/* ==========================================================================
   1. BASE STYLES & RESET
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
}

html {
    scroll-behavior: smooth;
    background-color: #0F172A;
    color: #F8FAFC;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    background-color: #0F172A;
}

/* Premium Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0F172A;
}
::-webkit-scrollbar-thumb {
    background: rgba(124, 58, 237, 0.3);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #7C3AED;
}

/* Ambient Background Lights */
.ambient-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(147, 83, 234, 0.12) 0%, rgba(0,0,0,0) 70%);
    z-index: -1;
    filter: blur(60px);
    pointer-events: none;
}
.glow-1 { top: -200px; left: 10%; }
.glow-2 { top: 600px; right: -100px; }
.glow-3 { top: 2000px; left: -200px; }
.glow-4 { bottom: -100px; right: 20%; }

/* Layout Grid Layouts & Sections */
.section-padding {
    padding: 140px 40px;
    max-width: 1280px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 70px auto;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 600;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    background: linear-gradient(180deg, #FFFFFF 0%, #CBD5E1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header p {
    color: #94A3B8;
    font-size: 18px;
    font-weight: 400;
}

/* Glassmorphism Global Panels */
.glass-panel {
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.05);
}

/* Premium Interactive Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 24px;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: #7C3AED;
    color: #FFFFFF;
    border: none;
    box-shadow: 0 4px 14px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
    background: #6D28D9;
    transform: translateY(-2px);
    box-shadow: 0 0 24px 2px rgba(124, 58, 237, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: #F8FAFC;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* ==========================================================================
   2. PREMIUM HEADER (NAVIGATION)
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 24px 40px;
    z-index: 1000;
    display: flex;
    justify-content: center;
}

.nav-container {
    width: 100%;
    max-width: 1200px;
    height: 64px;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #F8FAFC;
    font-weight: 600;
    font-size: 18px;
    letter-spacing: -0.02em;
}

.logo-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #7C3AED 0%, #A78BFA 100%);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon::after {
    content: '';
    width: 8px;
    height: 8px;
    background: #0F172A;
    border-radius: 50%;
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: #94A3B8;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.25s ease;
}

.nav-link:hover {
    color: #F8FAFC;
}

/* ==========================================================================
   3. HERO SECTION
   ========================================================================== */
.hero {
    position: relative;
    padding-top: 180px;
    padding-bottom: 120px;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.badge-container {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: #A78BFA;
    background: rgba(124, 58, 237, 0.1);
    border: 1px solid rgba(124, 58, 237, 0.2);
    margin-bottom: 24px;
}

.hero-left h1 {
    font-size: 56px;
    line-height: 1.15;
    font-weight: 600;
    letter-spacing: -0.04em;
    margin-bottom: 20px;
    background: linear-gradient(180deg, #FFFFFF 0%, #94A3B8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-left .subheadline {
    font-size: 20px;
    color: #94A3B8;
    margin-bottom: 36px;
    font-weight: 400;
    max-width: 540px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.trust-indicators {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #E2E8F0;
    font-weight: 500;
}

.trust-item span {
    color: #7C3AED;
}

.supporting-text {
    font-size: 13px;
    color: rgba(148, 163, 184, 0.7);
    max-width: 480px;
}

/* Premium Floating iPhone Mockup */
.hero-right {
    display: flex;
    justify-content: center;
    position: relative;
}

.iphone-mockup {
    width: 320px;
    height: 650px;
    border-radius: 48px;
    border: 12px solid #1E293B;
    background: #111827;
    position: relative;
    padding: 24px 16px;
    box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7), 0 0 50px rgba(124, 58, 237, 0.15);
    animation: float 6s ease-in-out infinite;
}

.iphone-dynamic-island {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 90px;
    height: 28px;
    background: #000000;
    border-radius: 14px;
    z-index: 10;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    margin-bottom: 24px;
}

.app-logo {
    font-weight: 600;
    font-size: 14px;
}

.coin-balance {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #F59E0B;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.app-upload-card {
    border-radius: 16px;
    padding: 28px 16px;
    text-align: center;
    border: 1px dashed rgba(255, 255, 255, 0.15);
    margin-bottom: 24px;
    background: rgba(255, 255, 255, 0.02);
}

.upload-icon {
    font-size: 24px;
    margin-bottom: 8px;
    color: #7C3AED;
}

.app-upload-card p {
    font-size: 12px;
    color: #94A3B8;
}

.app-tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.app-tool-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    padding: 14px;
    font-size: 11px;
    font-weight: 500;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.app-tool-item span:first-child {
    font-size: 16px;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* ==========================================================================
   4. FEATURES SECTION
   ========================================================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    border-radius: 24px;
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(124, 58, 237, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(124, 58, 237, 0.1);
}

.card-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 24px;
    color: #F8FAFC;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.feature-card p {
    color: #94A3B8;
    font-size: 14px;
    margin-bottom: 24px;
}

.card-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(245, 158, 11, 0.1);
    color: #F59E0B;
}

