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

:root {
    /* BurnX Brand Colors */
    --burnx-red: #4FB876;
    --brand-green: #64D291;
    --brand-green-dark: #4FB876;
    --brand-green-light: #7DE0A3;
    --burnx-black: #000000;
    --burnx-dark: #1C1C1E;
    --burnx-gray: #8E8E93;
    --burnx-light-gray: #F2F2F7;
    --burnx-white: #FFFFFF;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #4FB876 0%, #64D291 100%);
    --gradient-green: linear-gradient(135deg, #4FB876 0%, #64D291 100%);
    --gradient-dark: linear-gradient(180deg, #000000 0%, #1C1C1E 100%);
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', sans-serif;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 96px;
    
    /* Animations */
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
}

body {
    font-family: var(--font-primary);
    color: var(--burnx-black);
    background: var(--burnx-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    transition: all 0.3s var(--ease-out-expo);
}

nav.scrolled {
    padding: 12px 0;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-nav {
    font-size: 24px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: transform 0.3s var(--ease-out-expo);
    text-decoration: none;
}

.logo-nav:hover {
    transform: scale(1.05);
}

.logo-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 16px;
    padding-left: 16px;
    border-left: 1px solid rgba(0, 0, 0, 0.1);
}

.lang-link {
    padding: 6px 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--burnx-gray);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.lang-link:hover {
    color: var(--burnx-black);
    background: rgba(79, 184, 118, 0.1);
    border-color: rgba(79, 184, 118, 0.2);
}

.lang-link.active {
    color: var(--burnx-white);
    background: var(--gradient-primary);
    border-color: var(--brand-green);
}

.nav-link {
    color: var(--burnx-dark);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: opacity 0.3s ease;
    opacity: 0.8;
}

.nav-link:hover {
    opacity: 1;
}

.nav-cta {
    padding: 8px 20px;
    background: var(--burnx-black);
    color: var(--burnx-white);
    border-radius: 20px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s var(--ease-out-expo);
}

.nav-cta:hover {
    transform: scale(1.05);
    background: var(--burnx-red);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
}

.lang-link {
    color: var(--burnx-gray);
    text-decoration: none;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.lang-link:hover,
.lang-link.active {
    color: var(--brand-green);
    background: rgba(79, 184, 118, 0.1);
}

.divider {
    color: var(--burnx-gray);
    opacity: 0.5;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    padding: 120px 40px 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, var(--burnx-white) 0%, var(--burnx-light-gray) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(79, 184, 118, 0.05) 0%, transparent 70%);
    animation: pulse-subtle 4s ease-in-out infinite;
}

@keyframes pulse-subtle {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

.hero-content {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--burnx-black);
    color: var(--burnx-white);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    animation: fadeInDown 0.8s var(--ease-out-expo);
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: #00FF41;
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

.hero-title {
    font-size: clamp(48px, 8vw, 96px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.1s both;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: clamp(18px, 2.5vw, 24px);
    font-weight: 400;
    color: var(--burnx-gray);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s both;
    line-height: 1.5;
}

/* Email Form */
.waitlist-container {
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.3s both;
}

.waitlist-form {
    display: flex;
    gap: 12px;
    max-width: 480px;
    margin: 0 auto var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.email-input {
    flex: 1;
    min-width: 280px;
    padding: 18px 24px;
    font-size: 16px;
    font-weight: 400;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    background: var(--burnx-white);
    transition: all 0.3s var(--ease-out-expo);
    font-family: var(--font-primary);
}

.email-input::placeholder {
    color: var(--burnx-gray);
}

.email-input:focus {
    outline: none;
    border-color: var(--burnx-red);
    box-shadow: 0 0 0 4px rgba(79, 184, 118, 0.1);
}

.submit-btn {
    padding: 18px 36px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    background: var(--burnx-black);
    color: var(--burnx-white);
    cursor: pointer;
    transition: all 0.3s var(--ease-out-expo);
    font-family: var(--font-primary);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.submit-btn:hover {
    transform: scale(1.02);
    background: var(--burnx-red);
}

.submit-btn:hover::before {
    width: 300px;
    height: 300px;
}

.submit-btn:active {
    transform: scale(0.98);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.success-message {
    display: none;
    padding: 20px;
    background: rgba(52, 199, 89, 0.1);
    border: 1px solid rgba(52, 199, 89, 0.3);
    border-radius: 12px;
    color: #34C759;
    font-weight: 600;
    animation: slideInScale 0.5s var(--ease-out-expo);
    max-width: 480px;
    margin: 0 auto;
    align-items: center;
    gap: 8px;
}

.success-message.show {
    display: flex;
    justify-content: center;
}

.success-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

@keyframes slideInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.trust-indicators {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--burnx-gray);
    font-size: 14px;
}

.trust-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Phone Mockup Section */
.phone-showcase {
    padding: var(--spacing-xl) 40px;
    background: var(--burnx-black);
    position: relative;
    overflow: hidden;
}

.phone-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.phone-content {
    color: var(--burnx-white);
}

.section-label {
    color: var(--brand-green);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.section-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

