:root {
    --bg: #0f0e0c;
    --bg-alt: #1a1815;
    --ink: #f5f3ef;
    --ink-soft: #d8d2c8;
    --ink-muted: #9a9288;
    --ink-faint: #524b43;
    --line: rgba(245, 243, 239, 0.08);
    --line-strong: rgba(245, 243, 239, 0.16);
    --accent: #e86238;
    --accent-soft: rgba(232, 98, 56, 0.16);
    --serif: 'Instrument Serif', 'Noto Serif SC', Georgia, serif;
    --sans: 'Geist', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2), 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3), 0 12px 32px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4), 0 32px 64px rgba(0, 0, 0, 0.3);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    color-scheme: dark;
}

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

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

body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--ink);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

::selection {
    background: var(--accent);
    color: #fff;
}

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.6;
    mask-image: linear-gradient(to bottom, transparent, black 15%, black 85%, transparent);
    -webkit-mask-image: linear-gradient(to bottom, transparent, black 15%, black 85%, transparent);
}

.noise {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 2;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

nav, main, footer {
    position: relative;
    z-index: 10;
}

a {
    color: inherit;
    text-decoration: none;
}

.placeholder-svg {
    color: var(--ink-faint);
    background: var(--bg-alt);
    border-radius: 4px;
    overflow: hidden;
}

.placeholder-svg svg {
    width: 100%;
    height: 100%;
    display: block;
}

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    background: color-mix(in srgb, var(--bg) 70%, transparent);
    border-bottom: 1px solid transparent;
    transition: border-color 0.4s var(--ease-out), padding 0.4s var(--ease-out);
}

.nav.is-scrolled {
    border-bottom-color: var(--line);
    padding: 14px 0;
}

.nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-mark {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ink);
}

.logo-mark svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    font-family: var(--mono);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.06em;
    -webkit-font-smoothing: none;
    font-smooth: never;
    image-rendering: pixelated;
}

.logo-tag {
    font-family: var(--mono);
    font-size: 10px;
    color: var(--ink-muted);
    letter-spacing: 0.1em;
    padding: 3px 8px;
    border: 1px solid var(--line-strong);
    border-radius: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    position: relative;
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.04em;
    padding: 8px 14px;
    border-radius: 2px;
    transition: color 0.2s, background 0.2s;
}

.nav-link::before {
    content: attr(data-label);
    display: block;
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    font-size: 9px;
    color: var(--ink-muted);
    opacity: 0;
    transition: opacity 0.3s, transform 0.3s var(--ease-out);
    white-space: nowrap;
    letter-spacing: 0.1em;
}

.nav-link:hover {
    color: var(--ink);
    background: var(--accent-soft);
}

.nav-link:hover::before {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.nav-cta {
    background: var(--ink);
    color: var(--bg) !important;
}

.nav-cta:hover {
    background: var(--ink-soft) !important;
}

.btn-ai {
    --ai-glow: rgba(255, 110, 64, 0.32);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px 8px 12px;
    border-radius: 2px;
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--bg);
    background: var(--accent);
    border: 1px solid rgba(255,255,255,0.06);
    position: relative;
    transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), filter 0.3s;
    box-shadow:
        0 0 0 1px rgba(255, 110, 64, 0.18) inset,
        0 1px 2px rgba(0,0,0,0.35),
        0 0 10px 0 var(--ai-glow);
    will-change: transform, box-shadow;
    z-index: 1;
}

.btn-ai::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 2px;
    background: radial-gradient(140% 160% at 50% -10%, rgba(255,255,255,0.18), transparent 60%),
                radial-gradient(90% 180% at 20% 120%, rgba(255, 200, 120, 0.22), transparent 55%);
    pointer-events: none;
    opacity: 0.8;
    z-index: -1;
}

.btn-ai::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 4px;
    background: radial-gradient(closest-side, rgba(255, 120, 70, 0.22), transparent 72%);
    filter: blur(2px);
    pointer-events: none;
    opacity: 0.9;
    z-index: -2;
    animation: aiGlow 4s ease-in-out infinite;
}

