:root {
    --c-bg: #060b18;
    --c-bg-alt: #0a1128;
    --c-surface: rgba(255, 255, 255, 0.03);
    --c-surface-hover: rgba(255, 255, 255, 0.06);
    --c-border: rgba(255, 255, 255, 0.06);
    --c-border-hover: rgba(255, 255, 255, 0.12);
    --c-accent: #00d4ff;
    --c-accent-dim: rgba(0, 212, 255, 0.15);
    --c-accent-glow: rgba(0, 212, 255, 0.25);
    --c-violet: #8b5cf6;
    --c-violet-dim: rgba(139, 92, 246, 0.15);
    --c-violet-glow: rgba(139, 92, 246, 0.25);
    --c-text: #e2e8f0;
    --c-text-dim: rgba(226, 232, 240, 0.5);
    --c-text-muted: rgba(226, 232, 240, 0.3);
    --font-display: 'Orbitron', monospace;
    --font-body: 'Inter', 'Noto Sans SC', system-ui, sans-serif;
    --radius: 16px;
    --radius-sm: 8px;
    --radius-xs: 6px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--c-bg);
    color: var(--c-text);
    line-height: 1.6;
    overflow-x: hidden;
}

#bgCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

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

.glass-card {
    background: var(--c-surface);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.glass-card:hover {
    background: var(--c-surface-hover);
    border-color: var(--c-border-hover);
    transform: translateY(-2px);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--c-accent);
    color: var(--c-bg);
    font-weight: 600;
}

.btn-primary:hover {
    box-shadow: 0 0 24px var(--c-accent-glow), 0 4px 12px rgba(0, 0, 0, 0.3);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--c-text);
    border: 1px solid var(--c-border);
}

.btn-outline:hover {
    border-color: var(--c-accent);
    color: var(--c-accent);
    background: var(--c-accent-dim);
}

.btn-ghost {
    background: transparent;
    color: var(--c-text-dim);
    font-size: 0.8rem;
}

.btn-ghost:hover {
    color: var(--c-text);
}

.btn-accent {
    background: var(--c-accent-dim);
    color: var(--c-accent);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.btn-accent:hover {
    background: var(--c-accent);
    color: var(--c-bg);
}

.btn-violet {
    background: var(--c-violet);
    color: white;
    font-weight: 600;
}

.btn-violet:hover {
    box-shadow: 0 0 24px var(--c-violet-glow), 0 4px 12px rgba(0, 0, 0, 0.3);
    transform: translateY(-1px);
}

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transition: all 0.4s ease;
}

.nav.scrolled {
    background: rgba(6, 11, 24, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--c-border);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--c-text);
}

.nav-logo {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-accent);
}

.nav-logo svg {
    width: 22px;
    height: 22px;
}

.tbs-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.nav-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: var(--c-text-dim);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--c-accent);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--c-text);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 20px;
    height: 1.5px;
    background: var(--c-text);
    transition: all 0.3s;
    border-radius: 1px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 80px 24px 40px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    text-align: center;
    max-width: 720px;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 20px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    font-size: 0.8rem;
    color: var(--c-text-dim);
    margin-bottom: 32px;
    animation: titleReveal 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    animation-delay: 0.1s;
    opacity: 0;
    transform: translateY(20px);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-accent);
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--c-accent-glow); }
    50% { opacity: 0.7; box-shadow: 0 0 0 6px transparent; }
}

.hero-title {
    margin-bottom: 16px;
}

.hero-title-main {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 900;
    letter-spacing: 8px;
    background: linear-gradient(135deg, var(--c-text) 0%, var(--c-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    animation: titleReveal 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    animation-delay: 0.3s;
    opacity: 0;
    transform: translateY(20px);
}

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

@keyframes taglineReveal {
    to {
        opacity: 0.7;
        transform: translateY(0);
    }
}

.hero-title-sub {
    display: block;
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 300;
    color: var(--c-text-dim);
    letter-spacing: 6px;
    margin-top: 8px;
    animation: titleReveal 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    animation-delay: 0.6s;
    opacity: 0;
    transform: translateY(20px);
}

.hero-tagline {
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 4px;
    color: var(--c-accent);
    opacity: 0;
    margin-bottom: 24px;
    animation: taglineReveal 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    animation-delay: 0.8s;
    transform: translateY(20px);
}

.hero-desc {
    font-size: 1rem;
    color: var(--c-text-dim);
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0;
    animation: titleReveal 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    animation-delay: 1s;
    transform: translateY(20px);
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    opacity: 0;
    animation: titleReveal 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    animation-delay: 1.2s;
    transform: translateY(20px);
}

.stat {
    text-align: center;
}

.stat-val {
    display: block;
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--c-accent);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--c-text-muted);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 32px;
    background: var(--c-border);
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: titleReveal 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    animation-delay: 1.4s;
    transform: translateY(20px);
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(180deg, var(--c-accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(0.6); }
}

.section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.section-dark {
    background: var(--c-bg-alt);
    position: relative;
}

.section-dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.section[id="cortana"] {
    position: relative;
}

.section[id="cortana"]::before {
    content: '';
    position: absolute;
    top: 30%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