/* Fix section descriptions to be visible on light backgrounds */
.pricing .section-description,
.features .section-description {
    color: var(--burnx-gray);
}

.feature-list {
    list-style: none;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeInLeft 0.6s var(--ease-out-expo) forwards;
}

.feature-item:nth-child(1) { animation-delay: 0.1s; }
.feature-item:nth-child(2) { animation-delay: 0.2s; }
.feature-item:nth-child(3) { animation-delay: 0.3s; }
.feature-item:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.feature-icon-wrapper {
    width: 40px;
    height: 40px;
    background: rgba(100, 210, 145, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon {
    color: var(--brand-green);
}

.feature-text h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.feature-text p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.4;
}

.phone-mockup {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-frame {
    width: 320px;
    height: 640px;
    background: #1C1C1E;
    border-radius: 40px;
    padding: 10px;
    box-shadow: 0 50px 100px rgba(0, 0, 0, 0.5);
    position: relative;
    transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
    animation: float-phone 6s ease-in-out infinite;
}

@keyframes float-phone {
    0%, 100% { transform: perspective(1000px) rotateY(-15deg) rotateX(5deg) translateY(0); }
    50% { transform: perspective(1000px) rotateY(-15deg) rotateX(5deg) translateY(-20px); }
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.phone-ui {
    color: white;
    text-align: center;
    padding: 20px;
}

.phone-ui h4 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 10px;
}

.phone-ui p {
    font-size: 14px;
    opacity: 0.9;
}

/* Features Grid */
.features {
    padding: var(--spacing-xl) 40px;
    background: var(--burnx-white);
}

.features-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: 40px;
    background: var(--burnx-light-gray);
    border-radius: 20px;
    transition: all 0.3s var(--ease-out-expo);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s var(--ease-out-expo);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-emoji {
    font-size: 48px;
    margin-bottom: 20px;
}

/* Professional Icon Containers */
.feature-icon-container {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(79, 184, 118, 0.1) 0%, rgba(100, 210, 145, 0.1) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s var(--ease-out-expo);
}

.feature-card:hover .feature-icon-container {
    background: linear-gradient(135deg, rgba(79, 184, 118, 0.2) 0%, rgba(100, 210, 145, 0.2) 100%);
    transform: scale(1.05);
}

.feature-icon-main {
    width: 24px;
    height: 24px;
}

.feature-icon {
    width: 20px;
    height: 20px;
}

/* Feature Header - Horizontal Layout */
.feature-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.feature-content {
    flex: 1;
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
    color: var(--burnx-black);
    line-height: 1.3;
}

.feature-description {
    font-size: 16px;
    color: var(--burnx-gray);
    line-height: 1.5;
}

/* Pricing Section */
.pricing {
    padding: var(--spacing-xl) 40px;
    background: linear-gradient(180deg, var(--burnx-light-gray) 0%, var(--burnx-white) 100%);
}

.pricing-container {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.price-card {
    background: var(--burnx-white);
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.price-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(100, 210, 145, 0.05) 0%, transparent 70%);
    animation: rotate-slow 30s linear infinite;
}

@keyframes rotate-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.price-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--brand-green);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.price-amount {
    font-size: 72px;
    font-weight: 800;
    color: var(--burnx-black);
    line-height: 1;
    margin-bottom: 8px;
    position: relative;
}

.price-currency {
    font-size: 36px;
    vertical-align: super;
}

.price-period {
    font-size: 18px;
    color: var(--burnx-gray);
    margin-bottom: 32px;
}

.price-features {
    list-style: none;
    margin-bottom: 32px;
}

.price-feature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 16px;
    color: var(--burnx-dark);
}

.check-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.cta-button {
    width: 100%;
    padding: 20px;
    font-size: 18px;
    font-weight: 600;
    border: none;
    border-radius: 14px;
    background: var(--gradient-primary);
    color: var(--burnx-white);
    cursor: pointer;
    transition: all 0.3s var(--ease-out-expo);
    position: relative;
    z-index: 1;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(79, 184, 118, 0.3);
}

/* Footer */
footer {
    padding: 60px 40px 40px;
    background: var(--burnx-black);
    color: var(--burnx-white);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-brand h3 {
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
    font-size: 14px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.5);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--brand-green);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--burnx-white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--brand-green);
    transform: translateY(-2px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* Privacy Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--burnx-white);
    margin: 40px auto;
    padding: 60px;
    border-radius: 24px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s var(--ease-out-expo);
    position: relative;
}

@keyframes slideUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close-modal {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--burnx-light-gray);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 20px;
    color: var(--burnx-gray);
}

.close-modal:hover {
    background: var(--burnx-black);
    color: var(--burnx-white);
    transform: rotate(90deg);
}

.privacy-content h1 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 12px;
}

.privacy-content h2 {
    font-size: 24px;
    font-weight: 700;
    margin-top: 32px;
    margin-bottom: 16px;
    color: var(--burnx-dark);
}

.privacy-content p {
    color: var(--burnx-gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.privacy-content strong {
    color: var(--burnx-dark);
    font-weight: 600;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}