/* Jacked Marketing Website - Premium Design System */

/* ===== CSS RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ===== DESIGN TOKENS ===== */
:root {
    /* Colors - Dark Mode Palette */
    --void: #0A0A0C;
    --ink: #121214;
    --graphite: #1C1C1E;
    --steel: #48484A;
    --slate: #8E8E93;
    --bone: #E5E5EA;
    --white: #FFFFFF;
    
    /* Accent Colors */
    --signal-yellow: #FFD60A;
    --signal-yellow-dim: rgba(255, 214, 10, 0.15);
    --ion-green: #30D158;
    --hyper-blue: #0A84FF;
    --infra-red: #FF453A;
    
    /* Gradients */
    --gradient-gold: linear-gradient(135deg, #FFD60A 0%, #FF9500 100%);
    --gradient-dark: linear-gradient(180deg, rgba(18, 18, 20, 0) 0%, rgba(18, 18, 20, 1) 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(255, 214, 10, 0.15) 0%, transparent 70%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Cascadia Code', monospace;
    
    /* Spacing Scale */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-pill: 100px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(255, 214, 10, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Z-index scale */
    --z-base: 1;
    --z-elevated: 10;
    --z-sticky: 100;
    --z-modal: 1000;
}

/* ===== BASE STYLES ===== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--void);
    color: var(--bone);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 8vw, 4.5rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 5vw, 3rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

p {
    color: var(--slate);
    font-size: 1.125rem;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ===== LAYOUT ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-4xl) 0;
}

/* ===== HEADER / NAV ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    padding: var(--space-md) 0;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: background var(--transition-base);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--signal-yellow);
    letter-spacing: -0.5px;
    transition: opacity var(--transition-fast);
}

.logo:hover {
    opacity: 0.8;
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
    list-style: none;
}

.nav-links a {
    color: var(--slate);
    font-weight: 500;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

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

.nav-cta {
    display: none;
}

@media (min-width: 768px) {
    .nav-cta {
        display: inline-flex;
    }
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--bone);
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: block;
    }
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--void);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(255, 214, 10, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--bone);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

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

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

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 100%;
    background: var(--gradient-glow);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--signal-yellow-dim);
    border: 1px solid rgba(255, 214, 10, 0.3);
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--signal-yellow);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.6s ease forwards;
}

.hero h1 {
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.6s ease 0.1s forwards;
    opacity: 0;
}

.hero h1 .highlight {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--slate);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    animation: fadeInUp 0.6s ease 0.2s forwards;
    opacity: 0;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 0.6s ease 0.3s forwards;
    opacity: 0;
}

/* Social Proof Chips */
.proof-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
    animation: fadeInUp 0.6s ease 0.4s forwards;
    opacity: 0;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--bone);
}

.chip-icon {
    font-size: 0.9rem;
}

/* Hero Screenshot */
.hero-visual {
    position: relative;
    margin-top: var(--space-3xl);
    animation: fadeInUp 0.8s ease 0.5s forwards;
    opacity: 0;
}

.hero-screenshot {
    max-width: 300px;
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg), 0 0 80px rgba(255, 214, 10, 0.1);
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
    background: var(--ink);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header h2 {
    margin-bottom: var(--space-md);
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    position: relative;
}

.step {
    text-align: center;
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.step:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 214, 10, 0.2);
    transform: translateY(-4px);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-gold);
    color: var(--void);
    font-size: 1.25rem;
    font-weight: 800;
    border-radius: 50%;
    margin-bottom: var(--space-md);
}

.step h3 {
    margin-bottom: var(--space-sm);
    color: var(--bone);
}

.step p {
    font-size: 0.9375rem;
    color: var(--slate);
}

/* ===== PRODUCT DEMO ===== */
.demo {
    position: relative;
    overflow: hidden;
}

.demo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

@media (max-width: 900px) {
    .demo-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
}

.demo-content h3 {
    font-size: 1.75rem;
    margin-bottom: var(--space-md);
    color: var(--bone);
}