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

.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 3px;
    color: var(--c-accent);
    padding: 4px 12px;
    border: 1px solid var(--c-accent-dim);
    border-radius: 20px;
    margin-bottom: 16px;
    background: var(--c-accent-dim);
}

.section-tag-violet {
    color: var(--c-violet);
    border-color: var(--c-violet-dim);
    background: var(--c-violet-dim);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--c-text) 0%, var(--c-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title-violet {
    background: linear-gradient(135deg, var(--c-text) 0%, var(--c-violet) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: 0.95rem;
    color: var(--c-text-dim);
    max-width: 560px;
    margin: 0 auto;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.about-card {
    padding: 32px 28px;
}

.card-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-accent);
    margin-bottom: 20px;
}

.card-icon svg {
    width: 28px;
    height: 28px;
}

.about-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 6px;
    color: var(--c-text);
}

.card-sub {
    font-size: 0.8rem;
    color: var(--c-accent);
    margin-bottom: 12px;
    opacity: 0.8;
}

.about-card p:last-of-type {
    font-size: 0.9rem;
    color: var(--c-text-dim);
    line-height: 1.7;
}

.about-mission {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    padding: 36px;
    align-items: center;
}

.mission-content h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 12px;
    color: var(--c-accent);
}

.mission-content p {
    font-size: 0.9rem;
    color: var(--c-text-dim);
    line-height: 1.8;
}

.mission-meta {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 12px 16px;
    background: var(--c-surface);
    border-radius: var(--radius-sm);
    border: 1px solid var(--c-border);
}

.meta-label {
    font-size: 0.7rem;
    color: var(--c-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.meta-value {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--c-accent);
}

.uaip-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.uaip-main {
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
}

.uaip-visual {
    position: relative;
    height: 220px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(0, 212, 255, 0.02));
    border-bottom: 1px solid var(--c-border);
}

#uaipCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

.uaip-text {
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.uaip-text h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--c-accent);
}

.uaip-text p {
    font-size: 0.9rem;
    color: var(--c-text-dim);
    line-height: 1.8;
}

.uaip-goals {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.goal-card {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 16px;
    padding: 18px 20px;
    align-items: start;
}

.goal-card:hover .goal-index {
    box-shadow: 0 0 12px var(--c-accent-glow);
}

.goal-index {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--c-bg);
    background: var(--c-accent);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.goal-body h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: 4px;
}

.goal-en {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--c-text-muted);
    letter-spacing: 0.5px;
}

.goal-body p {
    font-size: 0.8rem;
    color: var(--c-text-dim);
    line-height: 1.5;
    margin-bottom: 10px;
}

.goal-bar {
    height: 3px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 2px;
    overflow: hidden;
}

.goal-fill {
    height: 100%;
    width: var(--w);
    background: linear-gradient(90deg, var(--c-accent), rgba(0, 212, 255, 0.4));
    border-radius: 2px;
    transition: width 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.cortana-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.cortana-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.cortana-card {
    padding: 24px;
    overflow: hidden;
    position: relative;
}

.cortana-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--c-violet), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

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

.cortana-card-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-violet);
    margin-bottom: 16px;
}

.cortana-card-icon svg {
    width: 22px;
    height: 22px;
}

.cortana-card h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: 8px;
}

.cortana-card p {
    font-size: 0.8rem;
    color: var(--c-text-dim);
    line-height: 1.6;
}

.cortana-cta {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-color: var(--c-violet-dim);
}

.cortana-visual {
    width: 100%;
    height: 180px;
    position: relative;
    margin-bottom: 24px;
}

.cortana-cta-text h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--c-violet);
    margin-bottom: 12px;
}

.cortana-cta-text p {
    font-size: 0.9rem;
    color: var(--c-text-dim);
    line-height: 1.8;
    margin-bottom: 20px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.project-card {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--c-accent), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

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

.project-id {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--c-accent);
    opacity: 0.6;
}

.project-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-text);
}

.project-card p {
    font-size: 0.8rem;
    color: var(--c-text-dim);
    line-height: 1.5;
    flex: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 4px;
    background: var(--c-accent-dim);
    color: var(--c-accent);
    font-weight: 500;
}

.project-status {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    align-self: flex-end;
}

.project-status.active {
    color: #34d399;
}

.project-status.stable {
    color: #60a5fa;
}

.project-status.done {
    color: var(--c-text-muted);
}

.project-status.planned {
    color: #fbbf24;
}

.roadmap {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.roadmap-track {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}

.roadmap-line {
    position: absolute;
    top: 24px;
    bottom: 24px;
    width: 2px;
    background: linear-gradient(180deg, var(--c-accent), var(--c-border));
}

.roadmap-node {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.node-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--c-border);
    border: 2px solid var(--c-bg-alt);
}

.roadmap-node.current .node-dot {
    background: var(--c-accent);
    box-shadow: 0 0 12px var(--c-accent-glow);
}

.roadmap-node.planned .node-dot {
    background: #fbbf24;
    box-shadow: 0 0 8px rgba(251, 191, 36, 0.3);
}

