/* ==============================
   VARIABLES & RESET
   ============================== */
:root {
    --lime: #b8ff0d;
    --lime-dim: rgba(184, 255, 13, 0.12);
    --lime-mid: rgba(184, 255, 13, 0.35);
    --lime-glow: rgba(184, 255, 13, 0.6);
    --bg: #000000;
    --bg-1: #0a0a0a;
    --bg-2: #111111;
    --bg-3: #161616;
    --bg-card: #0f0f0f;
    --border: rgba(255, 255, 255, 0.06);
    --border-lime: rgba(184, 255, 13, 0.2);
    --text-w: #ffffff;
    --text-g1: #e2e2e2;
    --text-g2: #888888;
    --text-g3: #444444;
    --font-bn: 'Hind Siliguri', sans-serif;
    --font-en: 'Inter', sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    /* Lenis controls scrolling — browser smooth-scroll would fight it */
    scroll-behavior: auto;
}

body {
    background: var(--bg);
    color: var(--text-w);
    font-family: var(--font-bn);
    overflow-x: hidden;
    line-height: 1.6;
    /* Prevent whole-page repaints on scroll */
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeSpeed;
}

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

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--lime);
    border-radius: 2px;
}

/* ==============================
   NOISE OVERLAY
   ============================== */
.noise-overlay {
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    opacity: 0.5;
}

/* ==============================
   CURSOR GLOW
   ============================== */
.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(184, 255, 13, 0.06) 0%, transparent 60%);
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
    transition: transform 0.1s linear;
}

/* ==============================
   UTILS
   ============================== */
.lime {
    color: var(--lime);
}

.lime-glow {
    color: var(--lime);
    text-shadow: 0 0 40px rgba(184, 255, 13, 0.5);
}

.lime-bg {
    background: var(--lime);
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

.tag-wrap {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--lime-dim);
    border: 1px solid var(--border-lime);
    color: var(--lime);
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 20px;
}

.sec-title {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
    color: var(--text-w);
}

.sec-sub {
    font-size: 16px;
    color: var(--text-g2);
    max-width: 540px;
    margin: 0 auto;
    line-height: 1.85;
}

.sec-sub.left-align {
    margin: 0;
}

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

/* ==============================
   BUTTONS
   ============================== */
.cta-primary {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--lime);
    color: #000;
    font-family: var(--font-bn);
    font-size: 16px;
    font-weight: 700;
    padding: 15px 32px;
    border-radius: 50px;
    overflow: hidden;
    transition: all 0.35s ease;
    box-shadow: 0 0 30px rgba(184, 255, 13, 0.3);
}

.cta-primary .cta-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #d4ff47, #b8ff0d, #8fcc00);
    opacity: 0;
    transition: opacity 0.35s;
}

.cta-primary:hover .cta-bg {
    opacity: 1;
}

.cta-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 60px rgba(184, 255, 13, 0.5), 0 20px 40px rgba(0, 0, 0, 0.3);
}

.cta-primary:active {
    transform: translateY(-1px);
}

.cta-primary>* {
    position: relative;
    z-index: 1;
}

.cta-primary.small-cta {
    font-size: 14px;
    padding: 12px 24px;
}

.cta-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--text-g1);
    font-family: var(--font-bn);
    font-size: 15px;
    font-weight: 500;
    padding: 15px 28px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.cta-ghost:hover {
    border-color: var(--border-lime);
    color: var(--lime);
    background: var(--lime-dim);
    transform: translateY(-2px);
}

/* ==============================
   NAVBAR
   ============================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.4s ease;
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(24px);
    padding: 14px 0;
    box-shadow: 0 1px 0 rgba(184, 255, 13, 0.1), 0 8px 32px rgba(0, 0, 0, 0.5);
}

.nav-line {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--lime-mid), transparent);
    opacity: 0;
    transition: opacity 0.4s;
}

.navbar.scrolled .nav-line {
    opacity: 1;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-icon-wrap {
    position: relative;
}

.nav-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
}

.nav-icon-glow {
    position: absolute;
    inset: -4px;
    border-radius: 14px;
    background: var(--lime);
    opacity: 0;
    filter: blur(8px);
    transition: opacity 0.3s;
}

.nav-brand:hover .nav-icon-glow {
    opacity: 0.3;
}

.nav-title {
    font-family: var(--font-en);
    font-size: 18px;
    font-weight: 800;
    color: var(--text-w);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-links li a {
    color: var(--text-g2);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 8px;
    transition: all 0.25s;
    font-family: var(--font-bn);
}

.nav-links li a:hover {
    color: var(--text-w);
    background: rgba(255, 255, 255, 0.05);
}

.nav-cta {
    display: flex !important;
    align-items: center;
    gap: 6px;
    background: var(--lime) !important;
    color: #000 !important;
    font-weight: 700 !important;
    padding: 9px 20px !important;
    border-radius: 50px !important;
    box-shadow: 0 0 20px rgba(184, 255, 13, 0.25);
    transition: all 0.3s ease !important;
}

.nav-cta:hover {
    box-shadow: 0 0 40px rgba(184, 255, 13, 0.5) !important;
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.06) !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-w);
    border-radius: 1px;
    transition: all 0.3s;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
    background: var(--lime);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    background: var(--lime);
}

/* ==============================
   HERO
   ============================== */
.hero {
    min-height: 100vh;
    background: var(--bg);
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    position: relative;
    overflow: hidden;
}

.hero-canvas,
.dl-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    /* GPU composite layer */
    transform: translateZ(0);
    will-change: transform;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    z-index: 0;
    background-image:
        linear-gradient(rgba(184, 255, 13, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(184, 255, 13, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
    animation: gridSlide 20s linear infinite;
}

@keyframes gridSlide {
    to {
        background-position: 0 60px;
    }
}

.spotlight {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(184, 255, 13, 0.06) 0%, transparent 65%);
    border-radius: 50%;
    top: -150px;
    left: -150px;
    animation: spotMove 12s ease-in-out infinite;
}

@keyframes spotMove {

    0%,
    100% {
        transform: translate(0, 0);
    }

    33% {
        transform: translate(400px, 200px);
    }

    66% {
        transform: translate(200px, -100px);
    }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

/* Hero eyebrow */
.hero-eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 28px;
}

.eyebrow-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--lime);
    box-shadow: 0 0 10px var(--lime);
    animation: dotBlink 1.8s ease-in-out infinite;
}

@keyframes dotBlink {

    0%,
    100% {
        opacity: 1;
        box-shadow: 0 0 10px var(--lime);
    }

    50% {
        opacity: 0.4;
        box-shadow: 0 0 4px var(--lime);
    }
}

.hero-eyebrow span {
    font-family: var(--font-en);
    font-size: 12px;
    color: var(--text-g2);
    letter-spacing: 1px;
}

.eyebrow-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(184, 255, 13, 0.3), transparent);
    max-width: 80px;
}

.hero-heading {
    margin-bottom: 22px;
}

.hero-line-1 {
    display: block;
    font-size: clamp(52px, 7vw, 90px);
    font-family: var(--font-en);
    font-weight: 900;
    letter-spacing: -3px;
    line-height: 1;
    margin-bottom: 4px;
}

.hero-line-2 {
    display: block;
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 700;
    color: var(--text-g1);
    letter-spacing: -1px;
}

.lime-glow {
    color: var(--lime);
    text-shadow: 0 0 60px rgba(184, 255, 13, 0.6), 0 0 20px rgba(184, 255, 13, 0.4);
    margin-left: 12px;
}

.hero-desc {
    font-size: 17px;
    color: var(--text-g2);
    line-height: 1.9;
    max-width: 480px;
    margin-bottom: 36px;
}

.hero-desc mark {
    background: var(--lime-dim);
    color: var(--lime);
    padding: 0 5px;
    border-radius: 4px;
}

.hero-cta-row {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats-row {
    display: flex;
    align-items: center;
    gap: 28px;
}

.hstat {
    display: flex;
    flex-direction: column;
}

.hstat-num {
    font-family: var(--font-en);
    font-size: 20px;
    font-weight: 800;
    color: var(--lime);
    letter-spacing: -0.5px;
}

.hstat-lbl {
    font-size: 12px;
    color: var(--text-g3);
}

.hstat-sep {
    width: 1px;
    height: 32px;
    background: rgba(255, 255, 255, 0.08);
}

/* Phone scene */
.hero-right {
    display: flex;
    justify-content: center;
}

.phone-scene {
    position: relative;
    width: 320px;
    height: 560px;
}

.phone-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: ringPulse 3s ease-in-out infinite;
}

.r1 {
    width: 360px;
    height: 360px;
    border-color: rgba(184, 255, 13, 0.15);
    animation-delay: 0s;
}

.r2 {
    width: 440px;
    height: 440px;
    border-color: rgba(184, 255, 13, 0.08);
    animation-delay: 0.8s;
}

.r3 {
    width: 520px;
    height: 520px;
    border-color: rgba(184, 255, 13, 0.04);
    animation-delay: 1.6s;
}

@keyframes ringPulse {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(0.95);
        opacity: 0.5;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.05);
        opacity: 1;
    }
}

.phone-glow-lime {
    position: absolute;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(184, 255, 13, 0.18) 0%, transparent 65%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    filter: blur(30px);
    border-radius: 50%;
    animation: glowBreath 4s ease-in-out infinite;
}

@keyframes glowBreath {

    0%,
    100% {
        opacity: 0.7;
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.15);
    }
}

.phone-frame {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
}

.float-anim {
    animation: phoneFloat 5s ease-in-out infinite;
}

@keyframes phoneFloat {

    0%,
    100% {
        transform: translate(-50%, -50%) translateY(0);
    }

    50% {
        transform: translate(-50%, -50%) translateY(-20px);
    }
}

.phone-ss {
    width: 260px;
    border-radius: 30px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.06), 0 0 40px rgba(184, 255, 13, 0.1);
}

.phone-shine {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 30px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

/* Floating chips */
.chip {
    position: absolute;
    z-index: 4;
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(15, 15, 15, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    padding: 10px 14px;
    border-radius: 14px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.chip-a {
    top: 60px;
    right: -50px;
}

.chip-b {
    bottom: 80px;
    left: -65px;
}

.chip-c {
    top: 50%;
    right: -70px;
}

.chip-icon {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chip-t {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-w);
}

.chip-s {
    font-size: 10px;
    color: var(--text-g2);
}

.float-chip-a {
    animation: chipFloat1 4s ease-in-out infinite;
}

.float-chip-b {
    animation: chipFloat2 5s ease-in-out infinite 0.5s;
}

.float-chip-c {
    animation: chipFloat3 4.5s ease-in-out infinite 1s;
}

@keyframes chipFloat1 {

    0%,
    100% {
        transform: translateY(0)
    }

    50% {
        transform: translateY(-10px)
    }
}

@keyframes chipFloat2 {

    0%,
    100% {
        transform: translateY(0)
    }

    50% {
        transform: translateY(-8px)
    }
}

@keyframes chipFloat3 {

    0%,
    100% {
        transform: translateY(0)
    }

    50% {
        transform: translateY(-12px)
    }
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-g3);
    font-size: 11px;
    font-family: var(--font-en);
    letter-spacing: 1px;
    animation: fadeInY 1s 2s both;
}

@keyframes fadeInY {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.scroll-mouse {
    width: 22px;
    height: 36px;
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: 11px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.scroll-wheel {
    width: 3px;
    height: 6px;
    border-radius: 2px;
    background: var(--lime);
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {

    0%,
    100% {
        transform: translateY(0);
        opacity: 1;
    }

    80% {
        transform: translateY(12px);
        opacity: 0;
    }
}

/* ==============================
   MARQUEE STRIP
   ============================== */
.marquee-section {
    border-top: 1px solid var(--border-lime);
    border-bottom: 1px solid var(--border-lime);
    background: rgba(184, 255, 13, 0.04);
    overflow: hidden;
    padding: 14px 0;
    position: relative;
    z-index: 2;
}

.marquee-track {
    overflow: hidden;
}

.marquee-content {
    display: flex;
    gap: 0;
    animation: marqueeScroll 18s linear infinite;
    width: max-content;
}

.mq-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-g2);
    font-family: var(--font-en);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 0 32px;
    white-space: nowrap;
}

@keyframes marqueeScroll {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
    }
}

.marquee-section:hover .marquee-content {
    animation-play-state: paused;
}

/* ==============================
   FEATURES
   ============================== */
.features {
    padding: 100px 0;
    background: var(--bg-1);
    position: relative;
    z-index: 2;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: 16px;
}

.feat-big {
    grid-row: 1 / 3;
    grid-column: 1 / 2;
}

.feat-wide {
    grid-column: 2 / 4;
}

.feat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px 28px;
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s, transform 0.4s, box-shadow 0.4s;
    cursor: default;
}

.feat-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(184, 255, 13, 0.06) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

.feat-card:hover::after {
    opacity: 1;
}

.feat-card:hover {
    border-color: var(--border-lime);
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(184, 255, 13, 0.1);
}

.feat-number {
    position: absolute;
    top: 20px;
    right: 24px;
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 700;
    color: var(--text-g3);
    letter-spacing: 1px;
}

.feat-icon-box {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(184, 255, 13, 0.08);
    border: 1px solid var(--border-lime);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    transition: background 0.3s, box-shadow 0.3s;
}

.feat-card:hover .feat-icon-box {
    background: rgba(184, 255, 13, 0.15);
    box-shadow: 0 0 20px rgba(184, 255, 13, 0.15);
}

.feat-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-w);
    line-height: 1.35;
    margin-bottom: 12px;
}

.feat-card p {
    font-size: 14px;
    color: var(--text-g2);
    line-height: 1.75;
}

.feat-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--lime-dim);
    border: 1px solid var(--border-lime);
    margin-top: 24px;
    opacity: 0;
    transform: translateX(-8px);
    transition: all 0.3s ease;
}

.feat-card:hover .feat-arrow {
    opacity: 1;
    transform: translateX(0);
}

.feat-bg-glow {
    position: absolute;
    bottom: -60px;
    right: -60px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(184, 255, 13, 0.12), transparent 65%);
    border-radius: 50%;
    pointer-events: none;
}

.feat-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 18px;
}

.ftag {
    background: var(--lime-dim);
    border: 1px solid var(--border-lime);
    color: var(--lime);
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 50px;
    letter-spacing: 0.5px;
}

/* ==============================
   SUBJECTS
   ============================== */
.subjects {
    padding: 100px 0;
    background: var(--bg);
    position: relative;
    z-index: 2;
}

.subjects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--lime-mid), transparent);
}

.subjects-inner {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 70px;
    align-items: start;
}

.subjects-left {
    position: sticky;
    top: 100px;
}

.subjects-phone-wrap {
    position: relative;
    margin-top: 40px;
    display: flex;
    justify-content: center;
}

.sp-glow {
    position: absolute;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(184, 255, 13, 0.15), transparent 65%);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    filter: blur(30px);
}

.sp-img {
    width: 200px;
    border-radius: 24px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(184, 255, 13, 0.1);
    position: relative;
    z-index: 2;
}

/* override float anim for subjects */
.sp-img {
    animation: spFloat 5s ease-in-out infinite;
}

@keyframes spFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-16px);
    }
}

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

.sub-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    transition: all 0.3s ease;
    cursor: default;
}

.sub-row:hover {
    border-color: var(--border-lime);
    background: rgba(184, 255, 13, 0.04);
    transform: translateX(8px);
}

.sub-idx {
    font-family: var(--font-en);
    font-size: 12px;
    font-weight: 700;
    color: var(--lime);
    opacity: 0.5;
    min-width: 24px;
}

.sub-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(184, 255, 13, 0.08);
    border: 1px solid var(--border-lime);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.3s;
}

.sub-row:hover .sub-icon {
    background: rgba(184, 255, 13, 0.15);
}

.sub-text {
    flex: 1;
}

.sub-text h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-w);
    margin-bottom: 2px;
}

.sub-text p {
    font-size: 11px;
    color: var(--text-g3);
}

.sub-pill {
    font-family: var(--font-en);
    font-size: 10px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 50px;
    white-space: nowrap;
    letter-spacing: 0.5px;
}

.green-pill {
    background: rgba(16, 185, 129, 0.12);
    color: #34D399;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.blue-pill {
    background: rgba(59, 130, 246, 0.12);
    color: #60A5FA;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.purple-pill {
    background: rgba(139, 92, 246, 0.12);
    color: #A78BFA;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.pink-pill {
    background: rgba(236, 72, 153, 0.12);
    color: #F472B6;
    border: 1px solid rgba(236, 72, 153, 0.2);
}

.orange-pill {
    background: rgba(245, 158, 11, 0.12);
    color: #FCD34D;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.teal-pill {
    background: rgba(20, 184, 166, 0.12);
    color: #2DD4BF;
    border: 1px solid rgba(20, 184, 166, 0.2);
}

.red-pill {
    background: rgba(239, 68, 68, 0.12);
    color: #FCA5A5;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.indigo-pill {
    background: rgba(99, 102, 241, 0.12);
    color: #818CF8;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.cyan-pill {
    background: rgba(6, 182, 212, 0.12);
    color: #67E8F9;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.lime-pill {
    background: var(--lime-dim);
    color: var(--lime);
    border: 1px solid var(--border-lime);
}

/* ==============================
   SCREENSHOTS
   ============================== */
.screenshots {
    padding: 100px 0;
    background: var(--bg-1);
    position: relative;
    z-index: 2;
}

.screenshots::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
}

.carousel-wrap {
    position: relative;
}

.carousel-viewport {
    overflow: hidden;
    border-radius: 20px;
}

.carousel-track {
    display: flex;
    gap: 16px;
    padding: 16px 4px;
    /* Smooth transition using GPU-composited transform */
    transition: transform 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
}

.cs {
    flex: 0 0 232px;
    border-radius: 18px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border);
    transition: all 0.4s ease;
}

.cs:hover {
    transform: scale(1.04) translateY(-8px);
    border-color: var(--border-lime);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5), 0 0 20px rgba(184, 255, 13, 0.1);
    z-index: 3;
}

.cs img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
}

.cs-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    padding: 16px;
    opacity: 0;
    transition: opacity 0.3s;
}

.cs:hover .cs-overlay {
    opacity: 1;
}

.cs-overlay span {
    font-size: 13px;
    font-weight: 600;
    color: var(--lime);
    font-family: var(--font-bn);
}

.car-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.9);
    border: 1px solid var(--border);
    color: var(--text-g1);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.car-btn:hover {
    background: var(--lime);
    border-color: var(--lime);
    color: #000;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 0 20px rgba(184, 255, 13, 0.4);
}

.car-prev {
    left: 8px;
}

.car-next {
    right: 8px;
}

.car-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 28px;
}

.cdot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-g3);
    cursor: pointer;
    transition: all 0.3s;
}

.cdot.active {
    background: var(--lime);
    width: 22px;
    border-radius: 3px;
    box-shadow: 0 0 10px var(--lime);
}

/* ==============================
   HIGHLIGHT SECTION
   ============================== */
.highlight-section {
    padding: 80px 0;
    background: var(--bg);
    position: relative;
    z-index: 2;
}

.highlight-card {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 60px 50px;
    position: relative;
    overflow: hidden;
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(184, 255, 13, 0.07) 0%, transparent 65%);
    border-radius: 50%;
    pointer-events: none;
}

.highlight-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--lime), transparent);
}

.hl-img-wrap {
    position: relative;
}

.hl-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(184, 255, 13, 0.12), transparent 65%);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    filter: blur(30px);
}

.hl-img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 2;
}

.hl-content h2 {
    font-size: clamp(24px, 3vw, 38px);
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.25;
}

.hl-content p {
    font-size: 16px;
    color: var(--text-g2);
    line-height: 1.85;
    margin-bottom: 28px;
}

.hl-checks {
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hl-check-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-g1);
}

.hc-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--lime);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 0 12px rgba(184, 255, 13, 0.4);
}

/* ==============================
   DOWNLOAD
   ============================== */
.download {
    padding: 120px 24px;
    background: var(--bg-1);
    position: relative;
    overflow: hidden;
    text-align: center;
    z-index: 2;
}

.dl-canvas {
    opacity: 0.7;
}

.download-inner {
    max-width: 580px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.dl-icon-scene {
    width: 100px;
    height: 100px;
    position: relative;
    margin: 0 auto 40px;
}

.dl-app-icon {
    width: 100px;
    height: 100px;
    border-radius: 24px;
    box-shadow: 0 0 0 1px rgba(184, 255, 13, 0.2), 0 20px 60px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 2;
    margin: 0 auto;
}

.dl-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(184, 255, 13, 0.15);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: dlRingPulse 3s ease-in-out infinite;
}

.dl-r1 {
    width: 140px;
    height: 140px;
    animation-delay: 0s;
}

.dl-r2 {
    width: 190px;
    height: 190px;
    animation-delay: 0.6s;
    border-color: rgba(184, 255, 13, 0.08);
}

.dl-r3 {
    width: 240px;
    height: 240px;
    animation-delay: 1.2s;
    border-color: rgba(184, 255, 13, 0.04);
}

@keyframes dlRingPulse {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        transform: translate(-50%, -50%) scale(1.3);
        opacity: 0;
    }
}

.dl-title {
    font-size: clamp(28px, 4vw, 46px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 18px;
    margin-top: 30px;
}

.lime-glow-text {
    color: var(--lime);
    text-shadow: 0 0 40px rgba(184, 255, 13, 0.5);
}

.dl-sub {
    font-size: 16px;
    color: var(--text-g2);
    line-height: 1.75;
    margin-bottom: 44px;
}

.play-btn {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 18px 36px;
    border-radius: 18px;
    margin-bottom: 22px;
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
}

.play-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: left 0.6s ease;
}

.play-btn:hover .play-shine {
    left: 100%;
}

.play-btn:hover {
    border-color: var(--lime);
    transform: translateY(-5px);
    box-shadow: 0 0 0 1px rgba(184, 255, 13, 0.2), 0 20px 50px rgba(0, 0, 0, 0.4);
}

.play-text {
    text-align: left;
}

.play-sub {
    display: block;
    font-family: var(--font-en);
    font-size: 10px;
    color: var(--text-g2);
    letter-spacing: 2px;
    margin-bottom: 2px;
}

.play-main {
    display: block;
    font-family: var(--font-en);
    font-size: 22px;
    font-weight: 800;
    color: var(--text-w);
}

.dl-note {
    font-family: var(--font-en);
    font-size: 12px;
    color: var(--text-g3);
    letter-spacing: 0.5px;
}

/* ==============================
   FOOTER
   ============================== */
.footer {
    background: var(--bg);
    position: relative;
    z-index: 2;
    padding: 0 0 28px;
}

.footer-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-lime), transparent);
    margin-bottom: 48px;
}

.footer-body {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.ft-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    box-shadow: 0 0 20px rgba(184, 255, 13, 0.15);
}

.ft-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-w);
    margin-bottom: 4px;
}

.ft-tag {
    font-size: 12px;
    color: var(--text-g3);
}

.ft-share-label {
    font-size: 12px;
    color: var(--text-g3);
    margin-bottom: 10px;
    text-align: center;
}