@keyframes aiGlow {
    0%, 100% { opacity: 0.55; transform: scale(1); }
    50% { opacity: 0.95; transform: scale(1.04); }
}

.btn-ai:hover {
    transform: translateY(-1px);
    filter: brightness(1.06);
    box-shadow:
        0 0 0 1px rgba(255, 110, 64, 0.28) inset,
        0 2px 6px rgba(0,0,0,0.4),
        0 0 16px 2px rgba(255, 110, 64, 0.42);
    color: var(--bg);
}

.btn-ai:hover::after {
    opacity: 1;
}

.btn-ai-icon {
    width: 14px;
    height: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    color: var(--bg);
    filter: drop-shadow(0 0 1.5px rgba(255, 250, 220, 0.55));
}

.btn-ai-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

.btn-ai--block {
    padding: 11px 18px 11px 15px;
    font-size: 13px;
    gap: 10px;
    border-radius: 3px;
    margin-top: 8px;
}

.btn-ai--block .btn-ai-icon {
    width: 16px;
    height: 16px;
}

.stats-and-ai {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(220px, 0.9fr);
    gap: 32px;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--line);
    margin-top: 10px;
}

.stats-and-ai .stats {
    border-top: none;
    margin-top: 0;
    padding-top: 0;
    gap: 28px 40px;
}

.nav-toggle {
    display: none;
    width: 36px;
    height: 36px;
    border: 1px solid var(--line-strong);
    background: transparent;
    border-radius: 2px;
    cursor: pointer;
    position: relative;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 16px;
    height: 1px;
    background: var(--ink);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    transition: transform 0.3s var(--ease-out), top 0.3s var(--ease-out);
}

.nav-toggle span:first-child { top: 13px; }
.nav-toggle span:last-child { top: 21px; }

.nav-toggle.is-open span:first-child {
    top: 17px;
    transform: translateX(-50%) rotate(45deg);
}
.nav-toggle.is-open span:last-child {
    top: 17px;
    transform: translateX(-50%) rotate(-45deg);
}

.hero {
    min-height: 100vh;
    padding: 120px 40px 80px;
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.hero-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    font-family: var(--mono);
    font-size: 11px;
    color: var(--ink-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.meta-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
    animation: pulse 2s var(--ease-in-out) infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(0.85); }
}

.hero-title {
    font-family: var(--mono);
    font-size: clamp(48px, 9vw, 140px);
    line-height: 0.92;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 60px 0;
    -webkit-font-smoothing: none;
    font-smooth: never;
    image-rendering: pixelated;
}

.title-line {
    display: flex;
    gap: 0.04em;
    flex-wrap: wrap;
    overflow: hidden;
}

.title-line--accent {
    padding-left: clamp(40px, 8vw, 120px);
}

.title-word {
    display: inline-block;
    opacity: 0;
    transform: translateY(100%) rotateX(-45deg);
    transform-origin: bottom center;
    animation: wordIn 0.9s var(--ease-out) forwards;
}

.title-word--serif {
    font-family: var(--serif);
    font-style: italic;
    font-weight: 400;
    color: var(--accent);
    -webkit-font-smoothing: antialiased;
    font-smooth: always;
    image-rendering: auto;
}

.title-line .title-word:nth-child(1) { animation-delay: 0.05s; }
.title-line .title-word:nth-child(2) { animation-delay: 0.10s; }
.title-line .title-word:nth-child(3) { animation-delay: 0.15s; }
.title-line .title-word:nth-child(4) { animation-delay: 0.20s; }
.title-line .title-word:nth-child(5) { animation-delay: 0.25s; }
.title-line .title-word:nth-child(6) { animation-delay: 0.30s; }
.title-line .title-word:nth-child(7) { animation-delay: 0.35s; }
.title-line .title-word:nth-child(8) { animation-delay: 0.40s; }

.title-line--accent .title-word:nth-child(1) { animation-delay: 0.35s; }
.title-line--accent .title-word:nth-child(2) { animation-delay: 0.40s; }
.title-line--accent .title-word:nth-child(3) { animation-delay: 0.45s; }
.title-line--accent .title-word:nth-child(4) { animation-delay: 0.50s; }
.title-line--accent .title-word:nth-child(5) { animation-delay: 0.55s; }
.title-line--accent .title-word:nth-child(6) { animation-delay: 0.60s; }

