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

:root {
    --color-bg: #0f1117;
    --color-bg-alt: #161922;
    --color-surface: #1e2230;
    --color-primary: #6c63ff;
    --color-primary-hover: #5a52e0;
    --color-accent: #00d4aa;
    --color-text: #e4e6ed;
    --color-text-muted: #9499a8;
    --color-border: #2a2f3e;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,.3);
    --transition: .25s ease;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: .95rem;
    transition: all var(--transition);
    border: none;
    cursor: pointer;
}
.btn-primary {
    background: var(--color-primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--color-primary-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108,99,255,.35);
}
.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}
.btn-secondary:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

/* === Navigation === */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(15, 17, 23, .85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}
.nav-logo {
    height: 42px;
    width: auto;
    /* Make transparent by blending - original has background */
    filter: drop-shadow(0 0 0 transparent);
}
.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}
.nav-links a {
    color: var(--color-text-muted);
    font-size: .9rem;
    font-weight: 500;
    transition: color var(--transition);
}
.nav-links a:hover {
    color: #fff;
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition);
}
.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* === Hero === */
#particles {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    background: radial-gradient(ellipse at 50% 0%, rgba(108,99,255,.15) 0%, transparent 60%),
                var(--color-bg);
    overflow: hidden;
}
.hero-logo {
    width: 120px;
    height: auto;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 24px rgba(108,99,255,.3));
    animation: float 3s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
.hero-title {
    font-size: 3.2rem;
    font-weight: 700;
    color: #f5a623;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}
.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 32px;
    max-width: 500px;
}
.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* === Sections === */
.section {
    padding: 80px 0;
}
.section-alt {
    background: var(--color-bg-alt);
}
.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}
.section-desc {
    text-align: center;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 48px;
    font-size: 1.05rem;
}

/* === About Grid === */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}
.about-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}
.about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.about-icon {
    font-size: 2.2rem;
    margin-bottom: 16px;
}
.about-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: #fff;
}
.about-card p {
    color: var(--color-text-muted);
    font-size: .95rem;
    line-height: 1.7;
}

/* === Feature Block (Webchat) === */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.feature-text p {
    color: var(--color-text-muted);
    margin-bottom: 24px;
    font-size: 1.05rem;
}
.feature-list {
    list-style: none;
    margin-bottom: 32px;
}
.feature-list li {
    padding: 8px 0;
    padding-left: 28px;
    position: relative;
    color: var(--color-text);
    font-size: .95rem;
}
.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
}

/* Chat mockup */
.mockup {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.mockup-bar {
    display: flex;
    gap: 8px;
    padding: 14px 18px;
    background: rgba(0,0,0,.2);
    border-bottom: 1px solid var(--color-border);
}
.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }
.mockup-content {
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.mock-msg {
    padding: 10px 16px;
    border-radius: 16px;
    font-size: .9rem;
    max-width: 80%;
    line-height: 1.5;
}
.mock-msg-left {
    background: var(--color-border);
    color: var(--color-text);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}
.mock-msg-right {
    background: var(--color-primary);
    color: #fff;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

/* === Server Card === */
.server-card {
    max-width: 460px;
    margin: 0 auto 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}
.server-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 28px;
}
.server-row + .server-row {
    border-top: 1px solid var(--color-border);
}
.server-label {
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: .9rem;
    text-transform: uppercase;
    letter-spacing: .05em;
}
.server-value {
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 1rem;
    color: var(--color-accent);
    background: none;
}
.badge {
    display: inline-block;
    background: rgba(0,212,170,.15);
    color: var(--color-accent);
    font-size: .7rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 8px;
    vertical-align: middle;
    letter-spacing: .05em;
}
.copyable {
    cursor: pointer;
    transition: color var(--transition);
}
.copyable:hover {
    color: #fff;
}
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--color-accent);
    color: var(--color-bg);
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    font-weight: 600;
    opacity: 0;
    transition: opacity .3s ease, transform .3s ease;
    z-index: 200;
    pointer-events: none;
}
.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.server-hint {
    text-align: center;
    color: var(--color-text-muted);
    font-size: .88rem;
}

/* === Team === */
.team-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
    max-width: 700px;
    margin: 0 auto;
}
.team-member {
    text-align: center;
}
.avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.3rem;
    color: #fff;
    margin: 0 auto 10px;
    transition: transform var(--transition);
}
.team-member:hover .avatar {
    transform: scale(1.1);
}
.member-name {
    font-size: .9rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

/* === Contact === */
.contact-container {
    text-align: center;
}

/* === Footer === */
.footer {
    border-top: 1px solid var(--color-border);
    padding: 28px 0;
    text-align: center;
}
.footer p {
    color: var(--color-text-muted);
    font-size: .85rem;
}

/* === Responsive === */
@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
    }
    .feature-block {
        grid-template-columns: 1fr;
    }
    .feature-visual {
        order: -1;
    }
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 640px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(15,17,23,.97);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--color-border);
    }
    .nav-links.open {
        display: flex;
    }
    .nav-toggle {
        display: flex;
    }
    .hero {
        min-height: 70vh;
        padding: 100px 20px 60px;
    }
    .hero-logo {
        width: 90px;
    }
    .hero-title {
        font-size: 2.2rem;
    }
    .hero-subtitle {
        font-size: 1rem;
    }
    .section {
        padding: 56px 0;
    }
    .section-title {
        font-size: 1.6rem;
    }
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}