.share-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--lime-dim);
    border: 1px solid var(--border-lime);
    color: var(--lime);
    font-family: var(--font-bn);
    font-size: 14px;
    font-weight: 600;
    padding: 10px 22px;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.share-btn:hover {
    background: rgba(184, 255, 13, 0.2);
    box-shadow: 0 0 20px rgba(184, 255, 13, 0.2);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

.footer-bottom p {
    font-size: 12px;
    color: var(--text-g3);
}

/* ==============================
   RESPONSIVE
   ============================== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: 1fr 1fr;
    }

    .feat-big {
        grid-row: auto;
        grid-column: auto;
    }

    .feat-wide {
        grid-column: auto;
    }

    .subjects-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .subjects-left {
        position: static;
    }

    .subjects-phone-wrap {
        display: none;
    }

    .highlight-card {
        grid-template-columns: 1fr;
        padding: 40px 32px;
    }
}

@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 50px;
    }

    .hero-eyebrow,
    .hero-cta-row,
    .hero-stats-row {
        justify-content: center;
    }

    .hero-desc {
        margin: 0 auto 36px;
    }

    .hero-right {
        order: -1;
    }

    .phone-scene {
        width: 260px;
        height: 460px;
    }

    .phone-ss {
        width: 210px;
    }

    .chip-a {
        right: -20px;
        top: 20px;
    }

    .chip-b {
        left: -20px;
        bottom: 30px;
    }

    .chip-c {
        display: none;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: fixed;
        top: 68px;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.97);
        backdrop-filter: blur(20px);
        padding: 16px;
        border-bottom: 1px solid var(--border-lime);
        gap: 2px;
    }

    .nav-links.open {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .cs {
        flex: 0 0 190px;
    }

    .cs img {
        height: 340px;
    }

    .footer-body {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 20px 70px;
    }

    .hero-line-1 {
        font-size: 52px;
    }

    .phone-ss {
        width: 200px;
    }

    .cs {
        flex: 0 0 170px;
    }

    .cs img {
        height: 300px;
    }

    .highlight-card {
        padding: 28px 20px;
    }

    .download {
        padding: 80px 20px;
    }
}

/* ==============================
   PAGE PROGRESS BAR
   ============================== */
.page-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #b8ff0d, rgba(184, 255, 13, 0.5));
    width: 0%;
    z-index: 9999;
    transition: width 0.08s linear;
    box-shadow: 0 0 10px rgba(184, 255, 13, 0.7);
    border-radius: 0 2px 2px 0;
    pointer-events: none;
}

/* ==============================
   BACK TO TOP BUTTON
   ============================== */
.back-to-top {
    position: fixed;
    bottom: 36px;
    right: 28px;
    width: 52px;
    height: 52px;
    background: rgba(10, 10, 10, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--lime);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 900;
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px) scale(0.8);
    transition: opacity 0.4s cubic-bezier(.23, 1, .32, 1),
        transform 0.4s cubic-bezier(.23, 1, .32, 1),
        box-shadow 0.3s ease, background 0.3s ease;
    backdrop-filter: blur(16px);
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0) scale(1);
}

.back-to-top:hover {
    background: var(--lime);
    color: #000;
    transform: translateY(-4px) scale(1.08);
    box-shadow: 0 0 30px rgba(184, 255, 13, 0.55), 0 12px 28px rgba(0, 0, 0, 0.5);
    border-color: transparent;
}

.back-to-top:active {
    transform: translateY(-1px) scale(0.96);
}

.back-to-top>svg {
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease;
}

.back-to-top:hover>svg {
    transform: translateY(-2px);
}

.btt-progress-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    pointer-events: none;
}

.btt-progress-ring svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

/* ==============================
   PARALLAX ORBS
   ============================== */
.parallax-orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    /* Only transform is GPU-compositable — no filter or opacity changes during scroll */
    will-change: transform;
    transform: translate3d(0, 0, 0);
    z-index: 0;
    backface-visibility: hidden;
}

/* Hero section orbs — blur baked into gradient stops, no filter needed */
.p-orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(184, 255, 13, 0.07) 0%, rgba(184, 255, 13, 0.03) 40%, transparent 70%);
    top: -120px;
    left: -180px;
}