@keyframes wordIn {
    0% {
        opacity: 0;
        transform: translateY(100%) rotateX(-45deg);
    }
    60% {
        opacity: 1;
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotateX(0);
    }
}

.hero-bottom {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.hero-desc {
    max-width: 480px;
    font-size: clamp(14px, 1.2vw, 16px);
    line-height: 1.7;
    color: var(--ink-soft);
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.8s forwards;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-scroll {
    display: flex;
    align-items: center;
    gap: 14px;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 1s forwards;
}

.scroll-label {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--ink-muted);
    text-transform: uppercase;
}

.scroll-line {
    width: 60px;
    height: 1px;
    background: var(--line-strong);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 40%;
    height: 100%;
    background: var(--ink);
    animation: scrollLine 2s var(--ease-in-out) infinite;
}

@keyframes scrollLine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(250%); }
}

.marquee {
    padding: 32px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    overflow: hidden;
    position: relative;
}

.marquee-track {
    display: flex;
    align-items: center;
    gap: 32px;
    white-space: nowrap;
    animation: marqueeRun 40s linear infinite;
    width: max-content;
}

.marquee-item {
    font-family: var(--mono);
    font-size: clamp(12px, 1.4vw, 18px);
    letter-spacing: 0.12em;
    color: var(--ink-soft);
    font-weight: 500;
}

.marquee-sep {
    color: var(--accent);
    opacity: 0.6;
    font-size: 10px;
}

@keyframes marqueeRun {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.section-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

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

.section-label {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--ink-muted);
    text-transform: uppercase;
    margin-bottom: 48px;
}

.label-num {
    color: var(--accent);
    font-weight: 600;
}

.label-line {
    flex: 1;
    height: 1px;
    background: var(--line-strong);
    max-width: 200px;
}

.section-title {
    font-family: var(--sans);
    font-size: clamp(32px, 5vw, 56px);
    line-height: 1.1;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 28px;
}

.section-title--center {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.title-em {
    font-family: var(--serif);
    font-style: italic;
    font-weight: 400;
    color: var(--accent);
}

.section-text {
    font-size: clamp(14px, 1.1vw, 16px);
    line-height: 1.8;
    color: var(--ink-soft);
    margin-bottom: 18px;
    max-width: 560px;
}

.about {
    padding: 140px 0;
}

.about-grid {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    aspect-ratio: 4/5;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--bg-alt);
    border-radius: 4px;
}

.about-image > picture {
    display: block;
    width: 100%;
    height: 100%;
}

.about-image > picture > img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: 50% 22%;
    image-rendering: auto;
    -webkit-font-smoothing: antialiased;
}

.about-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 60%, var(--accent-soft));
    pointer-events: none;
}

.stats {
    display: flex;
    gap: 40px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--line);
    flex-wrap: wrap;
}

.stat-num {
    font-family: var(--mono);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.02em;
    display: block;
    margin-bottom: 8px;
    -webkit-font-smoothing: none;
    font-smooth: never;
    image-rendering: pixelated;
}

.stat-label {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    color: var(--ink-muted);
    text-transform: uppercase;
}

.vision {
    padding: 140px 0;
    background: var(--bg-alt);
    position: relative;
}

.vision::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to bottom, var(--bg), transparent);
    pointer-events: none;
}

.vision-header {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    margin-bottom: 80px;
}

.pillars {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.pillar {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 36px 32px;
    transition: transform 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out), border-color 0.3s;
    position: relative;
    overflow: hidden;
}

.pillar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s var(--ease-out);
}

.pillar:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--line-strong);
}

.pillar:hover::before {
    transform: scaleX(1);
}

.pillar-index {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: 24px;
    font-weight: 600;
}

.pillar-title {
    font-family: var(--sans);
    font-size: clamp(22px, 2.4vw, 28px);
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
}

.pillar-sub {
    display: block;
    font-family: var(--mono);
    font-size: 0.5em;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--ink-soft);
    text-transform: uppercase;
    margin-top: 6px;
    line-height: 1.3;
}

.pillar-desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--ink-soft);
    margin-bottom: 28px;
}

.pillar-visual {
    aspect-ratio: 15/8;
    border-radius: 2px;
}

.projects {
    padding: 140px 0;
}

.projects > .section-title {
    max-width: 1280px;
    margin: 0 auto 60px;
    padding: 0 40px;
}

.project-list {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    flex-direction: column;
}

.project {
    display: grid;
    grid-template-columns: 80px 1fr 120px;
    gap: 32px;
    align-items: center;
    padding: 36px 0;
    border-bottom: 1px solid var(--line);
    transition: padding 0.4s var(--ease-out);
    position: relative;
}

.project::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.5s var(--ease-out);
}

.project:hover {
    padding: 36px 20px;
}

.project:hover::before {
    transform: scaleY(1);
}

.project-num {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--ink-muted);
    font-weight: 600;
}

.project-title {
    font-size: clamp(18px, 2vw, 24px);
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 10px;
}

.project-desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--ink-soft);
    margin-bottom: 16px;
}

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

.tag {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.06em;
    color: var(--ink-soft);
    padding: 4px 10px;
    border: 1px solid var(--line-strong);
    border-radius: 2px;
    text-transform: uppercase;
}

.project-image {
    position: relative;
    margin-top: 24px;
    width: min(920px, 74%);
    max-width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 3px;
    overflow: hidden;
    box-shadow: 0 1px 0 var(--accent-strong);
    border: 1px solid var(--line-strong);
    background: var(--bg-alt);
    transform: translateZ(0);
    will-change: transform;
}

.project-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, transparent 55%, var(--accent-soft)),
    pointer-events: none;
    opacity: 0.7;
}

.project-image > picture {
    display: block;
    width: 100%;
    height: 100%;
}

.project-image > picture > img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: 50% 30%;
    image-rendering: auto;
}

.project-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--mono);
    font-size: 11px;
    color: var(--ink-muted);
    letter-spacing: 0.06em;
    justify-self: end;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
}

.status--active .status-dot {
    background: #22a06b;
    box-shadow: 0 0 0 3px rgba(34, 160, 107, 0.15);
}

.status--prototyping .status-dot {
    background: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.status--research .status-dot {
    background: #7a5cdc;
    box-shadow: 0 0 0 3px rgba(122, 92, 220, 0.15);
}

.join {
    padding: 140px 0 44px;
    background: var(--bg-alt);
    position: relative;
}

.join::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to bottom, var(--bg), transparent);
    pointer-events: none;
}

.join-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 40px;
    text-align: center;
}

.join-title {
    font-family: var(--sans);
    font-size: clamp(32px, 6vw, 68px);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 28px;
}

.join-desc {
    font-size: clamp(15px, 1.3vw, 17px);
    line-height: 1.8;
    color: var(--ink-soft);
    max-width: 600px;
    margin: 0 auto 28px;
}

.join-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.04em;
    border-radius: 2px;
    transition: all 0.3s var(--ease-out);
    cursor: pointer;
    border: 1px solid transparent;
}

.btn svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s var(--ease-out);
}

.btn--primary {
    background: var(--ink);
    color: var(--bg);
}

.btn--primary:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(216, 79, 36, 0.3);
}

.btn--primary:hover svg {
    transform: translateX(4px);
}

.btn--ghost {
    border-color: var(--line-strong);
    color: var(--ink);
    background: transparent;
}

.btn--ghost:hover {
    border-color: var(--ink);
    transform: translateY(-2px);
}

.join-info {
    aspect-ratio: 3/1;
    max-width: 600px;
    margin: 0 auto;
    color: var(--ink-muted);
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 4px;
    text-align: left;
}

.word-converge {
    position: relative;
}

.wc-spacer {
    height: 130vh;
}

.wc-sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
}

.wc-sticky::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 14vh;
    background: linear-gradient(to bottom, var(--bg), transparent);
    z-index: 2;
    pointer-events: none;
}

.wc-sticky::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 14vh;
    background: linear-gradient(to top, var(--bg), transparent);
    z-index: 2;
    pointer-events: none;
}