.demo-content p {
    margin-bottom: var(--space-lg);
}

.demo-features {
    list-style: none;
}

.demo-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    color: var(--bone);
}

.demo-features li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    background: var(--ion-green);
    color: var(--void);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50%;
}

.demo-visual {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

.demo-screenshot {
    max-width: 220px;
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-slow);
}

.demo-screenshot:hover {
    transform: scale(1.02);
}

.demo-screenshot:nth-child(2) {
    transform: translateY(40px);
}

.demo-screenshot:nth-child(2):hover {
    transform: translateY(40px) scale(1.02);
}

/* ===== BENEFITS ===== */
.benefits {
    background: var(--ink);
}

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

.benefit-card {
    padding: var(--space-xl);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.benefit-card:hover {
    border-color: rgba(255, 214, 10, 0.3);
    background: linear-gradient(135deg, rgba(255, 214, 10, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
}

.benefit-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--signal-yellow-dim);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.benefit-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: var(--bone);
}

.benefit-card p {
    font-size: 0.9375rem;
}

/* ===== FEATURES ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    padding: var(--space-xl);
    background: var(--ink);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: rgba(255, 214, 10, 0.2);
    transform: translateY(-4px);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--signal-yellow-dim);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
    color: var(--bone);
}

.feature-card p {
    font-size: 0.9375rem;
}

/* ===== PRICING ===== */
.pricing {
    background: var(--ink);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    padding: var(--space-xl);
    background: var(--graphite);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-4px);
}

.pricing-card.featured {
    border-color: var(--signal-yellow);
    box-shadow: 0 0 40px rgba(255, 214, 10, 0.15);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--gradient-gold);
    color: var(--void);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-pill);
}

.pricing-card h3 {
    font-size: 1.25rem;
    color: var(--bone);
    margin-bottom: var(--space-md);
}

.pricing-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: var(--space-md);
}

.pricing-currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--bone);
}

.pricing-value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--bone);
    line-height: 1;
}

.pricing-period {
    font-size: 1rem;
    color: var(--slate);
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin: var(--space-lg) 0;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    color: var(--bone);
    font-size: 0.9375rem;
}

.pricing-features li::before {
    content: '✓';
    color: var(--ion-green);
    font-weight: 700;
}

.pricing-card .btn {
    width: 100%;
}

/* ===== FAQ ===== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: var(--space-lg) 0;
    background: none;
    border: none;
    color: var(--bone);
    font-family: inherit;
    font-size: 1.0625rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--signal-yellow);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--slate);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: var(--space-lg);
}

.faq-answer p {
    font-size: 1rem;
    line-height: 1.7;
}

/* ===== TRUST ===== */
.trust {
    background: var(--ink);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
}

.trust-block {
    text-align: center;
    padding: var(--space-xl);
}

.trust-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-md);
    background: var(--signal-yellow-dim);
    border-radius: 50%;
    font-size: 1.75rem;
}

.trust-block h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: var(--bone);
}

.trust-block p {
    font-size: 0.9375rem;
}

/* ===== CTA BANNER ===== */
.cta-banner {
    text-align: center;
    padding: var(--space-4xl) var(--space-lg);
    background: linear-gradient(180deg, var(--void) 0%, rgba(255, 214, 10, 0.05) 50%, var(--void) 100%);
}

.cta-banner h2 {
    margin-bottom: var(--space-md);
}

.cta-banner p {
    max-width: 500px;
    margin: 0 auto var(--space-xl);
}

/* ===== FOOTER ===== */
footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
    list-style: none;
}

.footer-links a {
    color: var(--slate);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

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

.footer-legal {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.copyright {
    color: var(--steel);
    font-size: 0.8125rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .hero {
        min-height: auto;
        padding: 120px 0 var(--space-3xl);
    }
    
    .hero-ctas {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-ctas .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .demo-visual {
        flex-direction: column;
        align-items: center;
    }
    
    .demo-screenshot:nth-child(2) {
        transform: none;
    }
    
    .demo-screenshot:nth-child(2):hover {
        transform: scale(1.02);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ===== UTILITIES ===== */
.text-gradient {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}