/* ==========================================
   Landing Premium Visual Enhancements
   Loaded AFTER styles.css — overrides only
   ========================================== */

/* --- New accent variables --- */
:root {
    --accent-amber: #f59e0b;
    --accent-teal: #34d399;
    --glow-amber: rgba(245, 158, 11, 0.35);
    --glow-teal: rgba(52, 211, 153, 0.35);
    --accent-green: #10b981;
}

/* --- Multi-color gradient mesh behind everything --- */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 80% 60% at 20% 10%, rgba(14, 165, 233, 0.06), transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 30%, rgba(52, 211, 153, 0.05), transparent 55%),
        radial-gradient(ellipse 70% 50% at 60% 85%, rgba(245, 158, 11, 0.04), transparent 55%);
}

/* --- Nav: multi-color bottom border --- */
.nav::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--sky-500), var(--accent-teal), var(--accent-amber));
    opacity: 0.4;
}

.nav-logo {
    filter: drop-shadow(0 0 8px rgba(52, 211, 153, 0.25));
}

/* --- Hero badge: animated gradient border --- */
.hero-badge {
    position: relative;
    border: none !important;
    background-clip: padding-box;
}

.hero-badge::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1.5px;
    background: linear-gradient(135deg, var(--sky-500), var(--accent-teal), var(--accent-amber), var(--sky-500));
    background-size: 300% 300%;
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: premiumBorderRotate 4s linear infinite;
    pointer-events: none;
}

@keyframes premiumBorderRotate {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* --- Hero title: richer gradient + wider shimmer --- */
.hero-title .gradient-text,
.hero-title .glow-text {
    background: linear-gradient(135deg, var(--sky-400) 0%, var(--blue-500) 40%, var(--accent-teal) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- Hero description: more breathing room --- */
.hero-description {
    line-height: 1.75;
}

/* --- Hero stats: multi-color top border, individual stat colors --- */
.hero-stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--sky-500), var(--accent-teal), var(--accent-amber), transparent);
    opacity: 0.5;
}

.hero-stats {
    position: relative;
}

.stat:first-child .stat-value {
    background: linear-gradient(135deg, var(--sky-400), var(--accent-teal));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-compare .stat-value {
    background: linear-gradient(135deg, var(--accent-amber), #fbbf24);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- Hero visual: ambient glow behind phone --- */
.hero-visual {
    position: relative;
}

.hero-visual::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120%;
    height: 120%;
    transform: translate(-50%, -50%);
    background:
        radial-gradient(ellipse 50% 40% at 40% 50%, rgba(52, 211, 153, 0.08), transparent 70%),
        radial-gradient(ellipse 50% 40% at 60% 50%, rgba(245, 158, 11, 0.06), transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* --- Phone shadow: sky→teal gradient --- */
.phone-shadow {
    background: radial-gradient(ellipse at center, rgba(14, 165, 233, 0.3), rgba(52, 211, 153, 0.15), transparent 70%) !important;
}

/* --- Trust section: unique hover accent per icon --- */
.trust-item[data-benefit="security"]:hover .trust-icon {
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.4);
}

.trust-item[data-benefit="utopia"]:hover .trust-icon {
    box-shadow: 0 0 20px var(--glow-teal);
}

.trust-item[data-benefit="market"]:hover .trust-icon {
    box-shadow: 0 0 20px var(--glow-amber);
}

/* --- Section titles: tighter tracking --- */
.section-title {
    letter-spacing: -0.02em;
}

/* --- Features section --- */
.features .section-decoration {
    background: linear-gradient(90deg, var(--sky-500), var(--accent-teal), var(--accent-amber)) !important;
}

/* Feature card unique top-border colors */
.feature-card:nth-child(1) { border-top: 2px solid var(--sky-500); }          /* Trading — sky blue */
.feature-card:nth-child(2) { border-top: 2px solid #f97316; }                 /* Management — orange */
.feature-card:nth-child(3) { border-top: 2px solid var(--accent-green); }      /* Auth — emerald */
.feature-card:nth-child(4) { border-top: 2px solid var(--accent-amber); }      /* Market — amber */
.feature-card:nth-child(5) { border-top: 2px solid #f43f5e; }                 /* Matching — rose */
.feature-card:nth-child(6) { border-top: 2px solid #14b8a6; }                 /* Service — teal */

/* Feature card unique icon gradients */
.feature-card:nth-child(1) .feature-icon {
    background: linear-gradient(135deg, var(--sky-500), var(--blue-600)) !important;
}
.feature-card:nth-child(2) .feature-icon {
    background: linear-gradient(135deg, #f97316, #ea580c) !important;
}
.feature-card:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, var(--accent-green), #059669) !important;
}
.feature-card:nth-child(4) .feature-icon {
    background: linear-gradient(135deg, var(--accent-amber), #d97706) !important;
}
.feature-card:nth-child(5) .feature-icon {
    background: linear-gradient(135deg, #f43f5e, #e11d48) !important;
}
.feature-card:nth-child(6) .feature-icon {
    background: linear-gradient(135deg, #14b8a6, #0d9488) !important;
}

/* Feature title tracking */
.feature-title {
    letter-spacing: -0.025em;
}

/* Feature hover: teal bloom in shadow */
.feature-card:hover {
    box-shadow:
        0 20px 40px -12px rgba(0, 0, 0, 0.3),
        0 0 30px rgba(52, 211, 153, 0.08) !important;
}

/* --- How It Works: unique step number gradients, teal bg wash --- */
.how-it-works {
    position: relative;
}

.how-it-works::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(52, 211, 153, 0.03), transparent 70%);
    pointer-events: none;
}

.how-it-works .section-decoration {
    background: linear-gradient(90deg, var(--sky-500), var(--accent-teal), var(--accent-amber)) !important;
}

.step:nth-child(1) .step-number {
    background: linear-gradient(135deg, var(--sky-500), var(--blue-600)) !important;
}

/* Steps are step, step-arrow, step — so 3rd = step 2, 5th = step 3 */
.steps > .step:nth-of-type(2) .step-number {
    background: linear-gradient(135deg, var(--accent-green), #059669) !important;
}

.steps > .step:nth-of-type(3) .step-number {
    background: linear-gradient(135deg, var(--accent-amber), #d97706) !important;
}

/* --- Pricing section --- */
.pricing-section .section-decoration {
    background: linear-gradient(90deg, var(--sky-500), var(--accent-teal), var(--accent-amber)) !important;
}

/* Diamond card: gold premium identity */
.pricing-card:nth-child(3) {
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.pricing-card:nth-child(3) .pricing-title {
    background: linear-gradient(135deg, var(--accent-amber), #fbbf24);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.pricing-card:nth-child(3) .price-amount {
    background: linear-gradient(135deg, var(--accent-amber), #fbbf24) !important;
    -webkit-background-clip: text !important;
    background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
}

.pricing-card:nth-child(3) .pricing-badge {
    background: linear-gradient(135deg, var(--accent-amber), #d97706) !important;
}

.pricing-card:nth-child(3):hover {
    border-color: rgba(245, 158, 11, 0.5);
    box-shadow:
        0 20px 40px -12px rgba(0, 0, 0, 0.3),
        0 0 40px rgba(245, 158, 11, 0.1);
}

.pricing-card:nth-child(3) .feature-check {
    background: linear-gradient(135deg, var(--accent-amber), #fbbf24) !important;
    -webkit-background-clip: text !important;
    background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
}

/* --- CTA section (index.html) --- */
.cta-section {
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--sky-500), var(--accent-teal), var(--accent-amber), transparent);
    opacity: 0.4;
}

.cta-section::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80%;
    height: 60%;
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse at center, rgba(52, 211, 153, 0.04), transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* --- Footer --- */
.footer {
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--sky-500), var(--accent-teal), var(--accent-amber), transparent);
    opacity: 0.3;
}

.footer-text {
    background: linear-gradient(135deg, var(--text-secondary), var(--sky-400), var(--text-secondary));
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: premiumTextShimmer 6s ease-in-out infinite;
}

@keyframes premiumTextShimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* --- Scroll-triggered ambient washes --- */
.features.in-view {
    background: radial-gradient(ellipse 80% 50% at 50% 30%, rgba(14, 165, 233, 0.025), transparent 70%);
}

.pricing-section.in-view {
    background: radial-gradient(ellipse 80% 50% at 50% 40%, rgba(245, 158, 11, 0.02), transparent 70%);
}

/* --- Background card layer (injected by JS) --- */
.card-bg-layer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 5;
    pointer-events: none;
    overflow: hidden;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.card-bg-layer .bg-card {
    position: absolute;
    border-radius: 10px;
    -webkit-filter: blur(1.5px) saturate(0.7);
    filter: blur(1.5px) saturate(0.7);
    opacity: 0;
    will-change: transform, opacity;
    -webkit-transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1),
                        -webkit-transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1),
                transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.card-bg-layer .bg-card.visible {
    opacity: 0.07;
}

/* After entrance, cards get drift animation (desktop only — CSS custom props in keyframes) */
.card-bg-layer .bg-card.drifting {
    -webkit-animation: bgCardDrift var(--drift-duration, 40s) var(--drift-delay, 0s) ease-in-out infinite alternate;
    animation: bgCardDrift var(--drift-duration, 40s) var(--drift-delay, 0s) ease-in-out infinite alternate;
}

@-webkit-keyframes bgCardDrift {
    0%   { -webkit-transform: translateY(0) rotate(var(--drift-rotate-start, 0deg)); transform: translateY(0) rotate(var(--drift-rotate-start, 0deg)); }
    100% { -webkit-transform: translateY(var(--drift-y, -15px)) rotate(var(--drift-rotate-end, 3deg)); transform: translateY(var(--drift-y, -15px)) rotate(var(--drift-rotate-end, 3deg)); }
}

@keyframes bgCardDrift {
    0%   { -webkit-transform: translateY(0) rotate(var(--drift-rotate-start, 0deg)); transform: translateY(0) rotate(var(--drift-rotate-start, 0deg)); }
    100% { -webkit-transform: translateY(var(--drift-y, -15px)) rotate(var(--drift-rotate-end, 3deg)); transform: translateY(var(--drift-y, -15px)) rotate(var(--drift-rotate-end, 3deg)); }
}


/* ==========================================
   Light Theme Overrides
   ========================================== */
[data-theme="light"] body::before {
    background:
        radial-gradient(ellipse 80% 60% at 20% 10%, rgba(14, 165, 233, 0.03), transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 30%, rgba(52, 211, 153, 0.025), transparent 55%),
        radial-gradient(ellipse 70% 50% at 60% 85%, rgba(245, 158, 11, 0.02), transparent 55%);
}

[data-theme="light"] .card-bg-layer .bg-card {
    -webkit-filter: blur(1px) saturate(0.85);
    filter: blur(1px) saturate(0.85);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .card-bg-layer .bg-card.visible {
    opacity: 0.12;
}

[data-theme="light"] .feature-card:hover {
    box-shadow:
        0 20px 40px -12px rgba(0, 0, 0, 0.08),
        0 0 30px rgba(52, 211, 153, 0.05) !important;
}

[data-theme="light"] .pricing-card:nth-child(3) {
    border-color: rgba(245, 158, 11, 0.25);
}

[data-theme="light"] .pricing-card:nth-child(3):hover {
    box-shadow:
        0 20px 40px -12px rgba(0, 0, 0, 0.08),
        0 0 40px rgba(245, 158, 11, 0.08);
}

[data-theme="light"] .footer-text {
    background: linear-gradient(135deg, var(--text-secondary), var(--blue-500), var(--text-secondary));
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="light"] .phone-shadow {
    background: radial-gradient(ellipse at center, rgba(14, 165, 233, 0.15), rgba(52, 211, 153, 0.08), transparent 70%) !important;
}


/* ==========================================
   Mobile Responsive
   ========================================== */
@media (max-width: 768px) {
    body::before {
        background:
            radial-gradient(ellipse 80% 60% at 20% 10%, rgba(14, 165, 233, 0.04), transparent 60%),
            radial-gradient(ellipse 60% 50% at 80% 30%, rgba(52, 211, 153, 0.03), transparent 55%);
    }

    .card-bg-layer .bg-card {
        -webkit-filter: blur(0.75px) saturate(0.65);
        filter: blur(0.75px) saturate(0.65);
        border-radius: 6px;
        box-shadow: 0 1px 6px rgba(0, 0, 0, 0.1);
    }

    .card-bg-layer .bg-card.visible {
        opacity: 0.05;
    }

    .card-bg-layer .bg-card.drifting {
        -webkit-animation: none;
        animation: none;
    }

    .hero-visual::before {
        width: 100%;
        height: 100%;
    }

    .pricing-card:nth-child(3):hover {
        box-shadow:
            0 10px 20px -6px rgba(0, 0, 0, 0.2),
            0 0 20px rgba(245, 158, 11, 0.08);
    }
}

@media (max-width: 480px) {
    .card-bg-layer .bg-card {
        -webkit-filter: blur(0.5px) saturate(0.55);
        filter: blur(0.5px) saturate(0.55);
        border-radius: 5px;
        box-shadow: none;
    }

    .card-bg-layer .bg-card.visible {
        opacity: 0.045;
    }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
    .hero-badge::before {
        animation: none;
    }

    .footer-text {
        animation: none;
    }

    .card-bg-layer .bg-card {
        -webkit-transition: opacity 0.3s ease;
        transition: opacity 0.3s ease;
        -webkit-transform: none !important;
        transform: none !important;
    }

    .card-bg-layer .bg-card.drifting {
        -webkit-animation: none;
        animation: none;
    }

    @keyframes premiumTextShimmer {
        0%, 100% { background-position: 0% 50%; }
    }
}