/* ==========================================================================
   VV Techsol — Enterprise Homepage Theme
   Clean light UI with dark hero + dark contact band, violet accent system.
   Inspired by modern enterprise IT sites (systemsltd.com reference).
   Self-contained: loaded ONLY on index.html. Does not touch css/style.css.
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
    /* Surfaces */
    --bg: #ffffff;
    --bg-soft: #f6f5fb;
    --bg-lav: #f2ecfb;
    --dark: #0c0912;
    --dark-2: #150e22;

    /* Ink */
    --ink: #17131f;
    --ink-soft: #514c60;
    --muted: #7b7688;
    --on-dark: #ffffff;
    --on-dark-soft: #b7b0c6;

    /* Brand */
    --brand: #6d28d9;
    --brand-2: #8b3ff0;
    --brand-deep: #4c1d95;
    --magenta: #c026d3;
    --line: #e9e6f1;
    --line-strong: #ddd8ec;

    /* Gradients */
    --grad: linear-gradient(120deg, #7c3aed 0%, #c026d3 100%);
    --grad-soft: linear-gradient(120deg, #8b5cf6 0%, #d946ef 100%);
    --grad-text: linear-gradient(120deg, #8b5cf6 0%, #d946ef 100%);

    /* Shape + motion */
    --r-sm: 10px;
    --r-md: 16px;
    --r-lg: 22px;
    --r-xl: 30px;
    --r-full: 999px;
    --shadow-sm: 0 4px 14px rgba(23, 19, 31, .06);
    --shadow-md: 0 16px 40px rgba(23, 19, 31, .10);
    --shadow-lg: 0 30px 70px rgba(58, 30, 110, .18);
    --ease: cubic-bezier(.22, 1, .36, 1);
    --dur: .45s;

    --maxw: 1400px;
    --font-display: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; overflow-x: hidden; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

h1, h2, h3, h4, h5 {
    font-family: var(--font-display);
    color: var(--ink);
    line-height: 1.12;
    font-weight: 700;
    letter-spacing: -0.02em;
    overflow-wrap: break-word;
}

::selection { background: rgba(124, 58, 237, .18); color: var(--ink); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

.gradient-text {
    font-family: var(--font-serif);
    font-weight: 700;
    font-style: normal;
    letter-spacing: -0.005em;
    background: var(--grad-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
/* Keep the wordmark/preloader in the sans display face */
.preloader-text .gradient-text { font-family: var(--font-display); font-weight: 800; font-style: normal; }

/* ---------- Section framing ---------- */
.section { padding: 108px 0; position: relative; }
.section-soft { background: var(--bg-soft); }
.section-lav { background: linear-gradient(180deg, #faf7ff 0%, #ffffff 100%); }

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-body);
    font-size: .78rem; font-weight: 700; letter-spacing: .16em;
    text-transform: uppercase; color: var(--brand);
    margin-bottom: 18px;
}
.eyebrow::before {
    content: ''; width: 26px; height: 2px; border-radius: 2px;
    background: var(--grad); display: inline-block;
}
.section-head.center .eyebrow::before { display: none; }

.section-title {
    font-size: clamp(2rem, 3.6vw, 3rem);
    font-weight: 700; letter-spacing: -0.03em; color: var(--ink);
}
.section-lead {
    margin-top: 18px; color: var(--ink-soft);
    font-size: 1.08rem; line-height: 1.7; max-width: 560px;
}
.section-head.center .section-lead { margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: 14px 28px; font-family: var(--font-body);
    font-size: .95rem; font-weight: 600; letter-spacing: .01em;
    border-radius: var(--r-full); border: 1.5px solid transparent;
    cursor: pointer; transition: transform var(--dur) var(--ease),
        box-shadow var(--dur) var(--ease), background var(--dur) var(--ease),
        color var(--dur) var(--ease), border-color var(--dur) var(--ease);
    white-space: nowrap;
}
.btn i { font-size: .85em; transition: transform var(--dur) var(--ease); }
.btn:hover i { transform: translateX(3px); }
.btn-lg { padding: 16px 34px; font-size: 1rem; }

.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 10px 26px rgba(109, 40, 217, .30); }
.btn-primary:hover { background: var(--brand-deep); transform: translateY(-2px); box-shadow: 0 16px 34px rgba(109, 40, 217, .38); }

.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; transform: translateY(-2px); }

.btn-outline { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-outline:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }

.btn-ghost-light { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.28); backdrop-filter: blur(4px); }
.btn-ghost-light:hover { background: rgba(255,255,255,.16); transform: translateY(-2px); }

.btn-white { background: #fff; color: var(--ink); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(0,0,0,.28); }

.text-link {
    display: inline-flex; align-items: center; gap: 8px;
    font-weight: 600; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase;
    color: var(--ink);
}
.text-link i { transition: transform var(--dur) var(--ease); font-size: .9em; }
.text-link:hover { color: var(--brand); }
.text-link:hover i { transform: translateX(4px); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1 !important; transform: none !important; }
    html { scroll-behavior: auto; }
}

/* ---------- Preloader ---------- */
#preloader {
    position: fixed; inset: 0; background: var(--bg); z-index: 9999;
    display: flex; align-items: center; justify-content: center;
    transition: opacity .5s ease, visibility .5s ease;
}
#preloader.hidden { opacity: 0; visibility: hidden; }
.preloader-content { text-align: center; }
.preloader-spinner {
    width: 54px; height: 54px; border: 3px solid rgba(109, 40, 217, .18);
    border-top-color: var(--brand); border-radius: 50%;
    animation: spin 1s linear infinite; margin: 0 auto 18px;
}
.preloader-text { font-family: var(--font-display); font-size: 1.35rem; font-weight: 800; letter-spacing: -.02em; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 18px 0;
    background: rgba(14, 10, 22, .3);
    -webkit-backdrop-filter: saturate(150%) blur(12px);
    backdrop-filter: saturate(150%) blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, .06);
    transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
        padding var(--dur) var(--ease), backdrop-filter var(--dur) var(--ease);
}
.site-header.scrolled {
    background: rgba(255, 255, 255, .86);
    backdrop-filter: saturate(160%) blur(14px);
    box-shadow: 0 1px 0 var(--line), 0 10px 30px rgba(23, 19, 31, .06);
    padding: 12px 0;
}
.nav-container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.logo { display: inline-flex; align-items: center; }
.logo-text {
    font-family: var(--font-display); font-weight: 800; font-size: 1.5rem;
    letter-spacing: -.03em; color: #fff; transition: color var(--dur) var(--ease);
}
.logo-accent { color: #c9b6ff; }
.site-header.scrolled .logo-text { color: var(--ink); }
.site-header.scrolled .logo-accent { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.main-nav .nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-link {
    display: inline-block; padding: 9px 15px; border-radius: var(--r-full);
    font-size: .93rem; font-weight: 500; color: rgba(255, 255, 255, .82);
    transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav-link:hover, .nav-link.active { color: #fff; background: rgba(255, 255, 255, .12); }
.site-header.scrolled .nav-link { color: var(--ink-soft); }
.site-header.scrolled .nav-link:hover,
.site-header.scrolled .nav-link.active { color: var(--brand); background: rgba(124, 58, 237, .09); }

