:root {
    /* Palette: #8A2BE2 → #9249EA → #9D4EDD → #B084F8 → #E0AAFF */
    --color-p-1: #8A2BE2;
    --color-p-2: #9249EA; 
    --color-p-3: #9D4EDD;
    --color-p-4: #B084F8;
    --color-p-5: #E0AAFF; 
    --text-white: #FFFFFF; 
    --card-glass-bg: rgba(255, 255, 255, 0.08);
    --card-border-color: rgba(224, 170, 255, 0.12);
    --card-hover-border-color: rgba(224, 170, 255, 0.42);
    /* For Starfield */
    --color-bg-dark: #0c0116; 
    --star-color: rgba(255, 255, 255, 0.7); /* Star opacity */

    /* Star layer sizes for parallax */
    --star-layer1-size: 250px; /* Distant, slow, denser pattern */
    --star-layer2-size: 400px; /* Mid, medium */
    --star-layer3-size: 600px; /* Near, fast, sparser pattern */
}

html {
    height: 100%;
    overflow-x: hidden; 
}

body {
    font-family: 'Poppins', 'Inter', Arial, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100%; 
    color: var(--text-white);
    background-color: var(--color-bg-dark); 
    position: relative; 
    overflow-x: hidden;
}

/* Global link style */
a {
    text-decoration: none;
}

/* OPTIMIZED PARALLAX STARFIELD BACKGROUND - RE-ANIMATED */
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -10; 
    
    /* Using the background shorthand for multiple layers. Each comma-separated value applies to a layer. */
    /* Format: background: [image1] [pos1]/[size1] [repeat1], [image2] [pos2]/[size2] [repeat2], ... */
    background: 
        /* Layer 1 (distant, appears densest due to smaller size, moves slowest) */
        radial-gradient(1px 1px at 20% 30%, var(--star-color), transparent) 
        0 0 / var(--star-layer1-size) var(--star-layer1-size) repeat,
        
        /* Layer 2 (mid-distance) */
        radial-gradient(1.5px 1.5px at 50% 50%, var(--star-color), transparent)
        0 0 / var(--star-layer2-size) var(--star-layer2-size) repeat,
        
        /* Layer 3 (near, appears sparsest due to larger size, moves fastest) */
        radial-gradient(2px 2px at 70% 70%, var(--star-color), transparent)
        0 0 / var(--star-layer3-size) var(--star-layer3-size) repeat;
    
    animation: stars-parallax-optimized 150s linear infinite; /* Very slow overall animation */
    will-change: background-position; /* Hint for browser optimization */
}

@keyframes stars-parallax-optimized {
    from {
        background-position: 
            0 0, /* Layer 1 initial position */
            0 0, /* Layer 2 initial position */
            0 0; /* Layer 3 initial position */
    }
    to {
        /* Animate each layer's position by multiples of its size for seamless tiling */
        /* Distant stars move less (smaller multiple), closer stars move more (larger multiple) */
        background-position: 
            calc(var(--star-layer1-size) * -4) calc(var(--star-layer1-size) * 2),  /* Layer 1 (distant, slowest) */
            calc(var(--star-layer2-size) * -6) calc(var(--star-layer2-size) * 3),  /* Layer 2 (mid, medium) */
            calc(var(--star-layer3-size) * -8) calc(var(--star-layer3-size) * 4);   /* Layer 3 (near, fastest) */
    }
}
/* End of Parallax Starfield */


.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; position: relative; z-index: 2; } 

::selection { background: var(--color-p-5); color: var(--color-p-1); }
::-webkit-scrollbar { width: 9px; background: var(--color-p-4); border-radius: 5px; }
::-webkit-scrollbar-thumb { background: linear-gradient(120deg, var(--color-p-1) 0, var(--color-p-5) 100%); border-radius: 5px; }

/* ===== NAVIGATION ===== */
.trackly-nav {
    /* backdrop-filter: blur(10px); -- Kept commented out for performance */ 
    background: rgba(46, 16, 79, 0.85); 
    box-shadow: 0 2px 16px rgba(138,43,226,.15);
    position: sticky; top: 0; left: 0; right: 0; z-index: 1000;
}
.trackly-nav .container {
    display: flex; align-items: center; justify-content: space-between; height: 70px;
}
.nav-brand {
    display: flex; align-items: center; font-weight: 700; font-size: 1.6rem; color: var(--text-white); letter-spacing: -1px;
}
.nav-logo-icon {
    color: var(--color-p-5); font-size: 2rem; margin-right: .65rem;
    filter: drop-shadow(0 0 12px rgba(224,170,255,.6));
}
.nav-links {
    display: flex; gap: 1.5rem; align-items: center;
}
.nav-link {
    color: var(--text-white);
    font-weight: 500;
    padding: .5rem 1.2rem;
    border-radius: 8px;
    transition: background .18s,color .18s;
}
.nav-link:hover {
    background: rgba(224,170,255,.18);
    color: var(--color-p-5);
}
.nav-button {
    background: linear-gradient(90deg,var(--color-p-3) 0,var(--color-p-5) 100%);
    color: var(--text-white);
    font-weight: 700;
    border-radius: 999px;
    padding: .6rem 1.8rem;
    box-shadow: 0 4px 20px rgba(224,170,255,.22);
    border: 0;
    transition: background .15s,color .15s,box-shadow .19s,transform .13s;
    letter-spacing: .4px;
}
.nav-button:hover {
    background: linear-gradient(90deg,var(--color-p-5) 0,var(--color-p-1) 100%);
    color: var(--color-p-3);
    box-shadow: 0 8px 24px rgba(138,43,226,.3);
    transform: scale(1.05);
}

/* MOBILE MENU TOGGLE STYLES */
.mobile-menu-toggle {
    display: none; 
    background: 0 0;
    border: 0;
    color: var(--text-white);
    font-size: 1.8rem; 
    cursor: pointer;
    padding: .5rem;
    z-index: 1001; 
    line-height: 1;
}
.mobile-menu-toggle .icon-burger,body.menu-active .mobile-menu-toggle .icon-close {
    display: inline;
}
.mobile-menu-toggle .icon-close,body.menu-active .mobile-menu-toggle .icon-burger {
    display: none;
}

@media (max-width:900px) {
    .trackly-nav .container {
        flex-direction: row;
    }
    .nav-links {
        display: none;
    }
    .mobile-menu-toggle {
        display: block;
    }
}
.mobile-menu {
    display: none; 
    background: var(--color-p-1);
    padding: 1rem 0; 
    position: absolute; 
    top: 70px; 
    left: 0;
    width: 100%;
    z-index: 999; 
    box-shadow: 0 10px 20px rgba(0,0,0,.2);
    max-height: calc(100vh - 70px); 
    overflow-y: auto; 
}
body.menu-active .mobile-menu {
    display: block; 
}
.mobile-button,.mobile-link {
    display: block;
    color: var(--text-white);
    padding: 1rem 2rem;
    font-size: 1.1rem; 
    border-radius: 8px; 
    margin: .5rem 1rem; 
    transition: background .16s,color .18s;
    font-weight: 500; 
    text-align: center;
}
.mobile-link:hover {
    background: rgba(224,170,255,.13);
}
.mobile-button {
    background: linear-gradient(90deg,var(--color-p-5) 0,var(--color-p-2) 100%);
    color: var(--color-p-1);
    font-weight: 700;
}
.mobile-button:hover {
    background: linear-gradient(90deg,var(--color-p-2) 0,var(--color-p-5) 100%);
    color: var(--color-p-3);
}

/* ===== HERO SECTION ===== */
.trackly-hero {
    display: flex; align-items: center; min-height: 78vh;
    background: linear-gradient(-45deg,var(--color-p-1),var(--color-p-2),var(--color-p-3),var(--color-p-4),var(--color-p-5),var(--color-p-2));
    background-size: 400% 400%;
    animation: heroGradientShift 25s ease-in-out infinite; 
    box-shadow: 0 6px 44px rgba(224,170,255,.11);
    padding-top: 2.8rem; padding-bottom: 2.2rem;
    position: relative; 
    z-index: 2; 
    overflow: hidden; 
}
@keyframes heroGradientShift {
    0%,to { background-position: 0 50%; }
    50% { background-position: 100% 50%; }
}
.trackly-hero .container {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
}
.hero-content {
    flex: 1;
    min-width: 340px;
    padding: 2rem 0;
    text-align: left; 
    position: relative; 
    z-index: 3; 
}

/* HERO TITLE - OPTIMIZED: Static text-shadow */
.hero-title {
    font-size: 2.95rem; 
    font-weight: 700;
    margin-bottom: 1.17rem; 
    letter-spacing: -1.4px;
    color: var(--text-white); 
    text-shadow: 0 0 18px var(--color-p-5), 0 2px 10px var(--color-p-2); 
    /* Animation for text-shadow removed */
}

.hero-subtitle {
    font-size: 1.18rem; 
    opacity: .95;
    margin-bottom: 2.1rem; max-width: 510px; font-weight: 500;
    color: var(--text-white);
}
.hero-cta {
    display: flex;
    gap: 1.3rem;
    margin-bottom: 1.6rem;
    flex-wrap: wrap;
    justify-content: flex-start; 
}
.cta-primary { /* "Begin Your AI Journey" */
    background: linear-gradient(90deg,var(--color-p-1) 0,var(--color-p-4) 100%);
    color: var(--text-white); 
    font-weight: 700;
    padding: .85rem 2.4rem;
    border-radius: 999px;
    font-size: 1.1rem;
    box-shadow: 0 4px 18px rgba(176,132,248,.27);
    border: 0;
    transition: background .14s,color .14s,transform .13s,box-shadow .13s;
    letter-spacing: .3px;
}
.cta-primary:hover {
    background: linear-gradient(90deg,var(--color-p-4) 0,var(--color-p-1) 100%);
    color: var(--text-white); 
    box-shadow: 0 8px 26px rgba(157,78,221,.27);
    transform: scale(1.05);
}
.cta-secondary { /* "How AI Works" */
    color: var(--text-white);  
    background: 0 0;
    padding: .85rem 2.2rem;
    border-radius: 999px;
    font-weight: 700;
    border: 2px solid var(--color-p-5);
    display: flex; align-items: center; gap: .7rem;
    transition: background .15s,color .18s,border-color .16s;
    box-shadow: 0 2px 8px rgba(224,170,255,.19);
}
.cta-secondary:hover {
    background: rgba(224,170,255,.15);
    color: var(--text-white); 
    border-color: var(--text-white);
}
.hero-image {
    flex: 1; min-width: 340px; position: relative; display: flex; align-items: center; justify-content: center;
}
.hero-image img {
    width: 98%;
    max-width: 420px;
    border-radius: 26px;
    box-shadow: 0 6px 42px rgba(176,132,248,.32),0 1.5px 7px rgba(224,170,255,.15);
    position: relative;
    z-index: 3;
    animation: 4.5s ease-in-out infinite alternate floatImg;
}
.hero-glow { 
    position: absolute; width: 370px; height: 370px; left: 60px; top: 30px;
    background: radial-gradient(circle,rgba(224,170,255,.5)0,transparent 85%);
    z-index: 1; 
    filter: blur(20px); 
    animation: 7s ease-in-out infinite alternate glowMove;
}
@media (max-width:1000px) {
    .hero-content {
        text-align: center; 
    }
    .hero-cta {
        justify-content: center; 
    }
    .trackly-hero .container {
        flex-direction: column-reverse;
    }
    .hero-content,.hero-image {
        width: 100%; min-width: 0;
    }
    .hero-subtitle {
        margin-left: auto; margin-right: auto;
    }
    .hero-image img {
        max-width: 80vw;
    }
    .hero-glow {
        left: 50%; top: 50%; transform: translate(-50%,-50%) scale(1);
    }
}
@media (max-width:768px) {
    .hero-title {
        font-size: 2.2rem; 
    }
    .hero-subtitle {
        font-size: 1rem;
    }
}
@keyframes floatImg {
    0% {transform:scale(1) translateY(0)} 
    to {transform:scale(1.025) translateY(-14px)}
}
@keyframes glowMove {
    0% {transform:scale(1) translateY(0)} 
    to {transform:scale(1.08) translateY(-20px)}
}

/* ===== SECTION TITLES ===== */
.section-title {
    font-size: 2.2rem; 
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: .4rem; letter-spacing: -1px;
    text-align: center;
}
.section-subtitle {
    color: var(--color-p-5);
    opacity: .93;
    font-size: 1.08rem;
    margin-bottom: 2.2rem;
    font-weight: 500;
    text-align: center;
}
.trackly-how-it-works {
    padding-top: 4rem; padding-bottom: 4rem; position: relative; z-index: 2; 
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr); 
    gap: 2rem;
    margin-top: 2.2rem;
}
@media (max-width:900px) {
    .steps-grid {
        grid-template-columns: 1fr; 
        gap: 1.3rem;
    }
    .step-card {
        margin-left: auto; 
        margin-right: auto;
        max-width: 380px; 
    }
}
.card,.feature-card,.pricing-card,.step-card {
    background: var(--card-glass-bg);
    /* backdrop-filter: blur(13px); -- Kept commented out for performance */
    border-radius: 1.25rem;
    box-shadow: 0 2px 18px rgba(138,43,226,.12),0 1px 6px rgba(176,132,248,.13);
    color: var(--text-white);
    border: 1.7px solid var(--card-border-color);
    transition: box-shadow .19s,border-color .17s,transform .13s;
    overflow: hidden;
    position: relative; 
    z-index: 1;
}
.card:hover,.feature-card:hover,.pricing-card:hover,.step-card:hover {
    box-shadow: 0 6px 34px rgba(224,170,255,.22);
    border-color: var(--card-hover-border-color);
    transform: scale(1.024) rotate(-1deg);
}
.step-card {
    min-width: 265px; 
    padding: 2.05rem 1.2rem 1.55rem;
    display: flex; flex-direction: column; align-items: center; position: relative;
    box-sizing: border-box; 
    text-align: center;
}
.feature-card h3,.step-card h3,.step-number {
    color: var(--text-white);
    font-weight: 700;
}
.step-number {
    position: absolute; top: 1.1rem; left: 1.2rem; font-size: 1.38rem; opacity: .6; z-index: 2;
}
.step-main-icon {
    color: var(--color-p-5);
    font-size: 2.6rem;
    margin-bottom: 1.1rem; margin-top: .4rem;
    filter: drop-shadow(0 0 9px rgba(224,170,255,.82));
    transition: color .18s,filter .16s;
}
.step-card:hover .step-main-icon {
    color: var(--text-white);
    filter: drop-shadow(0 0 18px rgba(255,255,255,.63));
}
.step-card h3 {
    font-size: 1.15rem; margin-bottom: .67rem; margin-top: .4rem;
}
.feature-card p,.step-card p {
    color: var(--color-p-5);
    margin: 0;
    font-weight: 500;
}
.step-card p {
    font-size: 1rem; opacity: .9;
    text-align: center;
}
.trackly-features,.trackly-final-cta,.trackly-pricing {
    position: relative; z-index: 2; 
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(270px,1fr));
    gap: 2.2rem;
    margin-top: 2.2rem;
}
.feature-card {
    background: linear-gradient(130deg,rgba(176,132,248,.13) 70%,rgba(224,170,255,.11) 100%);
    padding: 2rem 1.3rem 1.6rem;
    display: flex; flex-direction: column; align-items: center; position: relative;
    box-sizing: border-box; 
    text-align: center;
}
.feature-icon {
    color: var(--text-white);
    background: linear-gradient(120deg,var(--color-p-2),var(--color-p-4));
    border-radius: 50%;
    font-size: 2.3rem;
    width: 62px; height: 62px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1.1rem; margin-top: .4rem;
    box-shadow: 0 3px 13px rgba(146,73,234,.27);
    transition: background .13s,box-shadow .15s;
    border: 1.7px solid var(--color-p-5);
}
.feature-card:hover .feature-icon {
    background: linear-gradient(120deg,var(--color-p-5),var(--color-p-4));
    box-shadow: 0 8px 28px rgba(176,132,248,.41);
}
.feature-card h3 {
    font-size: 1.1rem; margin-bottom: .5rem;
}
.feature-card p {
    font-size: 1.01rem; opacity: .93;
}
.trackly-pricing {
    margin-top: 4rem; margin-bottom: 6rem; 
}
.pricing-toggle {
    display: flex; align-items: center; gap: 1.2rem; justify-content: center;
    margin: 1.8rem 0 2.3rem; font-size: 1.05rem;
}
.popular-badge,.price,.pricing-card h3,.pricing-toggle {
    color: var(--text-white);
    font-weight: 500;
}
.toggle-switch {
    position: relative; display: inline-block; width: 46px; height: 26px;
}
.toggle-switch input {display:none;}
.slider {
    position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--color-p-4);
    border-radius: 34px;
    transition: background .16s;
}
.slider:before {
    position: absolute; content: ""; height: 18px; width: 18px; left: 4px; bottom: 4px;
    background: #fff;
    border-radius: 50%;
    transition: transform .17s;
}
.toggle-switch input:checked+.slider {
    background: var(--color-p-5);
}
.toggle-switch input:checked+.slider:before {
    transform: translateX(20px);
}
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(320px,1fr));
    gap: 2.3rem;
    margin-top: 2.4rem;
}
.features-list li,.pricing-card {
    display: flex; align-items: center;
    color: var(--text-white);
}
.pricing-card {
    padding: 2.1rem 1.7rem 2rem;
    position: relative; overflow: hidden; flex-direction: column; border-radius: 1.15rem; 
    text-align: center;
}
.pricing-card.highlight {
    border: 2.3px solid var(--color-p-3);
    background: linear-gradient(120deg,rgba(138,43,226,.19)0,rgba(176,132,248,.22) 100%);
    box-shadow: 0 8px 39px rgba(224,170,255,.21);
}
.popular-badge {
    position: absolute; top: 22px; right: 22px;
    background: linear-gradient(90deg,var(--color-p-5) 40%,var(--color-p-1) 100%);
    font-size: .94rem; padding: .33rem 1.25rem; border-radius: 999px;
    box-shadow: 0 2px 12px rgba(224,170,255,.13); z-index: 2;
    font-weight: 600;
}
.price,.pricing-card h3 {
    font-weight: 600;
    font-size: 1.25rem; margin-bottom: .54rem;
}
.price {
    font-size: 2.12rem; font-weight: 700; margin-bottom: .5rem;
}
.price .currency {
    font-size: 1.17rem; opacity: .84;
}
.price .period {
    font-size: .96rem; color: var(--color-p-5); font-weight: 500; margin-left: .36rem; opacity: .9;
}
.features-list {
    list-style: none; padding: 0; margin: 1.17rem 0 1.32rem; width: 100%;
}
.features-list li {
    font-size: 1.02rem; margin-bottom: .7rem; gap: .7rem;
    text-align: left;
}
.features-list li i {
    color: var(--color-p-5);
    font-size: 1.11rem;
}
.pricing-button {
    background: linear-gradient(90deg,var(--color-p-3) 0,var(--color-p-5) 100%);
    color: var(--text-white); 
    font-weight: 700; border-radius: 999px; font-size: 1.11rem;
    padding: .78rem 2.18rem; margin-top: .93rem;
    border: 0;
    box-shadow: 0 4px 18px rgba(176,132,248,.29);
    transition: background .14s,color .13s,transform .13s,box-shadow .15s;
}
.pricing-button:hover {
    background: linear-gradient(90deg,var(--color-p-5) 0,var(--color-p-1) 100%);
    color: var(--text-white); 
    box-shadow: 0 8px 29px rgba(157,78,221,.29);
    transform: scale(1.06);
}
.pricing-footer {
    margin-top: 2.7rem;
    text-align: center;
}
.pricing-button:hover,.pricing-footer,.pricing-footer a:hover,.trackly-final-cta,.trackly-final-cta .cta-primary,.trackly-final-cta h2,.trackly-final-cta p,.trackly-footer {
    color: var(--text-white);
}
.pricing-footer a {
    color: var(--color-p-5);
    font-weight: 600;
    transition: color .17s;
}
.trackly-final-cta {
    background: linear-gradient(90deg,var(--color-p-1) 0,var(--color-p-3) 100%);
    border-radius: 2rem; 
    box-shadow: 0 6px 30px rgba(138,43,226,.18); /* OPTIMIZED: Static shadow */
    /* animation: 7s ease-in-out infinite alternate ctaFinalGlow; -- REMOVED */
    padding: 3.2rem 1.2rem; margin: 3.5rem auto 3.9rem;
    text-align: center; max-width: 950px;
}
/* @keyframes ctaFinalGlow removed */