.roadmap-node.future .node-dot {
    background: var(--c-text-muted);
}

.roadmap-node.ultimate .node-dot {
    background: #a855f7;
    box-shadow: 0 0 12px rgba(168, 85, 247, 0.5);
}

.node-pulse {
    position: absolute;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1px solid var(--c-accent);
    animation: nodePulse 2s ease-in-out infinite;
}

@keyframes nodePulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.5); opacity: 0; }
}

.roadmap-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.roadmap-card {
    padding: 28px;
}

.roadmap-card.current {
    border-color: var(--c-accent-dim);
}

/* UAIP详细发展路线样式 */
.roadmap-detailed {
    background: var(--bg-dark, #0a0e1a);
}

.roadmap-timeline-detailed {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.roadmap-phase {
    padding: 32px;
}

.phase-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.phase-tag {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    background: var(--c-surface);
    color: var(--c-text-muted);
    letter-spacing: 0.5px;
}

.phase-tag.current {
    background: var(--c-accent-dim);
    color: var(--c-accent);
}

.phase-tag.ultimate {
    background: rgba(168, 85, 247, 0.15);
    color: #a855f7;
}

.phase-header h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 1px;
    flex: 1;
}

.phase-period {
    font-size: 0.75rem;
    color: var(--c-text-dim);
    font-family: var(--font-mono, monospace);
    letter-spacing: 0.5px;
}

.phase-content h4 {
    font-size: 0.85rem;
    color: var(--c-accent);
    margin: 16px 0 8px;
    font-weight: 600;
}

.phase-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.phase-content ul li {
    font-size: 0.85rem;
    color: var(--c-text-dim);
    line-height: 1.7;
    padding-left: 16px;
    position: relative;
}

.phase-content ul li::before {
    content: "›";
    position: absolute;
    left: 0;
    color: var(--c-accent);
}

.rm-phase {
    margin-bottom: 12px;
}

.rm-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    letter-spacing: 0.5px;
}

.rm-badge-active {
    background: var(--c-accent-dim);
    color: var(--c-accent);
}

.rm-badge-planned {
    background: rgba(251, 191, 36, 0.1);
    color: #fbbf24;
}

.rm-badge-future {
    background: var(--c-surface);
    color: var(--c-text-muted);
}

.rm-badge-ultimate {
    background: rgba(168, 85, 247, 0.15);
    color: #a855f7;
}

.roadmap-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.rm-sub {
    font-size: 0.8rem;
    color: var(--c-accent);
    margin-bottom: 12px;
}

.roadmap-card > p {
    font-size: 0.85rem;
    color: var(--c-text-dim);
    line-height: 1.7;
    margin-bottom: 16px;
}

.rm-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.rm-tags span {
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: 4px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    color: var(--c-text-dim);
}

.disclaimer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.disclaimer-card {
    padding: 32px;
}

.disclaimer-card h3 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--c-accent);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--c-border);
}

.disclaimer-card p {
    font-size: 0.85rem;
    color: var(--c-text-dim);
    line-height: 1.8;
    margin-bottom: 8px;
}

.disclaimer-card .highlight {
    color: var(--c-text);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 12px;
}

.disclaimer-card strong {
    color: var(--c-accent);
}

.footer {
    padding: 48px 0 32px;
    border-top: 1px solid var(--c-border);
    position: relative;
    z-index: 1;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-accent);
}

.footer-logo svg {
    width: 22px;
    height: 22px;
}

.footer-brand h4 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.footer-brand p {
    font-size: 0.75rem;
    color: var(--c-text-dim);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 0.8rem;
    color: var(--c-text-dim);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--c-border);
}

.footer-slogan {
    font-style: italic;
    color: var(--c-accent);
    font-size: 0.85rem;
    margin-bottom: 12px;
    opacity: 0.7;
}

.footer-note {
    font-size: 0.7rem;
    color: var(--c-text-muted);
    line-height: 1.6;
    margin-bottom: 4px;
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1024px) {
    .uaip-layout {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .nav-inner {
        padding: 0 16px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(6, 11, 24, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px 24px;
        gap: 16px;
        border-bottom: 1px solid var(--c-border);
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-actions .btn {
        display: none;
    }

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

    .about-mission {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        gap: 16px;
    }

    .stat-val {
        font-size: 1.4rem;
    }

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

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

    .roadmap {
        grid-template-columns: 48px 1fr;
        gap: 20px;
    }

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

    .footer-inner {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .section {
        padding: 64px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .roadmap-card {
        padding: 20px;
    }

    .roadmap-phase {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }

    .nav-inner {
        padding: 0 12px;
    }

    .hero-title-main {
        letter-spacing: 4px;
    }

    .hero-tagline {
        letter-spacing: 2px;
        font-size: 0.75rem;
    }

    .hero-desc {
        font-size: 0.9rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 12px;
    }

    .stat-divider {
        width: 32px;
        height: 1px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .btn {
        justify-content: center;
    }

    .hero {
        padding: 60px 16px 40px;
    }

    .section {
        padding: 48px 0;
    }

    .section-title {
        font-size: clamp(1.4rem, 6vw, 2rem);
    }
}