.nav-cta { display: inline-flex; align-items: center; gap: 18px; }
.header-btn {
    display: inline-flex; align-items: center; gap: 9px;
    padding: 11px 22px; border-radius: var(--r-full);
    font-size: .9rem; font-weight: 600;
    background: #fff; color: var(--ink);
    border: 1.5px solid transparent;
    transition: all var(--dur) var(--ease);
}
.header-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(0,0,0,.2); }
.site-header.scrolled .header-btn { background: var(--brand); color: #fff; box-shadow: 0 8px 20px rgba(109,40,217,.28); }
.site-header.scrolled .header-btn:hover { background: var(--brand-deep); }

.mobile-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.mobile-toggle span { width: 26px; height: 2px; border-radius: 2px; background: #fff; transition: all var(--dur) var(--ease); }
.site-header.scrolled .mobile-toggle span { background: var(--ink); }
.mobile-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
    position: relative; overflow: hidden;
    background: radial-gradient(115% 125% at 85% 18%, #3d1476 0%, #1b0b36 46%, #0b0810 78%);
    color: var(--on-dark);
    padding: 130px 0 92px;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero .stars-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .5; }
.hero-glow {
    position: absolute; width: 680px; height: 680px; right: -40px; top: -140px;
    background: radial-gradient(circle, rgba(192, 38, 211, .48) 0%, rgba(124, 58, 237, .2) 42%, transparent 68%);
    filter: blur(30px); border-radius: 50%;
}
.grid-overlay {
    position: absolute; inset: 0;
    background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
    background-size: 62px 62px; -webkit-mask: radial-gradient(90% 75% at 22% 40%, #000, transparent 80%);
    mask: radial-gradient(90% 75% at 22% 40%, #000, transparent 80%);
}
.hero-inner {
    position: relative; z-index: 2;
    display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 40px;
}
.hero-text { max-width: 700px; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 8px 16px 8px 12px; border-radius: var(--r-full);
    background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .16);
    font-size: .84rem; font-weight: 500; color: #efe7fb; margin-bottom: 28px;
    backdrop-filter: blur(4px);
}
.badge-dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 4px rgba(52, 211, 153, .22); }
.hero-title {
    font-size: clamp(2.2rem, 4vw, 3.6rem); font-weight: 800; line-height: 1.1;
    letter-spacing: -.03em; color: #fff;
}
.hero-title .gradient-text { background: linear-gradient(120deg, #c4b5fd, #f0abfc); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-desc { margin-top: 20px; font-size: 1.16rem; line-height: 1.7; color: #dcd5ea; max-width: 560px; }
.hero-buttons { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 14px; }

/* Ask launcher inside the hero banner */
.hero-ask { margin-top: 26px; max-width: 600px; }
.hero-ask .ask-box { margin: 0; max-width: none; }
.hero-ask .ask-chips { justify-content: flex-start; margin-top: 14px; }
.hero-ask .ask-status { justify-content: flex-start; margin-top: 16px; padding-top: 14px; border-top: 1px solid rgba(255, 255, 255, .1); }

/* Hero CTA row + industry image gallery (right column) */
.hero-cta-row { display: flex; align-items: center; gap: 18px; margin-top: 24px; flex-wrap: wrap; }
.hero-cta-note { color: var(--on-dark-soft); font-size: .92rem; }
.hero-gallery {
    position: relative; z-index: 2;
    display: grid; grid-template-columns: 1.15fr 1fr; grid-template-rows: repeat(2, 1fr);
    gap: 14px; height: 470px;
}
.hero-tile { position: relative; display: block; border-radius: var(--r-md); overflow: hidden; box-shadow: var(--shadow-lg); }
.hero-tile-lg { grid-row: span 2; }
.hero-tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.hero-tile::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(12, 9, 18, .05) 40%, rgba(12, 9, 18, .72) 100%); }
.hero-tile:hover img { transform: scale(1.06); }
.hero-tile-label { position: absolute; left: 16px; bottom: 14px; z-index: 2; color: #fff; font-family: var(--font-display); font-weight: 700; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; }
.hero-trust { margin-top: 52px; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.hero-trust-label { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.55); }
.hero-trust-logos { display: flex; align-items: center; gap: 24px; font-size: 1.7rem; color: rgba(255,255,255,.72); }
.hero-trust-logos i { transition: color var(--dur) var(--ease), transform var(--dur) var(--ease); }
.hero-trust-logos i:hover { color: #fff; transform: translateY(-2px); }

/* Hero tech orb (IT-themed visual) */
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; min-height: 480px; }
.tech-orb { position: relative; width: 440px; height: 440px; max-width: 92%; aspect-ratio: 1; }
.orb-ring { position: absolute; inset: 0; margin: auto; border-radius: 50%; }
.orb-ring-1 { width: 46%; height: 46%; border: 1px dashed rgba(196, 181, 253, .4); animation: orbspin 24s linear infinite; }
.orb-ring-2 { width: 72%; height: 72%; border: 1px dashed rgba(168, 85, 247, .3); animation: orbspin 42s linear infinite reverse; }
.orb-ring-3 { width: 100%; height: 100%; border: 1px solid rgba(168, 85, 247, .16); }
.orb-glow { position: absolute; inset: 0; margin: auto; width: 58%; height: 58%; border-radius: 50%; background: radial-gradient(circle, rgba(139,92,246,.5), transparent 66%); filter: blur(22px); }
.orb-core {
    position: absolute; inset: 0; margin: auto; width: 120px; height: 120px; border-radius: 50%; z-index: 3;
    display: flex; align-items: center; justify-content: center; font-size: 2.7rem; color: #fff;
    background: radial-gradient(circle at 34% 28%, #bb92ff 0%, #7c3aed 52%, #4c1d95 100%);
    box-shadow: 0 0 60px rgba(139,92,246,.6), inset 0 2px 22px rgba(255,255,255,.35);
    animation: corepulse 4.5s ease-in-out infinite;
}
.orb-chip {
    position: absolute; width: 60px; height: 60px; border-radius: 16px; z-index: 2;
    display: flex; align-items: center; justify-content: center; font-size: 1.9rem;
    background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.18); backdrop-filter: blur(6px);
    box-shadow: 0 14px 32px rgba(6, 2, 16, .45); transform: translate(-50%, -50%);
    animation: chipfloat 5.5s ease-in-out infinite;
}
.chip-1 { left: 50%; top: 3%; }
.chip-2 { left: 85%; top: 18%; animation-delay: .5s; }
.chip-3 { left: 98%; top: 52%; animation-delay: 1s; }
.chip-4 { left: 83%; top: 86%; animation-delay: 1.5s; }
.chip-5 { left: 50%; top: 98%; animation-delay: 2s; }
.chip-6 { left: 15%; top: 85%; animation-delay: 2.5s; }
.chip-7 { left: 2%; top: 50%; animation-delay: 3s; }
.chip-8 { left: 16%; top: 17%; animation-delay: 3.5s; }
@keyframes orbspin { to { transform: rotate(360deg); } }
@keyframes corepulse { 0%,100% { box-shadow: 0 0 55px rgba(139,92,246,.5), inset 0 2px 22px rgba(255,255,255,.35); } 50% { box-shadow: 0 0 88px rgba(192,38,211,.7), inset 0 2px 22px rgba(255,255,255,.42); } }
@keyframes chipfloat { 0%,100% { transform: translate(-50%,-50%); } 50% { transform: translate(-50%,-64%); } }

