:root {
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #E5E5E5;
    --color-gray-300: #D4D4D4;
    --color-gray-400: #A3A3A3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    --color-accent: #0066FF;

    --font-display: 'Unbounded', sans-serif;
    --font-body: 'IBM Plex Sans', sans-serif;

    --max-width: 1200px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 72px;
    --spacing-2xl: 120px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-900);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 1000;
    transition: var(--transition);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: var(--color-black);
}

/* Buttons */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 16px 32px;
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--color-black);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-gray-800);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-black);
    border: 1px solid var(--color-black);
}

.btn-secondary:hover {
    background: var(--color-black);
    color: var(--color-white);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(to right, var(--color-gray-200) 1px, transparent 1px),
        linear-gradient(to bottom, var(--color-gray-200) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.3;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: var(--spacing-2xl) 0;
    animation: fadeInUp 1s ease-out;
}

.hero-label {
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(48px, 8vw, 80px);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--color-black);
    margin-bottom: var(--spacing-lg);
}

.hero-title-line {
    display: block;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-title-line:nth-child(2) {
    animation-delay: 0.5s;
}

.hero-subtitle {
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 400;
    line-height: 1.4;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-description {
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease-out 0.7s both;
}

.hero-content .btn-primary {
    animation: fadeInUp 1s ease-out 0.8s both;
}

/* Section Title */
.section-title {
    font-family: var(--font-display);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-black);
    margin-bottom: var(--spacing-xl);
}

/* Audience Section */
.audience {
    padding: var(--spacing-2xl) 0;
    background: var(--color-gray-100);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.audience-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-gray-200);
    transition: var(--transition);
}

.audience-card:hover {
    border-color: var(--color-black);
    transform: translateY(-4px);
}

.card-number {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.1em;
}

.card-title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.01em;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
}

.card-quote {
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-gray-600);
    font-style: italic;
    border-left: 3px solid var(--color-black);
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.card-work {
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-gray-700);
}

.card-work strong {
    color: var(--color-black);
}

.also-for {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-gray-200);
}

.also-for-title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
}

.also-for-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.also-for-list li {
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-700);
    padding-left: var(--spacing-md);
    position: relative;
}

.also-for-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 4px;
    height: 4px;
    background: var(--color-black);
}

.also-for-list strong {
    color: var(--color-black);
}

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

.feature-block {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-gray-200);
}

.feature-block:last-child {
    border-bottom: none;
}

.feature-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.feature-number {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    color: var(--color-gray-400);
    letter-spacing: 0.1em;
}

.feature-title {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--color-black);
}

.feature-intro {
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-md);
    max-width: 800px;
}

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

.feature-item {
    padding: var(--spacing-md);
    background: var(--color-gray-100);
    border-left: 2px solid var(--color-black);
    transition: var(--transition);
}

.feature-item:hover {
    background: var(--color-gray-200);
    border-left-color: var(--color-accent);
}

.feature-item-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: var(--spacing-xs);
}

.feature-item-desc {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-gray-600);
}

/* Recognition Section */
.recognition {
    padding: var(--spacing-2xl) 0;
    background: var(--color-gray-900);
    color: var(--color-white);
}

.recognition .section-title {
    color: var(--color-white);
}

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

.recognition-column {
    padding: var(--spacing-lg);
    border: 1px solid var(--color-gray-700);
    transition: var(--transition);
}

.recognition-column:hover {
    border-color: var(--color-white);
}

.recognition-heading {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

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

.recognition-list li {
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-gray-300);
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.recognition-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 6px;
    height: 6px;
    background: var(--color-white);
}

/* Transformation Section */
.transformation {
    padding: var(--spacing-2xl) 0;
    background: var(--color-gray-100);
}

.transformation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.transformation-column {
    padding: var(--spacing-lg);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
}

.transformation-heading {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
}

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

.transformation-list li {
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-gray-700);
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.transformation-list li::before {
    position: absolute;
    left: 0;
    font-weight: 600;
}

.stop .transformation-list li::before {
    content: '−';
    color: var(--color-gray-500);
}

.start .transformation-list li::before {
    content: '+';
    color: var(--color-black);
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-2xl) 0;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.step {
    padding: var(--spacing-lg);
    background: var(--color-gray-100);
    border-top: 3px solid var(--color-black);
    transition: var(--transition);
}

.step:hover {
    background: var(--color-gray-200);
    border-top-color: var(--color-accent);
}