.wc-container {
    position: relative;
    width: 100%;
    max-width: 1400px;
    height: 100%;
    perspective: 1200px;
    perspective-origin: 50% 50%;
}

.wc-words {
    position: absolute;
    top: 50%;
    left: 50%;
    transform-style: preserve-3d;
    will-change: transform;
}

.wc-word {
    position: absolute;
    left: 50%;
    top: 50%;
    font-family: var(--mono);
    font-size: clamp(24px, 4vw, 52px);
    font-weight: 700;
    letter-spacing: -0.01em;
    white-space: nowrap;
    transform-style: preserve-3d;
    transform: translate(-50%, -50%)
               translate3d(calc(var(--x) * 0.45px), calc(var(--y) * 0.45px), 300px)
               scale(1.55);
    opacity: 0.72;
    filter: blur(9px) drop-shadow(0 0 16px currentColor);
    -webkit-font-smoothing: none;
    font-smooth: never;
    image-rendering: pixelated;
    transition: color 0.3s;
    will-change: transform, opacity, filter;
}

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

.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--line);
    background: var(--bg);
}

.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--line);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo {
    font-family: var(--mono);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.08em;
    -webkit-font-smoothing: none;
    font-smooth: never;
    image-rendering: pixelated;
}

.footer-tagline {
    font-size: 14px;
    color: var(--ink-muted);
    line-height: 1.6;
}

.footer-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col-title {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--ink-muted);
    text-transform: uppercase;
    margin-bottom: 8px;
    font-weight: 600;
}

.footer-link,
.footer-text {
    font-size: 14px;
    color: var(--ink-soft);
    transition: color 0.2s;
    display: inline-block;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-copy {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    color: var(--ink-muted);
    text-transform: uppercase;
}

@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-image {
        max-width: 520px;
        margin: 0 auto;
        aspect-ratio: 3/4;
    }

    .pillars {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .nav-links .btn-ai {
        padding: 7px 12px 7px 10px;
        font-size: 11.5px;
    }

    .nav-links .btn-ai .btn-ai-icon {
        width: 13px;
        height: 13px;
    }

    .stats-and-ai {
        grid-template-columns: minmax(0, 1.05fr) minmax(200px, 0.95fr);
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .nav-inner {
        padding: 0 20px;
    }

    .logo-tag {
        display: none;
    }

    .logo-text {
        font-size: 15px;
    }

    .logo-mark {
        width: 32px;
        height: 32px;
    }

    .nav-links {
        position: fixed;
        top: 68px;
        left: 20px;
        right: 20px;
        flex-direction: column;
        align-items: stretch;
        background: var(--bg);
        border: 1px solid var(--line-strong);
        border-radius: 4px;
        padding: 18px;
        gap: 4px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
        transition: all 0.35s var(--ease-out);
    }

    .nav-links.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-link {
        padding: 16px 18px;
        font-size: 14px;
    }

    .nav-link::before {
        display: none;
    }

    .nav-toggle {
        display: block;
        width: 42px;
        height: 42px;
    }

    .hero {
        padding: 120px 20px 72px;
        min-height: 92vh;
    }

    .hero-meta {
        gap: 14px;
        font-size: 11px;
        flex-wrap: wrap;
    }

    .hero-meta .meta-item:nth-child(2) {
        display: none;
    }

    .hero-title {
        margin: 56px 0;
        font-size: clamp(48px, 15vw, 78px);
        line-height: 0.9;
    }

    .title-line--accent {
        padding-left: 0;
    }

    .hero-bottom {
        gap: 28px;
    }

    .hero-desc {
        max-width: 100%;
        font-size: 16px;
        line-height: 1.75;
    }

    .hero-scroll {
        display: none;
    }

    .about,
    .vision,
    .projects {
        padding: 88px 0;
    }

    .join {
        padding: 88px 0 40px;
    }

    .section-label {
        padding: 0 20px;
        margin-bottom: 36px;
        font-size: 11px;
        gap: 12px;
        letter-spacing: 0.1em;
    }