/* ==========================================================================
   Featured insights
   ========================================================================== */
.insights-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: 44px; }
.insights-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
}
.insight-card {
    position: relative; display: block; min-height: 340px; border-radius: var(--r-md);
    overflow: hidden; background: #14101d; isolation: isolate;
    box-shadow: var(--shadow-sm); transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.insight-card img {
    position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
    transition: transform .8s var(--ease); z-index: -2;
}
.insight-card::after {
    content: ''; position: absolute; inset: 0; z-index: -1;
    background: linear-gradient(180deg, rgba(12, 9, 18, .05) 0%, rgba(12, 9, 18, .55) 55%, rgba(12, 9, 18, .92) 100%);
}
.insight-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.insight-card:hover img { transform: scale(1.07); }
.insight-body { position: absolute; inset: auto 0 0 0; padding: 24px; }
.insight-tag { font-size: .7rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: #d8b4fe; }
.insight-title { margin-top: 10px; color: #fff; font-size: 1.02rem; font-weight: 600; line-height: 1.3; }
.insight-card:nth-child(1) { grid-row: span 2; min-height: 100%; }

/* ==========================================================================
   Stats / intro band
   ========================================================================== */
.intro-band { padding: 104px 0; }
.intro-head { max-width: 680px; margin-bottom: 64px; }
.intro-title { font-size: clamp(2rem, 4vw, 3.1rem); font-weight: 700; letter-spacing: -.03em; }
.intro-lead { margin-top: 20px; color: var(--ink-soft); font-size: 1.08rem; max-width: 560px; }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.stat-block { padding-top: 26px; border-top: 2px solid var(--line-strong); position: relative; }
.stat-block::before { content: ''; position: absolute; top: -2px; left: 0; width: 64px; height: 2px; background: var(--grad); }
.stat-num {
    font-family: var(--font-display); font-size: clamp(2.6rem, 4.5vw, 3.6rem); font-weight: 700;
    letter-spacing: -.03em; background: var(--grad-text);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1;
}
.stat-caption { margin-top: 14px; color: var(--ink-soft); font-size: 1rem; line-height: 1.5; }

/* ==========================================================================
   Services
   ========================================================================== */
.services { background: linear-gradient(180deg, #ffffff 0%, #f7f4fd 100%); overflow: hidden; }
.services-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: 44px; }
.services-carousel-outer { position: relative; }
.services-carousel-wrapper { position: relative; }
.services-carousel { overflow: hidden; }
.services-carousel-track { display: flex; gap: 24px; will-change: transform; }
.services-carousel-track.js-controlled { cursor: grab; }
.services-carousel-track.dragging { cursor: grabbing; }

.service-card {
    flex: 0 0 340px; width: 340px; background: #fff; border: 1px solid var(--line);
    position: relative;
    border-radius: var(--r-lg); overflow: hidden; display: flex; flex-direction: column;
    box-shadow: var(--shadow-sm); transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
    user-select: none;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.service-card-content { padding: 32px 28px 22px; display: flex; flex-direction: column; flex: 1; position: relative; z-index: 3; }
.service-icon {
    width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; color: #fff; background: var(--grad); margin-bottom: 22px;
    box-shadow: 0 10px 22px rgba(124, 58, 237, .28);
}
.service-title { font-size: 1.32rem; font-weight: 700; letter-spacing: -.02em; margin-bottom: 12px; }
.service-title a { color: var(--ink); transition: color var(--dur) var(--ease); }
.service-card:hover .service-title a { color: var(--brand); }
.service-desc { color: var(--ink-soft); font-size: .96rem; line-height: 1.65; margin-bottom: 20px; flex: 1; }
.service-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: var(--brand); }
.service-link i { transition: transform var(--dur) var(--ease); }
.service-card:hover .service-link i { transform: translateX(4px); }
.svc-wave {
    position: relative; z-index: 2; overflow: hidden;
    height: 128px; margin-top: 22px; border-radius: 0 0 var(--r-lg) var(--r-lg);
    background-size: cover; background-position: center;
    background-image:
        radial-gradient(120% 150% at 18% 0%, #c4b5fd 0%, transparent 52%),
        radial-gradient(120% 160% at 88% 15%, #a78bfa 0%, transparent 48%),
        radial-gradient(150% 180% at 55% 120%, #e879f9 0%, transparent 58%),
        linear-gradient(180deg, #ede9fe, #faf5ff);
}
/* Service image sits FADED behind the UPPER text area; the aurora .svc-wave strip
   stays as the card's bottom gradient. JS sets the card's background image + .has-img. */
.service-card.has-img {
    background-size: cover; background-position: center top; background-repeat: no-repeat;
}
.service-card.has-img::after {
    content: ''; position: absolute; inset: 0; z-index: 1; border-radius: inherit;
    background: linear-gradient(180deg, rgba(255, 255, 255, .60) 0%, rgba(255, 255, 255, .46) 48%, rgba(255, 255, 255, .4) 100%);
}
.svc-wave.alt {
    background:
        radial-gradient(120% 150% at 22% 0%, #bfdbfe 0%, transparent 52%),
        radial-gradient(120% 160% at 85% 10%, #c4b5fd 0%, transparent 48%),
        radial-gradient(150% 180% at 60% 120%, #a78bfa 0%, transparent 58%),
        linear-gradient(180deg, #eef2ff, #faf5ff);
}
.carousel-arrow {
    position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
    width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--line-strong);
    background: #fff; color: var(--ink); cursor: pointer; display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-sm); transition: all var(--dur) var(--ease);
}
.carousel-arrow:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.carousel-prev { left: -10px; }
.carousel-next { right: -10px; }

