/* ============================================
   TRADEEDGE — STYLE SYSTEM
   Modern, Minimal, Premium Trading Brand
   ============================================ */

/* --- VARIABLES --- */
:root {
    --black: #000000;
    --dark: #0a0a0a;
    --dark-2: #111111;
    --dark-3: #1a1a1a;
    --dark-4: #222222;
    --gray-dark: #333333;
    --gray: #888888;
    --gray-light: #aaaaaa;
    --white: #ffffff;
    --off-white: #f5f5f5;
    
    --gold: #c9a84c;
    --gold-light: #d4b95f;
    --gold-dark: #a88a3a;
    --gold-glow: rgba(201, 168, 76, 0.15);
    --gold-glow-strong: rgba(201, 168, 76, 0.3);
    
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
    --shadow-gold: 0 4px 30px rgba(201, 168, 76, 0.2);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background: var(--dark);
    color: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

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

/* --- LAYOUT --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-sm {
    max-width: 800px;
}

.section {
    padding: 100px 0;
}

/* --- TYPOGRAPHY --- */
.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--gold);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-main);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--gray-light);
    max-width: 600px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.gold-text {
    color: var(--gold);
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-main);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--off-white);
    transform: translateY(-2px);
}

.btn-gold {
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: var(--black);
    font-weight: 700;
    box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    transform: translateY(-2px);
    box-shadow: 0 6px 40px rgba(201, 168, 76, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--gray-dark);
}

.btn-outline:hover {
    border-color: var(--gold);
    color: var(--gold);
    transform: translateY(-2px);
}

.btn-white {
    background: var(--white);
    color: var(--black);
    font-weight: 700;
}

.btn-white:hover {
    background: var(--off-white);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.05rem;
}

.btn-full {
    width: 100%;
}

.btn-nav {
    padding: 10px 24px;
    font-size: 0.85rem;
}

/* --- NAVBAR --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

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

.logo {
    display: flex;
    align-items: center;
}

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

.logo-icon {
    color: var(--gold);
    font-size: 1.1rem;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-light);
    transition: color 0.3s;
}

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s;
}

/* --- HERO --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 140px 0 80px;
    overflow: hidden;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(201, 168, 76, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201, 168, 76, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    pointer-events: none;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--gold-glow) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero > .container {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--gold-glow);
    border: 1px solid rgba(201, 168, 76, 0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 32px;
}

.hero-title {
    font-family: var(--font-main);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--gray-light);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--gray-dark);
}

/* --- PROOF BAR --- */
.proof-bar {
    padding: 20px 0;
    background: var(--dark-2);
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.proof-items {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.proof-item {
    font-size: 0.85rem;
    color: var(--gray-light);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.proof-icon {
    color: var(--gold);
    font-weight: 700;
}

/* --- ABOUT --- */
.about {
    background: var(--dark);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image-placeholder {
    aspect-ratio: 3/4;
    background: var(--dark-3);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--gray);
    font-weight: 600;
}

.about-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: var(--black);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-gold);
}

.about-badge-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
}

.about-badge-text {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-content p {
    color: var(--gray-light);
    margin-bottom: 16px;
    font-size: 1.05rem;
    line-height: 1.7;
}

.about-highlights {
    display: flex;
    gap: 24px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.highlight {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--dark-3);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,0.05);
}

.highlight-icon {
    font-size: 1.2rem;
}

/* --- RESULTS --- */
.results {
    background: var(--dark-2);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.result-card {
    background: var(--dark-3);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: all 0.3s;
}

.result-card:hover {
    border-color: var(--gold);
    transform: translateY(-4px);
    box-shadow: var(--shadow-gold);
}

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

.result-month {
    font-weight: 600;
    color: var(--gray-light);
}

.result-badge {
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 700;
}

.result-badge.positive {
    background: rgba(76, 201, 100, 0.15);
    color: #4cc964;
}

.result-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.result-row {
    display: flex;
    justify-content: space-between;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.95rem;
}

.result-row span:first-child {
    color: var(--gray);
}

.result-row span:last-child {
    font-weight: 600;
}

.results-proof {
    margin-top: 64px;
}

.results-proof-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(201, 168, 76, 0.2);
    box-shadow: var(--shadow-gold);
}

