/* ═══════════════════════════════════════════════════════════════
   NEXABOT — Futuristic Robot Company Website
   style.css
═══════════════════════════════════════════════════════════════ */

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

:root {
    --neon-blue: #00f5ff;
    --neon-purple: #7b2fff;
    --neon-orange: #ff6b35;
    --neon-green: #00ff9d;
    --dark-bg: #020408;
    --dark-mid: #060d18;
    --dark-card: #0a1628;
    --dark-border: rgba(0, 245, 255, .12);
    --text-primary: #e8f4ff;
    --text-muted: #6b8fa8;
    --font-head: 'Orbitron', monospace;
    --font-body: 'Rajdhani', sans-serif;
    --font-alt: 'Exo 2', sans-serif;
    --transition: all .35s cubic-bezier(.4, 0, .2, 1);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    background: var(--dark-bg);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 16px;
    overflow-x: hidden;
    cursor: none;
}

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

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

canvas {
    display: block;
}

/* ── SCROLLBAR ───────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 4px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--neon-blue);
    border-radius: 2px;
    box-shadow: 0 0 8px var(--neon-blue);
}

/* ── CUSTOM CURSOR ───────────────────────────────────────── */
.cursor {
    position: fixed;
    width: 12px;
    height: 12px;
    background: var(--neon-blue);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 12px var(--neon-blue), 0 0 24px var(--neon-blue);
    transition: width .1s, height .1s, background .2s;
    will-change: left, top;
}

.cursor.hovered {
    width: 32px;
    height: 32px;
    background: transparent;
    border: 2px solid var(--neon-blue);
}

.cursor-trail {
    position: fixed;
    width: 28px;
    height: 28px;
    border: 1px solid rgba(0, 245, 255, .4);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    /* transition removed: rAF lerp in JS handles smooth movement */
    will-change: left, top;
}

/* ── NAVBAR ──────────────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 4rem;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(2, 4, 8, .85);
    backdrop-filter: blur(20px);
    padding: 0.8rem 4rem;
    border-bottom: 1px solid var(--dark-border);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-family: var(--font-head);
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: .15em;
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--neon-blue);
    text-shadow: 0 0 16px var(--neon-blue);
    animation: pulse-icon 2.4s ease-in-out infinite;
}

@keyframes pulse-icon {

    0%,
    100% {
        text-shadow: 0 0 16px var(--neon-blue);
    }

    50% {
        text-shadow: 0 0 32px var(--neon-blue), 0 0 60px var(--neon-blue);
    }
}

.logo-text {
    color: var(--text-primary);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.4rem;
}

.nav-links a {
    font-family: var(--font-alt);
    font-size: .9rem;
    font-weight: 500;
    letter-spacing: .08em;
    color: var(--text-muted);
    position: relative;
    transition: color .3s;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--neon-blue);
    box-shadow: 0 0 8px var(--neon-blue);
    transition: width .3s;
}

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

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: .45rem 1.2rem !important;
    border: 1px solid var(--neon-blue) !important;
    border-radius: 4px !important;
    color: var(--neon-blue) !important;
    background: rgba(0, 245, 255, .06) !important;
    transition: var(--transition) !important;
}

.nav-cta:hover {
    background: rgba(0, 245, 255, .18) !important;
    box-shadow: 0 0 20px rgba(0, 245, 255, .3) !important;
}

.nav-cta::after {
    display: none !important;
}

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

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--neon-blue);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 800;
    background: rgba(2, 4, 8, .97);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    backdrop-filter: blur(20px);
}

.mobile-menu.open {
    display: flex;
}

.mobile-menu a {
    font-family: var(--font-head);
    font-size: 1.4rem;
    letter-spacing: .1em;
    color: var(--text-muted);
    transition: color .3s;
}