    .label-num {
        font-size: 12px;
    }

    .label-line {
        max-width: 60px;
    }

    .section-title {
        padding: 0 20px;
        margin-bottom: 28px !important;
        font-size: clamp(30px, 8.2vw, 48px);
        line-height: 1.12;
    }

    .section-text {
        font-size: 16px;
        line-height: 1.8;
    }

    .about-grid,
    .vision-header,
    .projects > .section-title,
    .pillars,
    .project-list,
    .join-inner {
        padding-left: 20px;
        padding-right: 20px;
    }

    .about-image {
        max-width: 420px;
        aspect-ratio: 4/5;
        margin: 0 auto;
    }

    .about-image > picture > img {
        object-position: 50% 18%;
    }

    .stat-num {
        font-size: clamp(36px, 9vw, 48px);
    }

    .stat-label {
        font-size: 11px;
    }

    .stats {
        gap: 24px 32px;
        margin-top: 40px;
        padding-top: 28px;
    }

    .pillar {
        padding: 30px 24px;
    }

    .pillar-title {
        font-size: 22px;
        line-height: 1.3;
    }

    .pillar-sub {
        font-size: 0.48em;
        margin-top: 5px;
    }

    .pillar-desc {
        font-size: 15px;
        line-height: 1.75;
    }

    .pillar-index {
        font-size: 12px;
        margin-bottom: 20px;
    }

    .project {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 30px 0;
    }

    .project:hover {
        padding: 30px 14px;
    }

    .project-num {
        font-size: 12px;
    }

    .project-title {
        font-size: 19px;
        line-height: 1.3;
    }

    .project-desc {
        font-size: 15px;
        line-height: 1.7;
    }

    .tag {
        font-size: 11px;
        padding: 5px 11px;
    }

    .project-status {
        justify-self: start;
        font-size: 12px;
    }

    .project-image {
        width: min(640px, 93%);
        margin-top: 20px;
        aspect-ratio: 16 / 9;
    }

    .project-image > picture > img {
        object-position: 50% 25%;
    }

    .nav-links .btn-ai {
        padding: 9px 14px 9px 12px;
        font-size: 12px;
        order: -1;
        margin-bottom: 4px;
        width: 100%;
        justify-content: center;
    }

    .nav-links {
        gap: 4px;
    }

    .stats-and-ai {
        grid-template-columns: 1fr;
        gap: 20px;
        padding-top: 22px;
        margin-top: 12px;
    }

    .stats-and-ai .stats {
        gap: 24px 32px;
    }

    .btn-ai--block {
        margin-top: 4px;
        justify-content: center;
        width: min(420px, 100%);
    }

    .join-title {
        font-size: clamp(32px, 9.5vw, 56px);
        line-height: 1.1;
    }

    .join-desc {
        font-size: 16px;
        line-height: 1.8;
        margin: 0 auto 32px;
    }

    .join-actions {
        flex-direction: column;
        margin-bottom: 36px;
    }

    .btn {
        justify-content: center;
        width: 100%;
        padding: 16px 24px;
        font-size: 14px;
    }

    .join-info {
        aspect-ratio: 16/9;
    }

    .footer {
        padding: 72px 0 36px;
    }

    .footer-inner {
        padding: 0 20px;
    }

    .footer-logo {
        font-size: 26px;
    }

    .footer-tagline {
        font-size: 15px;
    }

    .footer-top {
        gap: 48px;
        padding-bottom: 48px;
    }

    .footer-cols {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }

    .footer-col-title {
        font-size: 12px;
    }

    .footer-link,
    .footer-text {
        font-size: 15px;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding-top: 28px;
    }

    .footer-copy {
        font-size: 10px;
        line-height: 1.6;
    }

    .wc-word {
        font-size: clamp(20px, 7vw, 40px);
    }

    .wc-spacer {
        height: 120vh;
    }
}

@media (max-width: 430px) {
    .nav-inner {
        padding: 0 18px;
    }

    .logo-text {
        font-size: 14px;
    }

    .hero {
        padding: 112px 18px 64px;
    }

    .hero-meta {
        gap: 12px;
        font-size: 10.5px;
    }

    .hero-title {
        font-size: clamp(42px, 12.5vw, 60px);
        margin: 48px 0;
    }

