/* ============================
   VECTORAISTACK — BRUTALIST DESIGN SYSTEM
   ============================ */

:root {
    --black: #000000;
    --white: #FFFFFF;
    --off-white: #F0F0F0;
    --gray: #888888;
    --dark-gray: #1A1A1A;
    --mid-gray: #333333;
    --accent: #CCFF00;
    --accent-hot: #FF4D00;
    --danger: #FF0033;
    --font-display: 'Bebas Neue', Impact, sans-serif;
    --font-body: 'JetBrains Mono', 'Courier New', monospace;
    --border: 3px solid var(--white);
    --border-accent: 3px solid var(--accent);
    --border-dark: 3px solid var(--black);
    --transition: 0.15s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* NOISE TEXTURE OVERLAY */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--accent-hot);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================
   HEADER / NAV
   ============================ */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--black);
    border-bottom: var(--border);
    padding: 0;
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
}

.logo {
    font-family: var(--font-display);
    font-size: 2rem;
    letter-spacing: 0.08em;
    color: var(--white);
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
}

.logo:hover {
    color: var(--accent);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 0;
    align-items: center;
}

.nav-links li a {
    display: block;
    padding: 24px 16px;
    color: var(--gray);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 600;
    border-left: 1px solid var(--mid-gray);
    transition: all var(--transition);
}

.nav-links li:last-child a {
    border-right: 1px solid var(--mid-gray);
}

.nav-links li a:hover,
.nav-links li a.active {
    color: var(--accent);
    background: var(--dark-gray);
}

/* NAV CTA — mobile item hidden on desktop, desktop button hidden on mobile */
.nav-cta-mobile {
    display: none;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 12px 24px;
    border: var(--border);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: var(--black);
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hot);
    border-color: var(--accent-hot);
    color: var(--white);
    transform: translate(-2px, -2px);
    box-shadow: 4px 4px 0 var(--accent);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--black);
    transform: translate(-2px, -2px);
    box-shadow: 4px 4px 0 var(--accent);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 0.9rem;
}

/* MOBILE MENU TOGGLE */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--white);
    transition: all var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================
   HERO
   ============================ */
.hero {
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
    border-bottom: var(--border);
}

.hero::before {
    content: 'VECTOR';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: 20vw;
    color: var(--dark-gray);
    opacity: 0.3;
    white-space: nowrap;
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    position: relative;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border: 2px solid var(--accent);
    color: var(--accent);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 700;
    margin-bottom: 24px;
}

.badge svg {
    stroke: var(--accent);
}

.hero-text h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 5.5rem);
    line-height: 0.95;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin-bottom: 24px;
    color: var(--white);
}

.hero-text h1 span {
    color: var(--accent);
    display: block;
}

.hero-text p {
    font-size: 0.9rem;
    color: var(--gray);
    max-width: 480px;
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* HERO CHAT WINDOW */
.hero-visual {
    position: relative;
}

.main-chat-window {
    border: var(--border);
    background: var(--dark-gray);
    position: relative;
    overflow: hidden;
}

.main-chat-window::before {
    content: '';
    position: absolute;
    top: -2px;
    right: -2px;
    width: 60px;
    height: 60px;
    background: var(--accent);
    clip-path: polygon(100% 0, 0 0, 100% 100%);
    z-index: 2;
}

.main-chat-header {
    padding: 16px 20px;
    border-bottom: 2px solid var(--mid-gray);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--black);
}

.chat-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-avatar-main {
    width: 40px;
    height: 40px;
    border: 2px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-gray);
}

.chat-avatar-main svg {
    stroke: var(--accent);
}

.chat-header-info h4 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.chat-status-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.65rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.status-indicator {
    width: 8px;
    height: 8px;
    background: var(--accent);
    display: inline-block;
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.main-chat-messages {
    padding: 24px 20px;
    min-height: 280px;
    max-height: 350px;
    overflow-y: auto;
}

.chat-welcome {
    text-align: center;
    padding: 24px 0;
}

.welcome-icon {
    margin-bottom: 16px;
}

.welcome-icon svg {
    stroke: var(--gray);
}

.chat-welcome h3 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 8px;
}

.chat-welcome p {
    color: var(--gray);
    font-size: 0.75rem;
    margin-bottom: 20px;
}

.welcome-suggestions {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}

.suggestion-btn {
    padding: 8px 16px;
    border: 2px solid var(--mid-gray);
    background: transparent;
    color: var(--gray);
    font-family: var(--font-body);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all var(--transition);
}

.suggestion-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(204, 255, 0, 0.05);
}

.main-chat-input {
    display: flex;
    border-top: 2px solid var(--mid-gray);
    background: var(--black);
}

.main-chat-input input {
    flex: 1;
    padding: 16px 20px;
    background: transparent;
    border: none;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.8rem;
    outline: none;
}

.main-chat-input input::placeholder {
    color: var(--mid-gray);
}

.main-chat-send {
    padding: 16px 20px;
    background: var(--accent);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
}

.main-chat-send svg {
    width: 20px;
    height: 20px;
    fill: var(--black);
}

.main-chat-send:hover {
    background: var(--accent-hot);
}

.main-chat-send:hover svg {
    fill: var(--white);
}

/* Chat message bubbles */
.chat-msg {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    animation: msgIn 0.3s ease;
}

@keyframes msgIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.chat-msg-avatar {
    width: 32px;
    height: 32px;
    border: 2px solid var(--mid-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--black);
}

.chat-msg-content {
    flex: 1;
}

.chat-msg-content p {
    font-size: 0.8rem;
    color: var(--off-white);
    padding: 12px 16px;
    border: 1px solid var(--mid-gray);
    background: rgba(255,255,255,0.03);
}

.chat-msg.user .chat-msg-content p {
    background: var(--dark-gray);
    border-color: var(--accent);
    border-left: 3px solid var(--accent);
}

.chat-msg.bot .chat-msg-avatar {
    border-color: var(--accent);
}

.typing-dots {
    display: flex;
    gap: 4px;
    padding: 12px 16px;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    background: var(--accent);
    animation: typingPulse 1.2s infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* ============================
   SECTIONS COMMON
   ============================ */
section {
    position: relative;
}

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

.section-title h2 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 12px;
}

.section-title p {
    color: var(--gray);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

/* ============================
   FEATURES
   ============================ */
.features {
    padding: 100px 0;
    border-bottom: var(--border);
    background: var(--dark-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}

.feature-card {
    padding: 40px 32px;
    border: 1px solid var(--mid-gray);
    background: var(--black);
    position: relative;
    transition: all var(--transition);
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    background: var(--dark-gray);
    z-index: 1;
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: var(--accent);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 0.8rem;
    color: var(--gray);
    line-height: 1.7;
}

/* ============================
   PRICING
   ============================ */
.pricing {
    padding: 100px 0;
    border-bottom: var(--border);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}

.pricing-card {
    padding: 48px 32px;
    border: 1px solid var(--mid-gray);
    background: var(--dark-gray);
    position: relative;
    transition: all var(--transition);
}

.pricing-card.popular {
    background: var(--black);
    border: var(--border-accent);
    transform: scale(1.02);
    z-index: 1;
}

.pricing-card.popular::before {
    content: 'MOST POPULAR';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: var(--accent);
    color: var(--black);
    font-family: var(--font-display);
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    text-align: center;
    padding: 6px 0;
}

.pricing-card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 6px 6px 0 var(--accent);
}

.pricing-card.popular:hover {
    transform: scale(1.02) translate(-3px, -3px);
    box-shadow: 6px 6px 0 var(--accent-hot);
}

.pricing-card h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.pricing-card > p {
    font-size: 0.75rem;
    color: var(--gray);
    margin-bottom: 24px;
}

.price {
    font-family: var(--font-display);
    font-size: 4rem;
    line-height: 1;
    margin-bottom: 32px;
    color: var(--accent);
}

.price span {
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--gray);
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 10px 0;
    font-size: 0.8rem;
    color: var(--off-white);
    border-bottom: 1px solid var(--mid-gray);
    position: relative;
    padding-left: 20px;
}

.pricing-features li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

/* ============================
   COMING SOON / NOTIFY
   ============================ */
.coming-soon {
    padding: 100px 0;
    text-align: center;
    background: var(--dark-gray);
    border-bottom: var(--border);
    position: relative;
    overflow: hidden;
}

.coming-soon::before {
    content: 'UNDER CONSTRUCTION';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-5deg);
    font-family: var(--font-display);
    font-size: 12vw;
    color: var(--mid-gray);
    opacity: 0.15;
    white-space: nowrap;
    pointer-events: none;
}

.coming-soon .container {
    position: relative;
    z-index: 1;
}

.notify-icon {
    margin-bottom: 24px;
}

.notify-icon svg {
    stroke: var(--accent);
    display: inline-block;
}

.coming-soon h2 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 5vw, 5rem);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 16px;
}

.coming-soon p {
    color: var(--gray);
    font-size: 0.85rem;
    margin-bottom: 32px;
}

.launch-date {
    margin-top: 24px;
    font-size: 0.75rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

/* ============================
   FOOTER
   ============================ */
footer {
    padding: 64px 0 0;
    background: var(--black);
    border-top: var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--mid-gray);
}

.footer-brand .logo {
    font-size: 1.6rem;
    display: inline-block;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 0.75rem;
    color: var(--gray);
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
    color: var(--white);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    font-size: 0.75rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.7rem;
    color: var(--mid-gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============================
   SCROLL ANIMATIONS
   ============================ */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="fade-in-left"] {
    transform: translateX(-30px);
}

[data-animate="fade-in-right"] {
    transform: translateX(30px);
}

[data-animate="fade-in-up"] {
    transform: translateY(30px);
}

[data-animate].visible {
    opacity: 1;
    transform: translate(0, 0);
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* HOVER LIFT — brutalist: sharp offset shadow */
.hover-lift {
    transition: transform var(--transition), box-shadow var(--transition);
}

.hover-lift:hover {
    transform: translate(-3px, -3px);
    box-shadow: 6px 6px 0 var(--accent);
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-visual {
        max-width: 500px;
    }

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

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }

    .pricing-card.popular {
        transform: none;
    }

    .pricing-card.popular:hover {
        transform: translate(-3px, -3px);
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--black);
        flex-direction: column;
        border-bottom: var(--border);
        z-index: 999;
    }

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

    .nav-links li a {
        border-left: none;
        border-bottom: 1px solid var(--mid-gray);
        padding: 16px 24px;
        width: 100%;
    }

    .nav-links li:last-child a {
        border-right: none;
    }

    .menu-toggle {
        display: flex;
    }

    /* Hide desktop CTA, show mobile CTA inside menu */
    .nav-cta-desktop {
        display: none;
    }

    .nav-cta-mobile {
        display: block;
    }

    .nav-cta-mobile a.btn {
        display: block;
        text-align: center;
        margin: 12px 16px;
        border-color: var(--accent);
        color: var(--black);
        background: var(--accent);
    }

    .nav-cta-mobile a.btn:hover {
        background: var(--accent-hot);
        border-color: var(--accent-hot);
        color: var(--white);
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 120px 0 60px;
    }

    .hero-text h1 {
        font-size: 2.8rem;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .section-title h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2.2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

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

    .btn {
        padding: 10px 18px;
        font-size: 0.75rem;
    }
}