/* ==========================================================================
   Industries
   ========================================================================== */
.industries { background: #fff; }
.industries-layout { display: grid; grid-template-columns: 1fr 1.05fr; gap: 64px; align-items: center; }
.ind-list { margin: 30px 0 34px; border-left: 2px solid var(--line); }
.ind-item {
    display: flex; align-items: center; gap: 14px; padding: 12px 0 12px 22px; margin-left: -2px;
    border-left: 2px solid transparent; cursor: pointer;
    font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; letter-spacing: -.02em;
    color: #cfc8dd; transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.ind-item i { font-size: 1.05rem; opacity: 0; transform: translateX(-6px); transition: all var(--dur) var(--ease); color: var(--brand); }
.ind-item.active { color: var(--ink); border-left-color: var(--brand); }
.ind-item.active i { opacity: 1; transform: translateX(0); }
.ind-item:hover { color: var(--ink-soft); }
.ind-media { position: relative; border-radius: var(--r-lg); overflow: hidden; min-height: 420px; box-shadow: var(--shadow-md); }
.ind-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .7s var(--ease); }
.ind-media img.active { opacity: 1; }
.ind-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(76,29,149,.25), transparent 60%); }

/* ==========================================================================
   AI value band
   ========================================================================== */
.ai-band { background: radial-gradient(120% 120% at 85% 10%, #241041 0%, #140c22 45%, #0c0912 80%); color: #fff; position: relative; overflow: hidden; }
.ai-band .stars-canvas { position: absolute; inset: 0; opacity: .4; }
.ai-band .container { position: relative; z-index: 2; }
.ai-band .section-title, .ai-band .eyebrow { color: #fff; }
.ai-band .eyebrow { color: #d8b4fe; }
.ai-band .section-lead { color: var(--on-dark-soft); }
.ai-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 12px; }
.ai-card {
    padding: 30px 26px; border-radius: var(--r-md);
    background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .09);
    transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.ai-card:hover { transform: translateY(-6px); background: rgba(255, 255, 255, .07); border-color: rgba(216, 180, 254, .4); }
.ai-card-icon {
    width: 50px; height: 50px; border-radius: 13px; display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; color: #fff; background: linear-gradient(135deg, rgba(139,92,246,.9), rgba(217,70,239,.7)); margin-bottom: 20px;
}
.ai-card h3 { font-size: 1.14rem; font-weight: 600; margin-bottom: 10px; color: #fff; }
.ai-card p { color: var(--on-dark-soft); font-size: .93rem; line-height: 1.6; }

/* ==========================================================================
   Technology alliances
   ========================================================================== */
.alliances { background: var(--bg-soft); }
.alliances-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center; }
.logo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.logo-tile {
    aspect-ratio: 16 / 10; background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
    color: var(--ink-soft); transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.logo-tile:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.logo-tile i { font-size: 2.2rem; }
.logo-tile span { font-size: .78rem; font-weight: 600; color: var(--muted); }

/* ==========================================================================
   Portfolio (accordion)
   ========================================================================== */
.portfolio { background: #fff; }
.portfolio-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: 44px; }
.portfolio-accordion { display: flex; gap: 16px; height: 500px; }
.portfolio-accordion-item {
    position: relative; flex: 1; border-radius: var(--r-lg); overflow: hidden; cursor: pointer;
    transition: flex var(--dur) var(--ease); min-width: 74px;
}
.portfolio-accordion-item.active { flex: 5; cursor: default; }
.accordion-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform .8s var(--ease); }
.portfolio-accordion-item.active .accordion-bg { transform: scale(1.04); }
.accordion-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(12,9,18,.15) 0%, rgba(12,9,18,.4) 45%, rgba(12,9,18,.9) 100%); }
.accordion-content { position: absolute; inset: auto 0 0 0; padding: 32px; z-index: 2; opacity: 0; transform: translateY(14px); transition: all .5s var(--ease) .1s; }
.portfolio-accordion-item.active .accordion-content { opacity: 1; transform: none; }
.accordion-tag { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: #d8b4fe; margin-bottom: 12px; }
.accordion-content h3 { color: #fff; font-size: 1.7rem; font-weight: 700; letter-spacing: -.02em; margin-bottom: 12px; }
.accordion-content p { color: rgba(255,255,255,.82); font-size: .98rem; line-height: 1.6; max-width: 480px; margin-bottom: 20px; }
.accordion-link { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: #fff; padding: 11px 22px; border: 1.5px solid rgba(255,255,255,.4); border-radius: var(--r-full); transition: all var(--dur) var(--ease); }
.accordion-link:hover { background: #fff; color: var(--ink); }
.accordion-arrow {
    position: absolute; top: 24px; right: 24px; z-index: 2; width: 44px; height: 44px; border-radius: 50%;
    border: 1px solid rgba(255,255,255,.35); background: rgba(255,255,255,.12); color: #fff; cursor: pointer;
    display: flex; align-items: center; justify-content: center; backdrop-filter: blur(4px); transition: all var(--dur) var(--ease);
}
.portfolio-accordion-item.active .accordion-arrow { opacity: 0; pointer-events: none; }
.accordion-arrow:hover { background: #fff; color: var(--ink); }
.accordion-collapsed-title {
    position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%) rotate(180deg); writing-mode: vertical-rl;
    color: #fff; font-family: var(--font-display); font-weight: 600; font-size: 1rem; letter-spacing: .02em; white-space: nowrap;
    opacity: .9; transition: opacity var(--dur) var(--ease);
}
.portfolio-accordion-item.active .accordion-collapsed-title { opacity: 0; }

/* ==========================================================================
   Engagement models
   ========================================================================== */
.engagement { background: linear-gradient(180deg, #f7f4fd 0%, #ffffff 100%); }
.engagement-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.eng-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 36px 30px;
    display: flex; flex-direction: column; box-shadow: var(--shadow-sm);
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.eng-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.eng-card.featured { background: linear-gradient(160deg, #2a1250 0%, #140c22 100%); border-color: transparent; color: #fff; box-shadow: var(--shadow-lg); }
.eng-card h3 { font-size: 1.4rem; font-weight: 700; letter-spacing: -.02em; margin-bottom: 10px; }
.eng-card.featured h3 { color: #fff; }
.eng-sub { color: var(--ink-soft); font-size: .96rem; line-height: 1.6; }
.eng-card.featured .eng-sub { color: var(--on-dark-soft); }
.eng-divider { height: 1px; background: var(--line); margin: 24px 0; }
.eng-card.featured .eng-divider { background: rgba(255,255,255,.14); }
.eng-features { display: flex; flex-direction: column; gap: 13px; margin-bottom: 28px; flex: 1; }
.eng-features li { display: flex; align-items: center; gap: 12px; font-size: .95rem; color: var(--ink-soft); }
.eng-card.featured .eng-features li { color: #e5ddf5; }
.eng-features i { color: var(--brand); font-size: .95rem; }
.eng-card.featured .eng-features i { color: #d8b4fe; }
.btn-full { width: 100%; }

/* ==========================================================================
   Team / leadership
   ========================================================================== */
.team-section { background: var(--bg-soft); }
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.team-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 0 30px 36px; text-align: center;
    box-shadow: var(--shadow-sm); transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
    position: relative; overflow: hidden;
}
/* Aurora gradient banner behind the avatar */
.team-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 108px; z-index: 0;
    background:
        radial-gradient(120% 150% at 20% 0%, #c4b5fd 0%, transparent 55%),
        radial-gradient(130% 160% at 85% 8%, #a78bfa 0%, transparent 50%),
        radial-gradient(150% 190% at 60% 130%, #e879f9 0%, transparent 60%),
        linear-gradient(180deg, #ece7fe, #faf7ff);
}
.team-card:nth-child(2)::before {
    background:
        radial-gradient(120% 150% at 22% 0%, #bfdbfe 0%, transparent 55%),
        radial-gradient(130% 160% at 85% 8%, #c4b5fd 0%, transparent 50%),
        radial-gradient(150% 190% at 60% 130%, #a78bfa 0%, transparent 60%),
        linear-gradient(180deg, #eaf0ff, #faf7ff);
}
.team-card > * { position: relative; z-index: 1; }
.team-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--line-strong); }
.team-avatar { width: 118px; height: 118px; border-radius: 50%; margin: 48px auto 18px; padding: 4px; background: var(--grad); box-shadow: 0 12px 30px rgba(124, 58, 237, .3); }
.team-avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; border: 3px solid #fff; background: #eee; }
.team-name { font-size: 1.4rem; font-weight: 700; letter-spacing: -.02em; }
.team-role { margin-top: 5px; font-weight: 600; font-size: .98rem; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.team-company { margin-top: 3px; color: var(--muted); font-size: .9rem; }
.team-divider { height: 1px; background: var(--line); margin: 24px 0; }
.team-info { display: flex; flex-direction: column; gap: 15px; text-align: left; }
.team-info-row { display: flex; flex-direction: column; gap: 3px; }
.team-info-label { font-size: .7rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.team-info-value { font-size: .95rem; color: var(--ink); font-weight: 500; }
@media (max-width: 860px) { .team-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; } }

/* ==========================================================================
   Careers / CTA band
   ========================================================================== */
.careers { position: relative; overflow: hidden; padding: 150px 0; color: #fff; text-align: center; background: var(--dark); }
.careers-bg { position: absolute; inset: 0; z-index: -2; }
.careers-bg img { width: 100%; height: 100%; object-fit: cover; }
.careers::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(120deg, rgba(76,29,149,.86), rgba(12,9,18,.78) 55%, rgba(192,38,211,.55)); }
.careers h2 { font-size: clamp(2rem, 4.4vw, 3.4rem); font-weight: 700; letter-spacing: -.03em; color: #fff; max-width: 760px; margin: 0 auto; }
.careers p { margin: 20px auto 34px; color: rgba(255,255,255,.85); font-size: 1.12rem; max-width: 540px; }

/* ==========================================================================
   Contact (dark band, white form card)
   ========================================================================== */
.contact { position: relative; overflow: hidden; padding: 110px 0; background: radial-gradient(120% 120% at 90% 20%, #3a0f5c 0%, #180b2c 42%, #0c0912 78%); color: #fff; }
.contact-glow { position: absolute; right: -80px; bottom: -120px; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle, rgba(217,70,239,.5), transparent 68%); filter: blur(10px); pointer-events: none; }
.contact-layout { display: grid; grid-template-columns: 1fr 1.05fr; gap: 60px; align-items: center; position: relative; z-index: 2; }
.contact-intro .eyebrow { color: #d8b4fe; }
.contact-intro h2 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; letter-spacing: -.03em; }
.contact-intro > p { margin: 18px 0 32px; color: var(--on-dark-soft); font-size: 1.06rem; max-width: 440px; }
.contact-details { display: flex; flex-direction: column; gap: 20px; margin-bottom: 30px; }
.contact-detail { display: flex; align-items: center; gap: 16px; }
.contact-detail .ci { width: 46px; height: 46px; border-radius: 12px; flex: 0 0 46px; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); color: #d8b4fe; font-size: 1.05rem; }
.contact-detail h4 { font-size: .8rem; color: rgba(255,255,255,.55); font-weight: 600; letter-spacing: .04em; margin-bottom: 3px; }
.contact-detail p, .contact-detail a { font-size: 1rem; color: #fff; }
.contact-social { display: flex; gap: 12px; }
.contact-social a { width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); color: #fff; transition: all var(--dur) var(--ease); }
.contact-social a:hover { background: var(--grad); border-color: transparent; transform: translateY(-3px); }

.contact-card { background: #fff; border-radius: var(--r-xl); padding: 40px; box-shadow: var(--shadow-lg); color: var(--ink); }
.contact-card h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 6px; }
.contact-card .cc-sub { color: var(--muted); font-size: .95rem; margin-bottom: 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-input {
    width: 100%; padding: 14px 16px; font-family: var(--font-body); font-size: .96rem; color: var(--ink);
    background: #faf9fd; border: 1.5px solid var(--line); border-radius: var(--r-sm); transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.form-input::placeholder { color: #a49fb2; }
.form-input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(124, 58, 237, .12); background: #fff; }
.form-textarea { resize: vertical; min-height: 120px; }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='%237b7688' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }
.math-captcha { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; background: #faf9fd; border: 1.5px solid var(--line); border-radius: var(--r-sm); padding: 12px 16px; }
.math-captcha-question { font-size: .95rem; color: var(--ink-soft); }
.math-captcha-input { flex: 1; min-width: 120px; padding: 10px 14px; background: #fff; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--bg-soft); border-top: 1px solid var(--line); color: var(--ink-soft); }
.footer-top { padding: 76px 0 54px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand .footer-logo .logo-text { color: var(--ink); }
.footer-brand .footer-logo .logo-accent { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.footer-brand p { margin: 18px 0 22px; font-size: .95rem; line-height: 1.7; max-width: 320px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: #fff; border: 1px solid var(--line); color: var(--ink-soft); transition: all var(--dur) var(--ease); }
.footer-social a:hover { background: var(--brand); color: #fff; border-color: var(--brand); transform: translateY(-3px); }
.footer-col h4 { font-family: var(--font-display); font-size: .82rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ink); margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col a { font-size: .93rem; color: var(--ink-soft); transition: color var(--dur) var(--ease); }
.footer-col a:hover { color: var(--brand); }
.footer-subscribe { margin-top: 42px; padding: 40px 0 8px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-subscribe h4 { font-size: 1.05rem; font-weight: 700; color: var(--ink); }
.footer-subscribe p { font-size: .9rem; color: var(--muted); margin-top: 2px; }
.subscribe-form { display: flex; gap: 10px; }
.subscribe-form input { padding: 12px 18px; border-radius: var(--r-full); border: 1.5px solid var(--line); background: #fff; font-size: .92rem; min-width: 260px; }
.subscribe-form input:focus { outline: none; border-color: var(--brand); }
.footer-bottom { border-top: 1px solid var(--line); padding: 22px 0; }
.footer-bottom .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-legal { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-legal a { font-size: .85rem; color: var(--muted); }
.footer-legal a:hover { color: var(--brand); }
.footer-copy { font-size: .85rem; color: var(--muted); }