    .hero-desc {
        font-size: 15.5px;
    }

    .about,
    .vision,
    .projects {
        padding: 76px 0;
    }

    .join {
        padding: 76px 0 36px;
    }

    .section-label {
        padding: 0 18px;
        font-size: 10.5px;
        margin-bottom: 32px;
    }

    .section-title {
        padding: 0 18px;
        font-size: clamp(28px, 8.5vw, 40px);
        margin-bottom: 24px !important;
    }

    .section-text {
        font-size: 15.5px;
    }

    .about-grid,
    .vision-header,
    .projects > .section-title,
    .pillars,
    .project-list,
    .join-inner {
        padding-left: 18px;
        padding-right: 18px;
    }

    .about-image {
        aspect-ratio: 5/6;
        max-width: 360px;
    }

    .about-image > picture > img {
        object-position: 50% 16%;
    }

    .stats {
        flex-direction: column;
        gap: 22px;
        margin-top: 36px;
        padding-top: 24px;
    }

    .stat-num {
        font-size: clamp(34px, 10vw, 42px);
    }

    .pillar {
        padding: 26px 22px;
    }

    .pillar-index {
        margin-bottom: 16px;
    }

    .pillar-title {
        font-size: 21px;
    }

    .pillar-sub {
        font-size: 0.48em;
    }

    .pillar-desc {
        font-size: 14.5px;
        margin-bottom: 22px;
    }

    .project {
        padding: 26px 0;
    }

    .project:hover {
        padding: 26px 12px;
    }

    .project-title {
        font-size: 18px;
    }

    .project-desc {
        font-size: 14.5px;
    }

    .tag {
        font-size: 10.5px;
        padding: 4px 9px;
    }

    .project-image {
        width: 94%;
        margin-top: 18px;
    }

    .project-image > picture > img {
        object-position: 50% 20%;
    }

    .btn-ai--block {
        padding: 11px 16px 11px 14px;
        font-size: 12.5px;
    }

    .join-title {
        font-size: clamp(30px, 10vw, 46px);
    }

    .join-desc {
        font-size: 15.5px;
    }

    .btn {
        padding: 15px 20px;
        font-size: 13.5px;
    }

    .join-info {
        aspect-ratio: 16/10;
    }

    .footer {
        padding: 64px 0 32px;
    }

    .footer-inner {
        padding: 0 18px;
    }

    .footer-top {
        gap: 40px;
        padding-bottom: 40px;
    }

    .footer-logo {
        font-size: 24px;
    }

    .footer-tagline {
        font-size: 14.5px;
    }

    .footer-cols {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer-link,
    .footer-text {
        font-size: 14.5px;
    }

    .wc-word {
        font-size: clamp(20px, 8vw, 34px);
    }

    .wc-spacer {
        height: 115vh;
    }
}

@media (max-width: 390px) {
    .nav-inner {
        padding: 0 16px;
    }

    .nav-toggle {
        width: 40px;
        height: 40px;
    }

    .hero {
        padding: 108px 16px 58px;
        min-height: 90vh;
    }

    .hero-meta {
        font-size: 10px;
        gap: 10px;
    }

    .hero-meta .meta-item:first-child span:last-child {
        display: none;
    }

    .hero-title {
        font-size: clamp(40px, 12.2vw, 52px);
        margin: 44px 0;
    }

    .hero-desc {
        font-size: 15px;
    }

    .about,
    .vision,
    .projects {
        padding: 72px 0;
    }

    .join {
        padding: 72px 0 32px;
    }

    .section-label {
        padding: 0 16px;
        font-size: 10px;
        margin-bottom: 28px;
    }

    .section-title {
        padding: 0 16px;
        font-size: clamp(26px, 8.2vw, 36px);
    }

    .section-text {
        font-size: 15px;
    }

    .about-grid,
    .vision-header,
    .projects > .section-title,
    .pillars,
    .project-list,
    .join-inner {
        padding-left: 16px;
        padding-right: 16px;
    }