.results-proof-img img {
    width: 100%;
    height: auto;
    display: block;
}

.results-cta {
    text-align: center;
    margin-top: 48px;
}

/* --- SERVICES --- */
.services {
    background: var(--dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.service-card {
    background: var(--dark-2);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255,255,255,0.15);
}

.service-premium {
    background: linear-gradient(180deg, var(--dark-2) 0%, rgba(201, 168, 76, 0.05) 100%);
    border-color: var(--gold);
}

.service-premium:hover {
    border-color: var(--gold-light);
    box-shadow: var(--shadow-gold);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.service-tag {
    display: inline-block;
    padding: 4px 14px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 100px;
    background: var(--dark-3);
    color: var(--gray-light);
    margin-bottom: 16px;
}

.premium-tag {
    background: var(--gold-glow);
    color: var(--gold);
    border: 1px solid rgba(201, 168, 76, 0.3);
}

.service-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.service-price {
    margin-bottom: 20px;
}

.price-amount {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--gold);
}

.price-period {
    font-size: 0.85rem;
    color: var(--gray);
}

.service-desc {
    color: var(--gray-light);
    font-size: 0.95rem;
    margin-bottom: 24px;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.service-features li {
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--gray-light);
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

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

/* --- COMMUNITY --- */
.community {
    background: var(--dark-2);
}

.community-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.community-card {
    background: var(--dark-3);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    padding: 40px 32px;
    transition: all 0.3s;
}

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

.community-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.community-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.community-card p {
    color: var(--gray-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* --- TESTIMONIALS --- */
.testimonials {
    background: var(--dark);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--dark-2);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    padding: 40px 32px;
}

.testimonial-stars {
    color: var(--gold);
    font-size: 1.1rem;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.testimonial-text {
    color: var(--gray-light);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gold-glow);
    color: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    border: 1px solid rgba(201, 168, 76, 0.3);
}

.testimonial-author strong {
    display: block;
    font-size: 0.9rem;
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--gray);
}

/* --- FAQ --- */
.faq {
    background: var(--dark-2);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.faq-item {
    background: var(--dark-3);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color 0.3s;
}

.faq-item.active {
    border-color: var(--gold);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-main);
    cursor: pointer;
    text-align: left;
    transition: color 0.3s;
}

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

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--gold);
    transition: transform 0.3s;
    flex-shrink: 0;
    margin-left: 16px;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 28px 24px;
    color: var(--gray-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* --- CTA SECTION --- */
.cta-section {
    background: var(--dark);
}

.cta-box {
    text-align: center;
    padding: 80px 60px;
    background: linear-gradient(180deg, var(--dark-2) 0%, rgba(201, 168, 76, 0.08) 100%);
    border: 1px solid rgba(201, 168, 76, 0.2);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--gold-glow) 0%, transparent 70%);
    pointer-events: none;
}

.cta-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 16px;
    position: relative;
}

.cta-text {
    color: var(--gray-light);
    font-size: 1.1rem;
    margin-bottom: 40px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    margin-bottom: 16px;
}

.cta-small {
    font-size: 0.85rem;
    color: var(--gray);
    position: relative;
}

/* --- FOOTER --- */
.footer {
    padding: 64px 0 32px;
    background: var(--black);
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--gray);
    margin-top: 12px;
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-links h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
    color: var(--gray-light);
}

.footer-links a {
    display: block;
    font-size: 0.9rem;
    color: var(--gray);
    padding: 4px 0;
    transition: color 0.3s;
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.05);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--gray);
}

.footer-disclaimer {
    margin-top: 12px;
    font-size: 0.75rem !important;
    color: var(--gray-dark) !important;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .about-grid {
        gap: 48px;
    }
    
    .results-grid,
    .community-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 80px 0;
    }
    
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        height: 100dvh;
        background: var(--dark);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 32px;
        z-index: 9999;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        font-size: 1.3rem;
        color: var(--white);
    }
    
    .btn-nav {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
        z-index: 10000;
        position: relative;
    }
    
    .hero {
        padding: 120px 0 60px;
        min-height: auto;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .stat-divider {
        display: none;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .results-grid,
    .community-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .cta-box {
        padding: 48px 24px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    
    .about-highlights {
        flex-direction: column;
    }
}

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

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }