:root {
    --bg-main: #050505;
    --bg-card: rgba(20, 20, 20, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-muted: #888890;
    --accent: #4ade80; 
    --accent-glow: rgba(74, 222, 128, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
}
body.loading {
    overflow: hidden;
}

/* Preloader Animation */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #020202;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: transform 1.2s cubic-bezier(0.77, 0, 0.175, 1);
}
.preloader-content {
    display: flex;
    gap: 0.5rem;
    overflow: hidden;
}
.preloader-text {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: -1px;
    color: var(--text-primary);
    transform: translateY(100%);
    opacity: 0;
}
.preloader-text.accent {
    color: var(--accent);
}
.preloader-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 4px;
    background: var(--accent);
    width: 0%;
}

/* Background Mesh Effect */
.mesh-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: 
        radial-gradient(circle at 15% 50%, rgba(74, 222, 128, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

/* Premium Navigation */
.premium-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    transition: background 0.4s ease, padding 0.4s ease, transform 0.4s ease;
}
.premium-nav.scrolled {
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(16px);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.premium-nav.hidden {
    transform: translateY(-100%);
}
.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-container .logo {
    font-weight: 900;
    font-size: 1.25rem;
    text-decoration: none;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}
.nav-container .logo .accent {
    color: var(--accent);
}
.nav-container .links {
    display: flex;
    gap: 3rem;
}
.nav-container .links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    transition: color 0.3s ease;
    display: inline-block;
}
.nav-container .links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 1px;
    background: var(--accent);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-container .links a:hover {
    color: var(--text-primary);
}
.nav-container .links a:hover::after {
    width: 100%;
}

/* Language Switcher */
.lang-switch {
    display: flex;
    gap: 0.5rem;
}
.lang-switch button {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}
.lang-switch button:hover {
    color: var(--text-primary);
}
.lang-switch button.active {
    color: var(--bg-main);
    background: var(--text-primary);
}

/* Premium Hero */
.premium-hero {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 10vh;
}
.hero-content {
    overflow: hidden;
}
.premium-hero h1 {
    font-size: 6rem;
    font-weight: 900;
    letter-spacing: -3px;
    line-height: 1;
    margin-bottom: 1rem;
}
.gradient-text {
    background: linear-gradient(135deg, var(--text-primary), #555);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.premium-hero p {
    color: var(--text-muted);
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}
/* Reveal Text Animations */
.reveal-text {
    opacity: 0;
    transform: translateY(100%);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-text.visible {
    opacity: 1;
    transform: translateY(0);
}
.delay-1 {
    transition-delay: 0.15s;
}

/* Main Container & Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}
.bento-section {
    padding: 6rem 0;
}
.section-header {
    margin-bottom: 3.5rem;
}
.section-header h2 {
    font-size: 2.5rem;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
}
.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Bento Grid System */
.bento-grid {
    display: grid;
    gap: 1.5rem;
}
.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}
.bento-masonry {
    grid-template-columns: repeat(2, 1fr);
}
.bento-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform-style: preserve-3d; 
}
.bento-card > * {
    transform: translateZ(20px); /* 3D pop effect */
}
.bento-masonry .bento-card {
    grid-column: span 1;
}
.bento-masonry .bento-card.large {
    grid-column: span 2;
}

/* Card Content Styling */
.card-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.instruction {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Visual Placeholders */
.visual-placeholder {
    flex-grow: 1;
    border-radius: 12px;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 150px;
    margin-bottom: 0.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

/* Dynamic glow effect injected via JS */
.bento-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(800px circle at var(--mouse-x) var(--mouse-y), rgba(255, 255, 255, 0.05), transparent 40%);
    z-index: 0;
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
    transform: translateZ(0); /* keep flat */
}
.bento-card:hover::before {
    opacity: 1;
}

/* Fade in Animation */
.fade-in {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Premium Noise Overlay */
.noise-bg {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    pointer-events: none;
    z-index: 9998;
    opacity: 0.025;
    background: url('data:image/svg+xml;utf8,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)"/%3E%3C/svg%3E');
}

/* AI Chatbot Styles */
.chatbot-widget {
    position: fixed; bottom: 30px; right: 30px; z-index: 9999;
}
.chatbot-toggle {
    width: 65px; height: 65px; border-radius: 50%;
    background: var(--text-primary); color: var(--bg-main);
    border: none; box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    display: flex; align-items: center; justify-content: center;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
}
.chatbot-toggle:hover {
    transform: scale(1.1) rotate(5deg);
}
.chatbot-toggle svg {
    width: 30px; height: 30px; fill: currentColor;
}
.chatbot-window {
    position: absolute; bottom: 90px; right: 0;
    width: 360px; height: 500px;
    background: rgba(10, 10, 10, 0.85); backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 20px;
    display: flex; flex-direction: column; overflow: hidden;
    transform-origin: bottom right; transform: scale(0.9) translateY(20px);
    opacity: 0; pointer-events: none;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
    box-shadow: 0 30px 60px rgba(0,0,0,0.8);
}
.chatbot-window.active {
    transform: scale(1) translateY(0);
    opacity: 1; pointer-events: auto;
}
.chat-header {
    padding: 20px; border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex; justify-content: space-between; align-items: center; background: rgba(0,0,0,0.4);
}
.chat-header h3 {
    margin: 0; font-size: 1rem; font-weight: 600;
    display: flex; align-items: center; gap: 10px; color: var(--text-primary);
}
.status-dot {
    width: 8px; height: 8px; background: var(--accent);
    border-radius: 50%; box-shadow: 0 0 10px var(--accent);
    animation: pulseDot 2s infinite;
}
@keyframes pulseDot {
    0% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.4); }
    70% { box-shadow: 0 0 0 6px rgba(74, 222, 128, 0); }
    100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}
.chat-close {
    background: none; border: none; color: var(--text-muted);
    font-size: 1.2rem; transition: color 0.2s;
    cursor: pointer;
}
.chat-close:hover { color: var(--text-primary); }
.chat-messages {
    flex: 1; padding: 20px; overflow-y: auto;
    display: flex; flex-direction: column; gap: 16px;
}
.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }
.message {
    max-width: 85%; padding: 14px 18px; border-radius: 14px;
    font-size: 0.9rem; line-height: 1.5;
    animation: messageSlide 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0; transform: translateY(15px);
}
@keyframes messageSlide { to { opacity: 1; transform: translateY(0); } }
.msg-ai {
    background: rgba(255, 255, 255, 0.03); color: var(--text-primary);
    align-self: flex-start; border-bottom-left-radius: 4px;
    border: 1px solid rgba(255,255,255,0.05);
}
.msg-user {
    background: var(--text-primary); color: var(--bg-main);
    align-self: flex-end; border-bottom-right-radius: 4px; font-weight: 500;
}
.chat-input-container {
    padding: 16px 20px; border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex; gap: 10px; background: rgba(0,0,0,0.3);
}
.chat-input-container input {
    flex: 1; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px; padding: 12px 16px; color: var(--text-primary);
    font-family: 'Inter', sans-serif; outline: none; transition: border-color 0.3s, background 0.3s;
}
.chat-input-container input:focus {
    border-color: rgba(255, 255, 255, 0.3); background: rgba(255, 255, 255, 0.08);
}
.chat-input-container button {
    background: var(--text-primary); color: var(--bg-main);
    border: none; border-radius: 10px; padding: 0 16px; transition: transform 0.2s, background 0.2s;
    cursor: pointer;
}
.chat-input-container button:active { transform: scale(0.92); }
.chat-input-container button svg { width: 20px; height: 20px; fill: currentColor; display: block; }

/* Responsive */
@media (max-width: 900px) {
    .premium-nav { padding: 1rem 0; }
    .nav-container { padding: 0 1.5rem; }
    .nav-container .links { display: none; }
    .premium-hero h1 { font-size: 3.5rem; }
    .grid-3, .bento-masonry { grid-template-columns: 1fr; gap: 1rem; }
    .bento-masonry .bento-card, .bento-masonry .bento-card.large { grid-column: span 1; min-height: 250px; }
    .bento-section { padding: 4rem 0; }
    .section-header h2 { font-size: 2.2rem; }
}

@media (max-width: 600px) {
    .premium-hero h1 { font-size: 2.4rem; letter-spacing: -1px; }
    .premium-hero p { font-size: 1rem; }
    .nav-container { padding: 0 1.2rem; }
    .container { padding: 0 1.2rem; }
    .bento-card { padding: 1.2rem; min-height: 200px !important; }
    .section-header h2 { font-size: 1.8rem; }
    .section-header p { font-size: 0.95rem; }
    .preloader-text { font-size: 2rem; }
    .card-content h3 { font-size: 1.2rem; }
    .instruction { font-size: 0.85rem; }
}

/* --- PREMIUM B2B UPGRADES --- */

/* 1. Dynamic Noise */
@keyframes noiseShift {
    0% { transform: translate(0,0); }
    20% { transform: translate(-5%, 5%); }
    40% { transform: translate(5%, -5%); }
    60% { transform: translate(-5%, -5%); }
    80% { transform: translate(5%, 5%); }
    100% { transform: translate(0,0); }
}
.noise-bg {
    animation: noiseShift 4s steps(10) infinite;
    width: 110vw; height: 110vh; top: -5vh; left: -5vw;
}

/* 2. Page Transition Overlay */
.page-transition-overlay {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background: #050505; z-index: 10001; pointer-events: none;
    transform: translateY(100%);
    transition: transform 0.7s cubic-bezier(0.77, 0, 0.175, 1);
    display: flex; align-items: center; justify-content: center;
}
.page-transition-overlay.active {
    transform: translateY(0); pointer-events: all;
}
.transition-logo {
    font-size: 2rem; font-weight: 900; color: #fff; opacity: 0;
    transition: opacity 0.3s;
}
.page-transition-overlay.active .transition-logo {
    opacity: 1; transition-delay: 0.4s;
}

/* 3. Infinite Marquee (Trust Ticker) */
.ticker-wrap {
    width: 100%; overflow: hidden; background: rgba(255,255,255,0.015);
    padding: 1.5rem 0; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color);
    margin: 2rem 0 4rem 0;
}
.ticker {
    display: flex; white-space: nowrap; animation: ticker 25s linear infinite;
    width: max-content;
}
.ticker-item {
    font-size: 0.85rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase;
    letter-spacing: 2px; margin: 0 3rem; display: flex; align-items: center; gap: 10px;
}
.ticker-item span.dot {
    width: 6px; height: 6px; background: var(--accent); border-radius: 50%;
}
@keyframes ticker {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(-50%, 0, 0); }
}

/* 4. Text Masking */
.text-mask-wrap { overflow: hidden; display: inline-block; vertical-align: top; }
.text-mask-word { 
    display: inline-block; transform: translateY(110%); opacity: 0;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.8s ease;
}
.text-mask-word.revealed { transform: translateY(0); opacity: 1; }

/* 5. SVG Line Drawing Button */
.btn-premium {
    position: relative; background: transparent; color: var(--text-primary);
    padding: 1rem 2rem; border: none; font-size: 0.95rem; font-weight: 600;
    cursor: pointer; overflow: hidden; transition: color 0.3s;
    text-decoration: none; display: inline-flex; align-items: center; gap: 10px;
}
.btn-premium::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    border: 1px solid var(--border-color); border-radius: 8px; box-sizing: border-box;
}
.btn-premium .line {
    position: absolute; background: var(--accent);
}
.btn-premium .line-top { top: 0; left: -100%; width: 100%; height: 1px; transition: left 0.3s ease; }
.btn-premium .line-bottom { bottom: 0; right: -100%; width: 100%; height: 1px; transition: right 0.3s ease; }
.btn-premium .line-left { bottom: -100%; left: 0; width: 1px; height: 100%; transition: bottom 0.3s ease; }
.btn-premium .line-right { top: -100%; right: 0; width: 1px; height: 100%; transition: top 0.3s ease; }

.btn-premium:hover .line-top { left: 0; }
.btn-premium:hover .line-bottom { right: 0; }
.btn-premium:hover .line-left { bottom: 0; }
.btn-premium:hover .line-right { top: 0; }
.btn-premium:hover { color: var(--accent); }