/* ==========================================================================
   Scroll-to-top
   ========================================================================== */
.scroll-top {
    position: fixed; bottom: 100px; right: 28px; z-index: 900; width: 50px; height: 50px; border-radius: 50%;
    background: var(--brand); color: #fff; border: 0; cursor: pointer; display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transform: translateY(14px); transition: all var(--dur) var(--ease); box-shadow: 0 12px 26px rgba(109,40,217,.36);
}
.scroll-top.visible { opacity: 1; visibility: visible; transform: none; }
.scroll-top:hover { background: var(--brand-deep); transform: translateY(-3px); }

/* ==========================================================================
   Chat widget
   ========================================================================== */
.chat-widget { position: fixed; bottom: 26px; right: 26px; z-index: 950; }
.chat-toggle { position: relative; width: 60px; height: 60px; border-radius: 50%; border: 0; cursor: pointer; background: var(--grad); color: #fff; font-size: 1.5rem; box-shadow: 0 14px 30px rgba(124,58,237,.4); transition: transform var(--dur) var(--ease); }
.chat-toggle:hover { transform: scale(1.06); }
.chat-toggle.active i { transform: rotate(90deg); }
.chat-badge { position: absolute; top: 6px; right: 6px; width: 12px; height: 12px; border-radius: 50%; background: #34d399; border: 2px solid #fff; }

/* Dimmed backdrop behind the modal */
.chat-backdrop { position: fixed; inset: 0; background: rgba(8,5,14,.62); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); opacity: 0; visibility: hidden; transition: opacity var(--dur) var(--ease); z-index: -1; }
.chat-widget.chat-open .chat-backdrop { opacity: 1; visibility: visible; }

/* Centered modal panel */
.chat-panel {
    position: fixed; top: 50%; left: 50%; transform: translate(-50%, -46%) scale(.98);
    width: min(500px, 92vw); height: min(600px, 78vh);
    background: radial-gradient(120% 100% at 50% 0%, #1b1032 0%, #130c22 55%, #0c0812 100%);
    border: 1px solid rgba(255,255,255,.1); border-radius: 22px;
    box-shadow: 0 40px 100px rgba(0,0,0,.6); color: #fff;
    display: flex; flex-direction: column; overflow: hidden;
    opacity: 0; visibility: hidden; transition: all var(--dur) var(--ease);
}
.chat-panel.open { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }

.chat-header { display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-bottom: 1px solid rgba(255,255,255,.08); }
.chat-header-avatar { width: 38px; height: 38px; border-radius: 11px; background: var(--grad); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1rem; }
.chat-header-info h4 { color: #fff; font-size: 1rem; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.chat-header-info p { font-size: .78rem; color: rgba(255,255,255,.5); }
.chat-live { display: inline-flex; align-items: center; gap: 5px; font-size: .72rem; font-weight: 600; color: #34d399; }
.chat-status-dot { width: 7px; height: 7px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 3px rgba(52,211,153,.18); }
.chat-header-actions { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.chat-new, .chat-close { width: 34px; height: 34px; border-radius: 9px; border: 0; background: rgba(255,255,255,.06); color: rgba(255,255,255,.7); cursor: pointer; font-size: .95rem; transition: all var(--dur) var(--ease); }
.chat-new:hover, .chat-close:hover { background: rgba(255,255,255,.14); color: #fff; }

.chat-body { flex: 1; overflow-y: auto; padding: 24px; display: flex; flex-direction: column; }

/* Welcome screen (shown before the conversation starts) */
.chat-welcome { margin: auto; text-align: center; max-width: 440px; padding: 12px 6px; }
.chat-welcome-icon { width: 60px; height: 60px; border-radius: 17px; margin: 0 auto 18px; background: rgba(124,58,237,.16); border: 1px solid rgba(168,85,247,.35); display: flex; align-items: center; justify-content: center; color: #c4b5fd; font-size: 1.6rem; }
.chat-welcome h3 { color: #fff; font-size: 1.4rem; font-weight: 700; letter-spacing: -.02em; margin-bottom: 10px; }
.chat-welcome p { color: rgba(255,255,255,.6); font-size: .94rem; line-height: 1.55; margin: 0 auto 22px; max-width: 380px; }
.chat-welcome-chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.chat-welcome-chip { padding: 10px 16px; border-radius: var(--r-full); border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.04); color: rgba(255,255,255,.85); font-family: var(--font-body); font-size: .87rem; cursor: pointer; transition: all var(--dur) var(--ease); }
.chat-welcome-chip:hover { background: rgba(124,58,237,.24); border-color: rgba(168,85,247,.5); color: #fff; transform: translateY(-2px); }
.chat-panel.chatting .chat-welcome { display: none; }

.chat-messages { display: flex; flex-direction: column; gap: 16px; }
.chat-panel:not(.chatting) .chat-messages { display: none; }

.chat-typing { display: none; align-items: center; gap: 10px; padding: 8px 24px 4px; }
.chat-avatar-bot { width: 30px; height: 30px; border-radius: 50%; background: var(--grad); color: #fff; display: flex; align-items: center; justify-content: center; font-size: .8rem; }
.chat-typing-dots { display: flex; gap: 4px; }
.chat-typing-dots span { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,.4); animation: chatdot 1.2s infinite; }
.chat-typing-dots span:nth-child(2) { animation-delay: .2s; }
.chat-typing-dots span:nth-child(3) { animation-delay: .4s; }
@keyframes chatdot { 0%,60%,100% { opacity: .3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-4px); } }

.chat-quick-replies { display: none; }

.chat-input-area { display: flex; align-items: center; gap: 10px; padding: 16px 20px; border-top: 1px solid rgba(255,255,255,.08); }
.chat-input { flex: 1; padding: 14px 18px; border-radius: var(--r-full); border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.05); color: #fff; font-size: .96rem; font-family: var(--font-body); }
.chat-input::placeholder { color: rgba(255,255,255,.4); }
.chat-input:focus { outline: none; border-color: rgba(168,85,247,.6); background: rgba(255,255,255,.08); }
.chat-mic, .chat-send { width: 48px; height: 48px; flex: 0 0 48px; border-radius: 50%; border: 0; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all var(--dur) var(--ease); }
.chat-mic { background: rgba(255,255,255,.06); color: rgba(255,255,255,.7); border: 1px solid rgba(255,255,255,.14); }
.chat-mic:hover { background: rgba(255,255,255,.12); color: #fff; }
.chat-send { background: var(--grad); color: #fff; }
.chat-send:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(124,58,237,.4); }

/* Message bubbles (dark) */
.chat-message { display: flex; gap: 10px; max-width: 82%; }
.chat-message-user { align-self: flex-end; flex-direction: row-reverse; }
.chat-message-bot { align-self: flex-start; }
.chat-bubble-user { background: var(--grad); color: #fff; padding: 12px 16px; border-radius: 16px; border-bottom-right-radius: 4px; font-size: .95rem; line-height: 1.55; }
.chat-bubble-bot { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); color: #ececf2; padding: 12px 16px; border-radius: 16px; border-bottom-left-radius: 4px; font-size: .95rem; line-height: 1.6; }
.chat-bubble-bot ul { margin: 8px 0 0; padding-left: 18px; }
.chat-bubble-bot li { margin-bottom: 4px; }
.chat-bubble-bot strong { color: #d8b4fe; }

/* Handoff form (dark) */
.chat-handoff { display: none; padding: 16px 20px; border-top: 1px solid rgba(255,255,255,.08); }
.chat-handoff h5 { margin-bottom: 10px; font-size: .95rem; color: #fff; }
.chat-handoff input, .chat-handoff textarea { width: 100%; margin-bottom: 8px; padding: 11px 14px; border-radius: 10px; border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.05); color: #fff; font-size: .9rem; font-family: inherit; }
.chat-handoff input::placeholder, .chat-handoff textarea::placeholder { color: rgba(255,255,255,.4); }
.chat-handoff button { width: 100%; padding: 12px; border: 0; border-radius: 10px; background: var(--grad); color: #fff; font-weight: 600; cursor: pointer; }
.chat-handoff-success { text-align: center; color: #fff; }
.chat-handoff-success i { color: #34d399; font-size: 1.7rem; margin-bottom: 8px; display: block; }
.chat-handoff-success p { font-size: .92rem; margin-bottom: 4px; }

/* ==========================================================================
   Ask-AI launcher (inline chat entry, hero-adjacent)
   ========================================================================== */
.ask-ai {
    position: relative; overflow: hidden;
    background: radial-gradient(120% 130% at 50% -10%, #22103f 0%, #140c22 48%, #0b0810 82%);
    padding: 88px 0; border-top: 1px solid rgba(255, 255, 255, .06);
}
.ask-ai::before {
    content: ''; position: absolute; top: -140px; left: 50%; transform: translateX(-50%);
    width: 620px; height: 320px; background: radial-gradient(circle, rgba(168, 85, 247, .28), transparent 70%);
    filter: blur(20px); pointer-events: none;
}
.ask-inner { position: relative; z-index: 2; max-width: 780px; margin: 0 auto; text-align: center; }
.ask-inner .eyebrow { justify-content: center; color: #d8b4fe; }
.ask-inner .eyebrow::before { display: none; }
.ask-ai h2 { color: #fff; font-size: clamp(1.9rem, 3.6vw, 2.7rem); font-weight: 700; letter-spacing: -.03em; }
.ask-sub { color: var(--on-dark-soft); font-size: 1.08rem; margin: 16px auto 32px; max-width: 560px; }
.ask-box {
    display: flex; align-items: center; gap: 10px;
    background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .16);
    border-radius: var(--r-full); padding: 8px; box-shadow: var(--shadow-lg); backdrop-filter: blur(8px);
    max-width: 680px; margin: 0 auto;
}
.ask-icon { width: 48px; height: 48px; flex: 0 0 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--grad); color: #fff; font-size: 1.05rem; }
.ask-input { flex: 1; min-width: 0; background: transparent; border: 0; outline: none; color: #fff; font-family: var(--font-body); font-size: 1.02rem; padding: 12px 6px; }
.ask-input::placeholder { color: rgba(255, 255, 255, .5); }
.ask-typed { flex: 1; min-width: 0; display: flex; align-items: center; padding: 12px 6px; color: rgba(255, 255, 255, .62); font-family: var(--font-body); font-size: 1.02rem; overflow: hidden; white-space: nowrap; }
.ask-cursor { display: inline-block; width: 2px; height: 18px; background: #a855f7; margin-left: 3px; flex-shrink: 0; animation: askblink 1s steps(1) infinite; }
@keyframes askblink { 50% { opacity: 0; } }
.hero-ask .ask-box { cursor: pointer; }
.hero-ask .ask-box:hover { border-color: rgba(168, 85, 247, .45); }
.ask-send {
    display: inline-flex; align-items: center; gap: 9px; flex: 0 0 auto;
    padding: 14px 24px; border: 0; border-radius: var(--r-full); cursor: pointer; white-space: nowrap;
    background: var(--grad); color: #fff; font-family: var(--font-body); font-weight: 600; font-size: .96rem;
    box-shadow: 0 10px 24px rgba(124, 58, 237, .35); transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.ask-send:hover { transform: translateY(-2px); box-shadow: 0 16px 30px rgba(124, 58, 237, .45); }
.ask-chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 20px; }
.ask-chip {
    padding: 10px 18px; border-radius: var(--r-full); cursor: pointer;
    border: 1px solid rgba(255, 255, 255, .16); background: rgba(255, 255, 255, .04);
    color: #e8def8; font-family: var(--font-body); font-size: .9rem;
    transition: all var(--dur) var(--ease);
}
.ask-chip:hover { background: rgba(255, 255, 255, .1); border-color: rgba(216, 180, 254, .55); transform: translateY(-2px); }
.ask-status {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    margin-top: 26px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .08);
    color: rgba(255, 255, 255, .62); font-size: .9rem;
}
.ask-dot { width: 9px; height: 9px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 4px rgba(52, 211, 153, .2); animation: askpulse 2.2s ease-in-out infinite; }
@keyframes askpulse { 0%, 100% { box-shadow: 0 0 0 4px rgba(52, 211, 153, .2); } 50% { box-shadow: 0 0 0 7px rgba(52, 211, 153, .08); } }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
    .insights-grid { grid-template-columns: repeat(2, 1fr); }
    .insight-card:nth-child(1) { grid-row: auto; min-height: 340px; }
    .ai-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-row { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
    .industries-layout, .alliances-layout, .contact-layout { grid-template-columns: 1fr; gap: 44px; }
    .engagement-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
    .footer-grid { grid-template-columns: 1fr 1fr 1fr; row-gap: 40px; }
    .footer-brand { grid-column: 1 / -1; }
    .hero-inner { grid-template-columns: 1fr; gap: 30px; }
    .hero-text { max-width: 760px; }
    .hero-visual { min-height: 380px; }
    .tech-orb { width: 340px; height: 340px; }
}