.mobile-menu a:hover {
    color: var(--neon-blue);
}

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    padding: .85rem 2rem;
    border-radius: 4px;
    font-family: var(--font-alt);
    font-size: .9rem;
    font-weight: 600;
    letter-spacing: .08em;
    border: none;
    cursor: none;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, .06);
    transform: translateX(-100%);
    transition: transform .4s ease;
}

.btn:hover::before {
    transform: translateX(0);
}

.btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.btn-primary {
    background: var(--neon-blue);
    color: #000;
    box-shadow: 0 0 24px rgba(0, 245, 255, .4);
}

.btn-primary:hover {
    box-shadow: 0 0 40px rgba(0, 245, 255, .6), 0 0 80px rgba(0, 245, 255, .2);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--dark-border);
}

.btn-ghost:hover {
    border-color: rgba(0, 245, 255, .4);
    color: var(--neon-blue);
    box-shadow: 0 0 20px rgba(0, 245, 255, .12);
}

.btn-outline {
    background: transparent;
    color: var(--neon-blue);
    border: 1px solid rgba(0, 245, 255, .3);
    padding: .65rem 1.4rem;
    font-size: .82rem;
}

.btn-outline:hover {
    background: rgba(0, 245, 255, .1);
    border-color: var(--neon-blue);
    box-shadow: 0 0 16px rgba(0, 245, 255, .3);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ── SECTION COMMONS ─────────────────────────────────────── */
.section-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 6rem 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    font-family: var(--font-head);
    font-size: .7rem;
    letter-spacing: .3em;
    color: var(--neon-blue);
    margin-bottom: .8rem;
    display: inline-block;
}

.section-title {
    font-family: var(--font-head);
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-sub {
    font-family: var(--font-alt);
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 540px;
    margin: 0 auto;
}

.neon-text {
    color: var(--neon-blue);
    text-shadow: 0 0 20px rgba(0, 245, 255, .6);
}

/* ── HERO ────────────────────────────────────────────────── */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-split {
    position: relative;
    z-index: 5;
    display: flex;
    align-items: center;
    width: 100%;
    height: 100%;
}

#heroCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-canvas-wrap {
    flex: 0 0 50%;
    position: relative;
    height: 100%;
}

#particleCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    z-index: 2;
    background-image:
        linear-gradient(rgba(0, 245, 255, .04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 245, 255, .04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 75%);
}

.hero-content {
    flex: 0 0 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 0 clamp(2rem, 4vw, 5rem) 0 clamp(2rem, 5vw, 8rem);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .4rem 1rem;
    border: 1px solid rgba(0, 245, 255, .3);
    border-radius: 20px;
    font-family: var(--font-head);
    font-size: .65rem;
    letter-spacing: .2em;
    color: var(--neon-blue);
    background: rgba(0, 245, 255, .06);
    margin-bottom: 1.6rem;
    opacity: 0;
    animation: fadeSlideUp .8s .3s ease forwards;
}

.badge-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--neon-green);
    box-shadow: 0 0 8px var(--neon-green);
    animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-dot {

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

    50% {
        opacity: .5;
        transform: scale(1.4);
    }
}

.hero-title {
    font-family: var(--font-head);
    font-size: clamp(2.4rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-title .line {
    display: block;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeSlideUp .8s ease forwards;
}

.hero-title .line:nth-child(1) {
    animation-delay: .5s;
}

.hero-title .line:nth-child(2) {
    animation-delay: .7s;
}

.hero-title .line:nth-child(3) {
    animation-delay: .9s;
}

.hero-title .accent {
    color: var(--neon-blue);
    text-shadow: 0 0 30px rgba(0, 245, 255, .5), 0 0 60px rgba(0, 245, 255, .2);
}

.hero-sub {
    font-family: var(--font-alt);
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--text-muted);
    margin-bottom: 2.4rem;
    opacity: 0;
    animation: fadeSlideUp .8s 1.1s ease forwards;
}