.feature-card.coming-soon {
    opacity: 0.75;
}

.feature-card.coming-soon .card-badge {
    background: rgba(255, 255, 255, 0.05);
    color: #94A3B8;
}

/* ==========================================================================
   5. HOW IT WORKS SECTION
   ========================================================================== */
.steps-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
}

.step-card {
    text-align: center;
    position: relative;
    padding: 20px;
}

.step-icon-wrapper {
    width: 64px;
    height: 64px;
    background: linear-gradient(180deg, rgba(124, 58, 237, 0.2) 0%, rgba(124, 58, 237, 0.02) 100%);
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 24px auto;
    color: #A78BFA;
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.1);
}

.step-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.step-card p {
    color: #94A3B8;
    font-size: 15px;
    max-width: 260px;
    margin: 0 auto;
}

/* ==========================================================================
   6. PRICING SECTION
   ========================================================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.pricing-card {
    border-radius: 24px;
    padding: 40px 28px;
    text-align: center;
    position: relative;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.pricing-card:hover {
    transform: scale(1.02);
}

.pricing-card h3 {
    font-size: 22px;
    font-weight: 500;
    color: #94A3B8;
    margin-bottom: 16px;
}

.price {
    font-size: 48px;
    font-weight: 600;
    letter-spacing: -0.03em;
    margin-bottom: 28px;
}

.price span {
    font-size: 16px;
    color: #94A3B8;
    font-weight: 400;
}

/* Best Value Highlighted Card Layout */
.pricing-card.best-value {
    border-color: #7C3AED;
    background: linear-gradient(180deg, rgba(124, 58, 237, 0.08) 0%, rgba(15, 23, 42, 0.65) 100%);
    box-shadow: 0 20px 40px rgba(124, 58, 237, 0.15);
}

.pricing-card.best-value h3 {
    color: #C084FC;
}

.best-value-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, #7C3AED 0%, #9333EA 100%);
    color: white;
    padding: 4px 14px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

/* ==========================================================================
   7. FAQ SECTION
   ========================================================================== */
.faq-container {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.faq-question {
    width: 100%;
    padding: 24px;
    background: transparent;
    border: none;
    color: #F8FAFC;
    text-align: left;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-icon {
    font-size: 18px;
    color: #94A3B8;
    transition: transform 0.3s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.01);
    transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-answer p {
    padding: 0 24px 24px 24px;
    color: #94A3B8;
    font-size: 15px;
    line-height: 1.6;
}

/* Fallback for Interactive Native Elements */
details.faq-item summary {
    list-style: none;
    outline: none;
}
details.faq-item summary::-webkit-details-marker {
    display: none;
}
details.faq-item[open] .faq-icon {
    transform: rotate(45deg);
    color: #7C3AED;
}
details.faq-item[open] .faq-answer {
    max-height: 300px;
}

/* ==========================================================================
   8. CTA SECTION
   ========================================================================== */
.cta-section {
    padding: 100px 40px;
}

.cta-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    border-radius: 32px;
    padding: 80px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(124, 58, 237, 0.25);
    background: radial-gradient(circle at top, rgba(124, 58, 237, 0.15) 0%, rgba(15, 23, 42, 0.8) 80%);
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}

.cta-wrapper h2 {
    font-size: 42px;
    font-weight: 600;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.cta-wrapper p {
    color: #94A3B8;
    font-size: 18px;
    margin-bottom: 36px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================================================
   9. FOOTER
   ========================================================================== */
.site-footer {
    background: #111827;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 80px 40px 40px 40px;
}

.footer-container {
    max-width: 1240px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand .footer-desc {
    color: #94A3B8;
    font-size: 14px;
    margin-top: 16px;
    max-width: 240px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
    color: #E2E8F0;
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-column a {
    color: #94A3B8;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.footer-column a:hover {
    color: #F8FAFC;
}

.footer-contact p {
    color: #94A3B8;
    font-size: 14px;
    margin-bottom: 8px;
}

.footer-contact a {
    color: #7C3AED;
    text-decoration: none;
    font-weight: 500;
}

.footer-bottom {
    max-width: 1240px;
    margin: 0 auto;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.04);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(148, 163, 184, 0.6);
}

.legal-links {
    display: flex;
    gap: 24px;
}

.legal-links a {
    font-size: 13px;
    color: rgba(148, 163, 184, 0.6);
    text-decoration: none;
    transition: color 0.2s ease;
}

.legal-links a:hover {
    color: #F8FAFC;
}

/* ==========================================================================
   10. RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1100px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 50px;
    }
    .hero-left h1 {
        font-size: 44px;
    }
    .hero-left .subheadline {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-ctas, .trust-indicators {
        justify-content: center;
    }
    .supporting-text {
        margin: 0 auto;
    }
    .steps-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .site-header {
        padding: 16px;
    }
    .nav-menu {
        display: none;
    }
    .section-padding {
        padding: 80px 20px;
    }
    .section-header h2, .cta-wrapper h2 {
        font-size: 32px;
    }
    .pricing-grid, .features-grid {
        grid-template-columns: 1fr;
    }
    .footer-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}