@media (max-width: 860px) {
    .main-nav {
        position: fixed; inset: 0 0 0 auto; width: min(80vw, 340px); background: #fff;
        flex-direction: column; padding: 100px 28px 40px; transform: translateX(100%);
        transition: transform var(--dur) var(--ease); box-shadow: -20px 0 60px rgba(0,0,0,.18); z-index: 999;
    }
    .main-nav.active { transform: translateX(0); }
    .main-nav .nav-menu { flex-direction: column; align-items: stretch; gap: 4px; }
    .nav-link { color: var(--ink-soft) !important; padding: 13px 16px; font-size: 1.02rem; }
    .nav-link:hover, .nav-link.active { color: var(--brand) !important; background: rgba(124,58,237,.09) !important; }
    .mobile-toggle { display: flex; z-index: 1001; }
    .nav-cta .header-btn { display: none; }
    .portfolio-accordion { flex-direction: column; height: auto; }
    .portfolio-accordion-item { min-height: 120px; }
    .portfolio-accordion-item.active { min-height: 420px; }
    .accordion-collapsed-title { writing-mode: horizontal-tb; transform: translateX(-50%); bottom: 20px; }
    .section { padding: 78px 0; }
    .hero { padding: 120px 0 76px; }
    .hero-visual { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .chat-widget { right: 16px; bottom: 20px; }
    .scroll-top { bottom: 88px; right: 16px; }
}

@media (max-width: 560px) {
    .container { padding: 0 20px; }
    .insights-grid, .ai-grid, .stats-row, .logo-grid, .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .service-card { flex-basis: 280px; width: 280px; }
    .subscribe-form { width: 100%; }
    .subscribe-form input { min-width: 0; flex: 1; }
    .contact-card { padding: 26px 22px; }
    .footer-subscribe { flex-direction: column; align-items: flex-start; }

    /* Fluid typography so nothing overflows narrow screens */
    .hero { padding: 130px 0 76px; }
    .hero-title { font-size: clamp(2.1rem, 10vw, 2.7rem); }
    .hero-desc { font-size: 1.02rem; }
    .hero-badge { font-size: .72rem; padding: 7px 13px 7px 11px; line-height: 1.35; }
    .hero-buttons { flex-direction: column; align-items: stretch; }
    .hero-buttons .btn { width: 100%; }
    .hero-ask { max-width: 100%; }
    .ask-box { flex-wrap: wrap; }
    .ask-send { width: 100%; justify-content: center; }
    .section-title, .intro-title, .contact-intro h2, .careers h2 { font-size: clamp(1.8rem, 8vw, 2.2rem); }
    .stat-num { font-size: clamp(2.4rem, 12vw, 3rem); }
    .ind-item { font-size: 1.28rem; }
    .insight-title { font-size: .98rem; }
    .insights-head, .services-head, .portfolio-head { gap: 16px; }

    /* Chat modal → fullscreen on phones */
    .chat-panel { width: 100vw; height: 100vh; height: 100dvh; max-width: 100vw; border-radius: 0; top: 0; left: 0; transform: translateY(14px); }
    .chat-panel.open { transform: none; }
    .chat-body { padding: 18px; }
    .chat-welcome h3 { font-size: 1.35rem; }
    .chat-welcome p { font-size: .94rem; }
    .chat-welcome-icon { width: 62px; height: 62px; font-size: 1.6rem; }
    .chat-welcome-chip { font-size: .86rem; padding: 10px 16px; }
    .chat-input-area { padding: 14px 16px; }
}

/* ==========================================================================
   Motion & polish  (scroll progress · staggered reveals · hero entrance ·
   gradient shimmer · hover micro-interactions) — livelier, more attractive UX
   ========================================================================== */

/* Thin scroll-progress indicator across the very top */
.scroll-progress {
    position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 1100;
    background: var(--grad); box-shadow: 0 0 12px rgba(192, 38, 211, .55);
    transition: width .12s linear; pointer-events: none;
}

/* Staggered child reveal: containers tagged .stagger receive .visible from the
   IntersectionObserver, then their children animate in one after another. */
.stagger > * {
    opacity: 0; transform: translateY(28px);
    transition: opacity .6s var(--ease), transform .6s var(--ease),
        box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.stagger.visible > * { opacity: 1; transform: none; }
.stagger.visible > *:nth-child(1) { transition-delay: .04s; }
.stagger.visible > *:nth-child(2) { transition-delay: .12s; }
.stagger.visible > *:nth-child(3) { transition-delay: .20s; }
.stagger.visible > *:nth-child(4) { transition-delay: .28s; }
.stagger.visible > *:nth-child(5) { transition-delay: .36s; }
.stagger.visible > *:nth-child(6) { transition-delay: .44s; }
.stagger.visible > *:nth-child(7) { transition-delay: .52s; }
.stagger.visible > *:nth-child(8) { transition-delay: .60s; }
.stagger.visible > *:nth-child(9) { transition-delay: .68s; }
.stagger.visible > *:nth-child(n+10) { transition-delay: .74s; }

/* Hero entrance — plays in as the preloader fades away */
.hero-text > * { opacity: 0; animation: heroUp .8s var(--ease) forwards; }
.hero-text > .hero-badge { animation-delay: 1.20s; }
.hero-text > .hero-title { animation-delay: 1.34s; }
.hero-text > .hero-desc  { animation-delay: 1.50s; }
.hero-text > .hero-ask   { animation-delay: 1.66s; }
.hero-visual { opacity: 0; animation: heroFade 1.1s var(--ease) 1.42s forwards; }
@keyframes heroUp { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
@keyframes heroFade { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: none; } }

/* Subtle animated shimmer across gradient headings */
.gradient-text { background-size: 220% auto; animation: gradShimmer 7s ease-in-out infinite; }
.preloader-text .gradient-text { animation: none; }
@keyframes gradShimmer { 0%, 100% { background-position: 0% center; } 50% { background-position: 100% center; } }

/* Hover micro-interactions */
.service-icon { transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.service-card:hover .service-icon { transform: translateY(-4px) rotate(-6deg) scale(1.06); box-shadow: 0 16px 30px rgba(124, 58, 237, .42); }
.ai-card-icon { transition: transform var(--dur) var(--ease); }
.ai-card:hover .ai-card-icon { transform: rotate(-6deg) scale(1.08); }
.team-avatar { transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.team-card:hover .team-avatar { transform: scale(1.06); box-shadow: 0 16px 36px rgba(124, 58, 237, .4); }
.stat-block { transition: transform var(--dur) var(--ease); }
.stat-block:hover { transform: translateY(-4px); }
.logo-tile i { transition: transform var(--dur) var(--ease); }
.logo-tile:hover i { transform: scale(1.12) translateY(-2px); }
.insight-tag, .accordion-tag { transition: color var(--dur) var(--ease); }

/* Nav underline sweep on hover */
.nav-link { position: relative; }

/* Honour reduced-motion preferences */
@media (prefers-reduced-motion: reduce) {
    .stagger > * { opacity: 1 !important; transform: none !important; transition: none !important; }
    .hero-text > *, .hero-visual { opacity: 1 !important; animation: none !important; }
    .gradient-text { animation: none !important; }
    .scroll-progress { transition: none; }
}