.hero-sub em {
    color: var(--neon-green);
    font-style: normal;
    font-weight: 600;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeSlideUp .8s 1.3s ease forwards;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-top: 3.5rem;
    opacity: 0;
    animation: fadeSlideUp .8s 1.5s ease forwards;
}

.stat {
    text-align: left;
}

.stat-num {
    font-family: var(--font-head);
    font-size: 2rem;
    font-weight: 700;
    color: var(--neon-blue);
}

.stat-unit {
    font-family: var(--font-head);
    font-size: 1.2rem;
    color: var(--neon-blue);
}

.stat p {
    font-size: .8rem;
    color: var(--text-muted);
    margin-top: .2rem;
    letter-spacing: .05em;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .6rem;
    font-family: var(--font-head);
    font-size: .6rem;
    letter-spacing: .3em;
    color: var(--text-muted);
    animation: fadeIn 1s 2s ease forwards;
    opacity: 0;
}

.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--neon-blue), transparent);
    animation: scroll-pulse 2s infinite;
}

@keyframes scroll-pulse {
    0% {
        opacity: 0;
        transform: scaleY(0) translateY(-100%);
    }

    50% {
        opacity: 1;
    }

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

@keyframes fadeSlideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* ── ABOUT ───────────────────────────────────────────────── */
.about {
    position: relative;
    background: var(--dark-mid);
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
    opacity: .4;
}

.about .section-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-left .section-label {
    display: block;
    margin-bottom: 1rem;
}

.about-desc {
    font-family: var(--font-alt);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 1.2rem;
}

.about-pills {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
    margin-top: 1.8rem;
}

.pill {
    padding: .35rem .9rem;
    border: 1px solid rgba(0, 245, 255, .25);
    border-radius: 20px;
    font-family: var(--font-alt);
    font-size: .75rem;
    color: var(--neon-blue);
    background: rgba(0, 245, 255, .05);
    letter-spacing: .05em;
    transition: var(--transition);
}

.pill:hover {
    background: rgba(0, 245, 255, .15);
    box-shadow: 0 0 12px rgba(0, 245, 255, .3);
}

.about-cards {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.about-card {
    padding: 1.6rem 2rem;
    border-radius: 8px;
    border: 1px solid var(--dark-border);
    background: var(--dark-card);
    display: flex;
    gap: 1.2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 245, 255, .05), transparent);
    opacity: 0;
    transition: opacity .3s;
}

.about-card:hover {
    border-color: rgba(0, 245, 255, .35);
    transform: translateX(6px);
}

.about-card:hover::before {
    opacity: 1;
}

.card-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.about-card h3 {
    font-family: var(--font-head);
    font-size: .85rem;
    letter-spacing: .1em;
    margin-bottom: .4rem;
    color: var(--neon-blue);
}

.about-card p {
    font-family: var(--font-alt);
    font-size: .9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ── PRODUCTS ────────────────────────────────────────────── */
.products {
    background: var(--dark-bg);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
}

.product-card {
    position: relative;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    will-change: transform;
}

.product-card:hover {
    border-color: rgba(0, 245, 255, .4);
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .5), 0 0 40px rgba(0, 245, 255, .08);
}

.product-card.featured {
    border-color: rgba(0, 245, 255, .3);
    background: linear-gradient(135deg, #0a1628, #0d1e3a);
}

.product-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(0, 245, 255, .08), transparent 60%);
    pointer-events: none;
    opacity: 0;
    transition: opacity .4s;
}

.product-card:hover .product-glow {
    opacity: 1;
}

.product-canvas-wrap {
    height: 180px;
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.product-mini-canvas {
    width: 100%;
    height: 100%;
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: .25rem .7rem;
    background: rgba(123, 47, 255, .2);
    border: 1px solid var(--neon-purple);
    border-radius: 4px;
    font-family: var(--font-head);
    font-size: .6rem;
    letter-spacing: .12em;
    color: var(--neon-purple);
}

.neon-badge {
    background: rgba(0, 245, 255, .1) !important;
    border-color: var(--neon-blue) !important;
    color: var(--neon-blue) !important;
}

.product-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: .7rem;
}

.product-info h3 {
    font-family: var(--font-head);
    font-size: 1rem;
    letter-spacing: .08em;
    color: var(--text-primary);
}

.product-cat {
    font-family: var(--font-head);
    font-size: .65rem;
    letter-spacing: .15em;
    color: var(--neon-blue);
}

.product-desc {
    font-family: var(--font-alt);
    font-size: .88rem;
    color: var(--text-muted);
    line-height: 1.6;
    flex: 1;
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
}

.product-specs span {
    padding: .2rem .6rem;
    border: 1px solid rgba(0, 245, 255, .15);
    border-radius: 3px;
    font-family: var(--font-alt);
    font-size: .72rem;
    color: var(--text-muted);
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: .8rem;
    border-top: 1px solid var(--dark-border);
}

.product-price {
    font-family: var(--font-head);
    font-size: .8rem;
    color: var(--neon-green);
}

/* ── TECHNOLOGY ──────────────────────────────────────────── */
.technology {
    position: relative;
    background: var(--dark-mid);
    overflow: hidden;
}

#techBgCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: .3;
}

.tech-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.tech-robot-stage {
    position: relative;
    height: 520px;
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    overflow: hidden;
    background: rgba(0, 0, 0, .4);
}

#techRobotCanvas {
    width: 100%;
    height: 100%;
}

.tech-scan-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
    box-shadow: 0 0 12px var(--neon-blue);
    animation: scan 3s linear infinite;
    pointer-events: none;
}

@keyframes scan {
    0% {
        top: 0%;
        opacity: 0;
    }

    5% {
        opacity: 1;
    }

    95% {
        opacity: 1;
    }

    100% {
        top: 100%;
        opacity: 0;
    }
}

.tech-hud {
    position: absolute;
    inset: 12px;
    pointer-events: none;
    font-family: var(--font-head);
    font-size: .6rem;
    letter-spacing: .1em;
    color: rgba(0, 245, 255, .5);
}

.hud-item {
    position: absolute;
}

.hud-item.top-left {
    top: 0;
    left: 0;
}

.hud-item.top-right {
    top: 0;
    right: 0;
}

.hud-item.bot-left {
    bottom: 0;
    left: 0;
}

.hud-item.bot-right {
    bottom: 0;
    right: 0;
}

.tech-features {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
    padding-top: 1rem;
}

.tech-feature {
    display: flex;
    gap: 1.4rem;
    opacity: 0;
    transform: translateX(30px);
    padding: 1.4rem 1.6rem;
    border-radius: 8px;
    border: 1px solid var(--dark-border);
    background: var(--dark-card);
    transition: var(--transition);
}

.tech-feature.visible {
    opacity: 1;
    transform: none;
}

.tech-feature:hover {
    border-color: rgba(0, 245, 255, .3);
    box-shadow: inset 0 0 30px rgba(0, 245, 255, .04);
}

.feature-number {
    font-family: var(--font-head);
    font-size: 1.5rem;
    font-weight: 700;
    color: rgba(0, 245, 255, .2);
    flex-shrink: 0;
    line-height: 1;
}

.feature-content h3 {
    font-family: var(--font-head);
    font-size: .85rem;
    letter-spacing: .08em;
    color: var(--text-primary);
    margin-bottom: .5rem;
}

.feature-content p {
    font-family: var(--font-alt);
    font-size: .88rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: .8rem;
}

.feature-bar {
    height: 3px;
    background: rgba(255, 255, 255, .08);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: .4rem;
}

.feature-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
    border-radius: 2px;
    box-shadow: 0 0 8px var(--neon-blue);
    transition: width 1.2s ease;
}

.feature-metric {
    font-family: var(--font-head);
    font-size: .62rem;
    letter-spacing: .1em;
    color: var(--neon-green);
}

/* ── TESTIMONIALS ────────────────────────────────────────── */
.testimonials {
    background: var(--dark-bg);
    overflow: hidden;
}

.testimonial-track-wrap {
    overflow: hidden;
    margin: 0 0 3rem;
    padding: 1rem 0;
    -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.testimonial-track {
    display: flex;
    gap: 1.8rem;
    width: max-content;
    animation: testimonial-scroll 30s linear infinite;
    will-change: transform;
}

.testimonial-track:hover {
    animation-play-state: paused;
}

@keyframes testimonial-scroll {
    from {
        transform: translateX(0);
    }

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

/* duplicate items for seamless loop */
.testimonial-card {
    width: 360px;
    flex-shrink: 0;
    padding: 2rem;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: rgba(0, 245, 255, .3);
    box-shadow: 0 0 30px rgba(0, 245, 255, .08);
    transform: translateY(-4px);
}

.t-avatar {
    position: relative;
    width: 56px;
    height: 56px;
    margin-bottom: 1.2rem;
}

.avatar-canvas {
    width: 56px;
    height: 56px;
    border-radius: 50%;
}

.avatar-ring {
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 1px solid rgba(0, 245, 255, .4);
    box-shadow: 0 0 12px rgba(0, 245, 255, .3);
    animation: avatar-ring-pulse 2s ease-in-out infinite;
}

@keyframes avatar-ring-pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: .8;
    }

    50% {
        transform: scale(1.1);
        opacity: .3;
    }
}

.t-quote {
    font-family: var(--font-alt);
    font-size: .92rem;
    line-height: 1.7;
    color: var(--text-muted);
    margin-bottom: 1.2rem;
}

.t-meta strong {
    font-family: var(--font-body);
    font-size: .95rem;
    font-weight: 600;
    display: block;
    color: var(--text-primary);
}

.t-meta span {
    font-family: var(--font-alt);
    font-size: .78rem;
    color: var(--text-muted);
    letter-spacing: .03em;
}

.t-stars {
    color: #ffb800;
    font-size: .85rem;
    letter-spacing: .1em;
    margin-top: .8rem;
}

/* client logos */
.client-logos {
    overflow: hidden;
    padding: 2rem 0;
    border-top: 1px solid var(--dark-border);
    border-bottom: 1px solid var(--dark-border);
    -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.logo-track {
    display: flex;
    gap: 4rem;
    align-items: center;
    width: max-content;
    animation: logo-scroll 20s linear infinite;
    will-change: transform;
}

@keyframes logo-scroll {
    from {
        transform: translateX(0);
    }

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

.client-logo {
    font-family: var(--font-head);
    font-size: .75rem;
    letter-spacing: .2em;
    color: var(--text-muted);
    white-space: nowrap;
    transition: color .3s;
}

.client-logo em {
    color: var(--neon-blue);
    font-style: normal;
}

.client-logo:hover {
    color: var(--text-primary);
}

/* ── CONTACT ─────────────────────────────────────────────── */
.contact {
    background: var(--dark-mid);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.contact-left .section-label {
    display: block;
    margin-bottom: 1rem;
}

.contact-desc {
    font-family: var(--font-alt);
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.ci-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-item strong {
    font-family: var(--font-head);
    font-size: .8rem;
    letter-spacing: .1em;
    display: block;
    margin-bottom: .3rem;
    color: var(--neon-blue);
}

.contact-item p {
    font-family: var(--font-alt);
    font-size: .88rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.contact-robot-stage {
    position: relative;
    height: 200px;
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    overflow: hidden;
    background: rgba(0, 0, 0, .3);
}

#contactRobotCanvas {
    width: 100%;
    height: 100%;
}

.contact-robot-msg {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-head);
    font-size: .65rem;
    letter-spacing: .1em;
    color: var(--neon-blue);
    background: rgba(0, 4, 8, .8);
    padding: .3rem .8rem;
    border-radius: 4px;
    border: 1px solid rgba(0, 245, 255, .2);
    white-space: nowrap;
    transition: var(--transition);
}

/* FORM */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: .4rem;
}

.form-group label {
    font-family: var(--font-head);
    font-size: .65rem;
    letter-spacing: .15em;
    color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(255, 255, 255, .03);
    border: 1px solid var(--dark-border);
    border-radius: 4px;
    padding: .85rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-alt);
    font-size: .92rem;
    outline: none;
    transition: border-color .3s, box-shadow .3s;
    cursor: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(107, 143, 168, .5);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: rgba(0, 245, 255, .5);
    box-shadow: 0 0 0 3px rgba(0, 245, 255, .06), inset 0 0 10px rgba(0, 245, 255, .04);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300f5ff' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.form-group select option {
    background: var(--dark-card);
    color: var(--text-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 110px;
}

.input-focus-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 0;
    background: var(--neon-blue);
    box-shadow: 0 0 8px var(--neon-blue);
    transition: width .4s ease;
    border-radius: 0 0 4px 4px;
}

.form-group:focus-within .input-focus-bar {
    width: 100%;
}

.form-success {
    display: none;
    padding: 1rem 1.2rem;
    background: rgba(0, 255, 157, .08);
    border: 1px solid rgba(0, 255, 157, .3);
    border-radius: 4px;
    font-family: var(--font-alt);
    font-size: .9rem;
    color: var(--neon-green);
    animation: fadeIn .4s ease;
}

.form-success span {
    margin-right: .5rem;
}

/* ── FOOTER ──────────────────────────────────────────────── */
.footer {
    position: relative;
    background: var(--dark-bg);
    overflow: hidden;
}

.footer-glow {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
    opacity: .6;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 4rem 2rem 2rem;
}

.footer-top {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand .nav-logo {
    margin-bottom: 1rem;
}

.footer-brand>p {
    font-family: var(--font-alt);
    font-size: .88rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer-socials {
    display: flex;
    gap: .8rem;
}

.social-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--dark-border);
    border-radius: 4px;
    font-size: .85rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.social-btn:hover {
    border-color: rgba(0, 245, 255, .4);
    color: var(--neon-blue);
    box-shadow: 0 0 12px rgba(0, 245, 255, .2);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.footer-col h4 {
    font-family: var(--font-head);
    font-size: .7rem;
    letter-spacing: .2em;
    color: var(--text-primary);
    margin-bottom: 1.2rem;
}

.footer-col a {
    display: block;
    margin-bottom: .6rem;
    font-family: var(--font-alt);
    font-size: .88rem;
    color: var(--text-muted);
    transition: color .3s;
}

.footer-col a:hover {
    color: var(--neon-blue);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid var(--dark-border);
    font-family: var(--font-alt);
    font-size: .8rem;
    color: var(--text-muted);
}

.footer-status {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--neon-green);
    box-shadow: 0 0 8px var(--neon-green);
    animation: pulse-dot 1.8s infinite;
}

/* ── MODAL ───────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, .85);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity .4s;
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: all;
}

.modal {
    width: 90%;
    max-width: 580px;
    background: var(--dark-card);
    border: 1px solid rgba(0, 245, 255, .25);
    border-radius: 12px;
    padding: 2.5rem;
    position: relative;
    transform: translateY(30px) scale(.96);
    transition: transform .4s ease;
}

.modal-overlay.open .modal {
    transform: none;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    cursor: none;
    font-size: 1rem;
    color: var(--text-muted);
    transition: color .3s;
}

.modal-close:hover {
    color: var(--neon-blue);
}

.modal-content h2 {
    font-family: var(--font-head);
    font-size: 1.1rem;
    letter-spacing: .1em;
    color: var(--neon-blue);
    margin-bottom: 1rem;
}

.modal-content p {
    font-family: var(--font-alt);
    font-size: .95rem;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ── SCROLL REVEAL ───────────────────────────────────────── */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 0;
    transition: opacity .8s ease, transform .8s ease;
}