.trackly-final-cta h2 {
    font-size: 2.07rem; font-weight: 700; margin-bottom: .81rem; letter-spacing: -.5px;
}
.trackly-final-cta p {
    opacity: .95; font-size: 1.13rem; margin-bottom: 2.1rem; font-weight: 500;
}
.trackly-final-cta .cta-primary { 
    background: linear-gradient(90deg,var(--color-p-5) 0,var(--color-p-3) 100%);
    color: var(--text-white); 
    font-weight: 700; letter-spacing: .23px;
}
.trackly-final-cta .cta-primary:hover {
    background: linear-gradient(90deg,var(--color-p-3) 0,var(--color-p-5) 100%);
    color: var(--text-white); 
}
.trackly-footer {
    background: linear-gradient(90deg,var(--color-p-1) 40%,var(--color-p-3) 100%);
    border-top-left-radius: 36px; border-top-right-radius: 36px;
    box-shadow: 0 -6px 33px rgba(157,78,221,.13);
    padding: 3rem 0 1.2rem;
    position: relative; z-index: 2; 
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(210px,1fr));
    gap: 2.2rem;
    margin-bottom: 2.4rem;
}
.footer-logo {
    font-size: 1.41rem; font-weight: 700; display: flex; align-items: center; gap: .7rem; margin-bottom: 1.18rem;
}
.footer-links h3,.footer-logo,.footer-logo i {
    color: var(--color-p-5);
}
.footer-brand p {
    opacity: .89;
    color: var(--text-white);
}
.footer-social {
    margin-top: 1.1rem; display: flex; gap: .85rem;
}
.footer-social a {
    color: var(--color-p-3);
    background: #fff;
    border-radius: 50%; width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.25rem;
    transition: background .14s,color .17s,transform .13s;
}
.footer-social a:hover {
    color: var(--color-p-1);
    transform: scale(1.13);
}
.footer-links h3 {
    font-size: 1.04rem; margin-bottom: 1rem; font-weight: 700;
}
.footer-links a {
    display: block; color: var(--text-white); margin-bottom: .44rem; font-size: 1rem; transition: color .14s; opacity: .91;
}
.footer-links a:hover {
    color: var(--color-p-5);
    opacity: 1;
}
.footer-bottom {
    display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
    border-top: 1.5px solid rgba(157,78,221,.44); padding-top: 1.3rem; margin-top: 2rem;
    color: var(--color-p-5);
    font-size: 1.01rem;
}
.footer-legal {
    display: flex; gap: 1.3rem;
}
.footer-legal a {
    color: var(--color-p-4); transition: color .13s; opacity: .85;
}
.footer-legal a:hover {
    color: var(--text-white);
    opacity: 1;
}

@media (max-width:700px) {
    .features-grid,.pricing-grid {
        grid-template-columns: 1fr;
    }
    .pricing-toggle {
        flex-direction: column; gap: .6rem;
    }
    .container {
        padding: 0 1rem; 
    }
    .hero-title {
        font-size: 1.8rem; 
    }
    .hero-content,.hero-image {
        padding: 1rem 0;
    }
    .trackly-final-cta {
        padding: 2rem .8rem; margin: 2rem auto;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-logo,.footer-social {
        justify-content: center;
    }
}