.step-number {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 900;
    color: var(--color-gray-300);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.step-title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.step-desc {
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-gray-600);
}

/* Why Us Section */
.why-us {
    padding: var(--spacing-2xl) 0;
    background: var(--color-gray-100);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.why-card {
    padding: var(--spacing-lg);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    transition: var(--transition);
}

.why-card:hover {
    border-color: var(--color-black);
}

.why-title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.why-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-gray-600);
}

/* Author Section */
.author {
    padding: var(--spacing-2xl) 0;
}

.author-content {
    max-width: 800px;
}

.author-name {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
}

.author-credentials {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.author-credentials li {
    font-size: 18px;
    line-height: 1.8;
    color: var(--color-gray-700);
    padding-left: var(--spacing-md);
    position: relative;
}

.author-credentials li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 6px;
    height: 6px;
    background: var(--color-black);
}

.author-note {
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-gray-600);
    padding: var(--spacing-md);
    background: var(--color-gray-100);
    border-left: 3px solid var(--color-black);
}

/* Pricing Section */
.pricing {
    padding: var(--spacing-2xl) 0;
    background: var(--color-gray-100);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.pricing-card {
    position: relative;
    padding: var(--spacing-lg);
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    transition: var(--transition);
}

.pricing-card:hover {
    border-color: var(--color-black);
}

.pricing-card.featured {
    border-color: var(--color-black);
    background: var(--color-black);
    color: var(--color-white);
}

.pricing-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: 4px 12px;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-name {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: var(--spacing-xs);
}

.pricing-subtitle {
    font-size: 16px;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.pricing-card.featured .pricing-subtitle {
    color: var(--color-gray-300);
}

.pricing-includes {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.pricing-features li {
    font-size: 15px;
    line-height: 1.8;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    position: relative;
}

.pricing-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 4px;
    height: 4px;
    background: var(--color-black);
}

.pricing-card.featured .pricing-features li::before {
    background: var(--color-white);
}

.pricing-card.featured .pricing-features li {
    color: var(--color-gray-200);
}

.pricing-price {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
}

.pricing-card.featured .pricing-price {
    border-top-color: var(--color-gray-700);
    color: var(--color-white);
}

/* Early Access Section */
.early-access {
    padding: var(--spacing-2xl) 0;
    background: var(--color-black);
    color: var(--color-white);
}

.early-access .section-title {
    color: var(--color-white);
}

.early-access-intro {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-300);
}

.early-access-list {
    list-style: none;
    max-width: 600px;
}

.early-access-list li {
    font-size: 18px;
    line-height: 1.8;
    color: var(--color-white);
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.early-access-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 6px;
    height: 6px;
    background: var(--color-white);
}

/* Waitlist Section */
.waitlist {
    padding: var(--spacing-2xl) 0;
    background: var(--color-gray-100);
}

.waitlist-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.waitlist-title {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.waitlist-subtitle {
    font-size: 18px;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

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

.form-group {
    width: 100%;
}

.form-group input {
    width: 100%;
    padding: 18px 24px;
    font-family: var(--font-body);
    font-size: 16px;
    border: 2px solid var(--color-gray-300);
    background: var(--color-white);
    color: var(--color-black);
    transition: var(--transition);
}

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

.form-group input::placeholder {
    color: var(--color-gray-400);
}

/* FAQ Section */
.faq {
    padding: var(--spacing-2xl) 0;
}

.faq-list {
    max-width: 800px;
}

.faq-item {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.faq-item:first-child {
    padding-top: 0;
}

.faq-question {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.faq-answer {
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-gray-600);
}

/* Footer */
.footer {
    padding: var(--spacing-xl) 0;
    background: var(--color-black);
    color: var(--color-white);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    font-size: 16px;
    color: var(--color-gray-400);
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero-content {
        padding: var(--spacing-xl) 0;
    }

    .audience-grid,
    .feature-list,
    .recognition-grid,
    .transformation-grid,
    .steps,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

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

    .also-for-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .header-content {
        height: 64px;
    }

    .logo {
        font-size: 20px;
    }

    .btn-primary,
    .btn-secondary {
        padding: 14px 24px;
        font-size: 15px;
    }
    
    .hero-title {
        font-size: 32px;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .hero-label {
        font-size: 12px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-description {
        font-size: 15px;
    }
    
    .hero-content {
        padding: var(--spacing-lg) 0;
    }
    
    .section-title {
        font-size: 28px;
    }
}