.reveal-up {
    transform: translateY(40px);
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-right {
    transform: translateX(40px);
}

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
    opacity: 1;
    transform: none;
}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1100px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-layout {
        grid-template-columns: 1fr;
    }

    .tech-robot-stage {
        height: 340px;
    }

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

    .footer-top {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet: shrink hero content but keep side-by-side */
@media (max-width: 900px) {
    .hero-content {
        padding: 0 1.5rem 0 2rem;
    }

    .hero-title {
        font-size: clamp(2rem, 6vw, 3.5rem);
    }
}

/* Mobile: stack vertically, robot on top */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem 1.5rem;
    }

    .navbar.scrolled {
        padding: .7rem 1.5rem;
    }

    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        height: auto;
        min-height: 100svh;
    }

    .hero-split {
        flex-direction: column;
        height: auto;
        min-height: 100svh;
        padding-top: 70px;
        overflow: hidden;
        /* clear navbar */
    }

    /* Spacer not needed on mobile — canvas is a full-section overlay */
    .hero-canvas-wrap {
        display: none;
    }

    /* Text protection — gradient behind content on mobile */
    .hero-content::before {
        content: '';
        position: absolute;
        inset: 0;
        z-index: -1;
        background: radial-gradient(ellipse 90% 80% at 50% 40%, rgba(2, 4, 8, .72) 40%, transparent 100%);
        pointer-events: none;
    }

    .hero-content {
        position: relative;
        flex: none;
        width: 100%;
        align-items: center;
        text-align: center;
        padding: 1rem 1.5rem 3rem;
        justify-content: flex-start;
    }

    .hero-stats {
        gap: 1.2rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .about .section-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .product-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin: 0 auto;
    }

    .section-container {
        padding: 4rem 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: .8rem;
        text-align: center;
    }

    body {
        cursor: auto;
    }

    .cursor,
    .cursor-trail {
        display: none;
    }
}

/* ── GLITCH EFFECT (decorative) ──────────────────────────── */
@keyframes glitch {
    0% {
        clip-path: inset(20% 0 60% 0);
        transform: translate(-3px, 0);
    }

    20% {
        clip-path: inset(75% 0 5% 0);
        transform: translate(3px, 0);
    }

    40% {
        clip-path: inset(40% 0 40% 0);
        transform: translate(-2px, 0);
    }

    60% {
        clip-path: inset(90% 0 2% 0);
        transform: translate(2px, 0);
    }

    80% {
        clip-path: inset(10% 0 80% 0);
        transform: translate(-1px, 0);
    }

    100% {
        clip-path: inset(50% 0 30% 0);
        transform: translate(0, 0);
    }
}

/* ── PERFORMANCE HINTS ──────────────────────────────────────── */
.hero-content {
    will-change: transform;
}

.about-card {
    will-change: transform;
}

.tech-feature {
    will-change: transform, opacity;
}

/* ── ACCESSIBILITY: REDUCED MOTION ──────────────────────────────── */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    /* Elements that start hidden via CSS animation must be made visible */
    .hero-title .line,
    .hero-badge,
    .hero-sub,
    .hero-actions,
    .hero-stats,
    .scroll-indicator {
        opacity: 1 !important;
        transform: none !important;
        animation: none !important;
    }

    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 1 !important;
        transform: none !important;
    }

    .tech-feature {
        opacity: 1 !important;
        transform: none !important;
    }

    /* Stop infinite-scroll tracks */
    .testimonial-track {
        animation: none;
        overflow-x: auto;
    }

    .logo-track {
        animation: none;
        overflow-x: auto;
    }

    /* Stop decorative pulse/spin animations */
    .tech-scan-line,
    .badge-dot,
    .status-dot,
    .logo-icon,
    .scroll-line,
    .avatar-ring {
        animation: none !important;
    }
}