.p-orb-2 {
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(184, 255, 13, 0.05) 0%, rgba(184, 255, 13, 0.02) 45%, transparent 70%);
    bottom: 80px;
    right: -100px;
}

.p-orb-3 {
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.035) 0%, transparent 70%);
    top: 40%;
    right: 20%;
}

.p-orb-4 {
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(184, 255, 13, 0.04) 0%, transparent 70%);
    bottom: 15%;
    left: 30%;
}

/* Features orbs */
.feat-orb-1 {
    width: 580px;
    height: 580px;
    background: radial-gradient(circle, rgba(184, 255, 13, 0.04) 0%, rgba(184, 255, 13, 0.01) 45%, transparent 70%);
    top: 0;
    right: -140px;
}

.feat-orb-2 {
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(184, 255, 13, 0.03) 0%, transparent 70%);
    bottom: 60px;
    left: -80px;
}

/* Subjects orb */
.subj-orb-1 {
    width: 480px;
    height: 480px;
    background: radial-gradient(circle, rgba(184, 255, 13, 0.05) 0%, rgba(184, 255, 13, 0.01) 40%, transparent 70%);
    top: 50%;
    right: -140px;
    transform: translate3d(0, -50%, 0);
}

/* Download orbs */
.dl-orb-1 {
    width: 580px;
    height: 580px;
    background: radial-gradient(circle, rgba(184, 255, 13, 0.08) 0%, rgba(184, 255, 13, 0.02) 45%, transparent 70%);
    top: -120px;
    left: -120px;
}

.dl-orb-2 {
    width: 480px;
    height: 480px;
    background: radial-gradient(circle, rgba(184, 255, 13, 0.06) 0%, rgba(184, 255, 13, 0.01) 45%, transparent 70%);
    bottom: -120px;
    right: -120px;
}

/* ==============================
   LENIS SMOOTH SCROLL COMPAT
   ============================== */
html.lenis {
    height: auto;
}

.lenis.lenis-smooth {
    scroll-behavior: auto !important;
}

.lenis.lenis-stopped {
    overflow: hidden;
}

/* ==============================
   ENHANCED ANIMATIONS
   ============================== */

/* Improved AOS easing globally */
[data-aos] {
    transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1) !important;
}

/* Sub-row left accent bar */
.sub-row {
    overflow: hidden;
}

.sub-row::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 0;
    background: var(--lime);
    border-radius: 2px;
    transition: height 0.35s cubic-bezier(.23, 1, .32, 1);
}

.sub-row:hover::before {
    height: 65%;
}

/* Feat card shimmer on hover */
.feat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(184, 255, 13, 0.025), transparent);
    transition: left 0.65s ease;
    pointer-events: none;
    z-index: 1;
}

.feat-card:hover::before {
    left: 140%;
}

/* Download icon pulse */
.dl-app-icon {
    animation: iconPulse 3.5s ease-in-out infinite;
}

@keyframes iconPulse {

    0%,
    100% {
        box-shadow: 0 0 0 1px rgba(184, 255, 13, 0.15), 0 20px 50px rgba(0, 0, 0, 0.5);
    }

    50% {
        box-shadow: 0 0 0 1px rgba(184, 255, 13, 0.4), 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 25px rgba(184, 255, 13, 0.18);
    }
}

/* Highlight card image shine sweep */
.hl-img-wrap {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
}

.hl-img-wrap::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 40%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    animation: hlSweep 6s ease-in-out infinite 1s;
    pointer-events: none;
}

@keyframes hlSweep {
    0% {
        left: -40%;
    }

    60%,
    100% {
        left: 140%;
    }
}

/* Marquee item hover highlight */
.mq-item:hover {
    color: var(--lime);
    cursor: default;
}

/* Carousel slide reveal depth */
.cs {
    transform-style: preserve-3d;
}

/* Smooth focus ring */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--lime);
    outline-offset: 3px;
    border-radius: 4px;
}