    .about-image {
        aspect-ratio: 1/1.15;
        max-width: 320px;
    }

    .about-image > picture > img {
        object-position: 50% 14%;
    }

    .pillar {
        padding: 24px 20px;
    }

    .pillars {
        gap: 12px;
    }

    .pillar-title {
        font-size: 20px;
    }

    .pillar-sub {
        font-size: 0.46em;
    }

    .pillar-desc {
        font-size: 14px;
    }

    .project {
        padding: 24px 0;
    }

    .project-title {
        font-size: 17px;
    }

    .project-desc {
        font-size: 14px;
    }

    .project-num,
    .project-status {
        font-size: 11.5px;
    }

    .tag {
        font-size: 10px;
        padding: 4px 9px;
    }

    .project-image {
        width: 95%;
        margin-top: 16px;
        aspect-ratio: 16 / 10;
    }

    .project-image > picture > img {
        object-position: 50% 18%;
    }

    .btn-ai--block {
        padding: 10.5px 15px 10.5px 13px;
        font-size: 12px;
    }

    .join-title {
        font-size: clamp(28px, 9.8vw, 40px);
    }

    .join-desc {
        font-size: 15px;
    }

    .btn {
        padding: 14px 20px;
        font-size: 13px;
    }

    .footer {
        padding: 60px 0 28px;
    }

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

    .footer-logo {
        font-size: 22px;
    }

    .footer-cols {
        gap: 22px;
    }

    .footer-link,
    .footer-text {
        font-size: 14px;
    }

    .wc-word {
        font-size: clamp(18px, 7.5vw, 30px);
    }

    .wc-spacer {
        height: 110vh;
    }
}

@media (max-width: 375px) {
    .logo-mark {
        width: 28px;
        height: 28px;
    }

    .logo-text {
        font-size: 13px;
    }

    .nav-link {
        padding: 14px 16px;
        font-size: 13.5px;
    }

    .hero {
        padding: 104px 16px 56px;
    }

    .hero-meta {
        font-size: 9.5px;
    }

    .hero-title {
        font-size: 44px;
        margin: 40px 0;
    }

    .hero-desc {
        font-size: 14.5px;
    }

    .about,
    .vision,
    .projects {
        padding: 68px 0;
    }

    .join {
        padding: 68px 0 30px;
    }

    .section-label {
        padding: 0 16px;
        font-size: 9.5px;
        margin-bottom: 26px;
    }

    .section-title {
        padding: 0 16px;
        font-size: 26px;
        line-height: 1.15;
    }

    .section-text {
        font-size: 14.5px;
    }

    .about-image {
        aspect-ratio: 1/1.2;
        max-width: 300px;
    }

    .about-image > picture > img {
        object-position: 50% 12%;
    }

    .pillar {
        padding: 22px 18px;
    }

    .pillar-title {
        font-size: 19px;
    }

    .pillar-sub {
        font-size: 0.46em;
    }

    .pillar-desc {
        font-size: 13.5px;
    }

    .project {
        padding: 22px 0;
    }

    .project-title {
        font-size: 16.5px;
    }

    .project-desc {
        font-size: 13.5px;
    }

    .project-image {
        width: 96%;
        margin-top: 14px;
        aspect-ratio: 4 / 3;
    }

    .project-image > picture > img {
        object-position: 50% 15%;
    }

    .btn-ai--block {
        padding: 10px 14px 10px 12px;
        font-size: 11.5px;
    }

    .join-title {
        font-size: 28px;
    }

    .join-desc {
        font-size: 14.5px;
        margin-bottom: 28px;
    }

    .btn {
        padding: 13px 18px;
        font-size: 13px;
    }

    .join-info {
        aspect-ratio: 16/10;
    }

    .footer {
        padding: 56px 0 28px;
    }

    .footer-logo {
        font-size: 20px;
    }

    .footer-tagline {
        font-size: 14px;
    }

    .footer-col-title {
        font-size: 11px;
    }

    .footer-link,
    .footer-text {
        font-size: 13.5px;
    }

    .wc-word {
        font-size: clamp(16px, 7vw, 26px);
    }

    .wc-spacer {
        height: 105vh;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .wc-word {
        transform: translate(-50%, -50%) translate3d(0, 0, 0) !important;
        opacity: 1 !important;
        filter: blur(0) !important;
    }
}