:root{color-scheme:light;--bg-primary: #f5f2ea;--bg-secondary: #ede9de;--bg-card: rgba(255, 255, 255, .52);--bg-card-hover: rgba(255, 255, 255, .9);--bg-elevated: rgba(250, 247, 240, .88);--bg-code: #0c0b09;--bg-inverse: #16140f;--text-primary: #1a1712;--text-secondary: #57534a;--text-tertiary: #6a6555;--text-on-dark: #f4efe3;--text-on-dark-secondary: #a8a294;--accent: #b3862c;--accent-text: #856218;--accent-light: #8f6b1d;--accent-dark: #7a5a16;--accent-glow: rgba(179, 134, 44, .16);--border: rgba(26, 23, 18, .14);--border-soft: rgba(26, 23, 18, .08);--border-hover: rgba(26, 23, 18, .3);--surface-highlight: rgba(255, 255, 255, .66);--divider-strong: rgba(26, 23, 18, .22);--shadow-color: rgba(72, 58, 32, .12);--section-ambient: radial-gradient(circle at 50% 0%, rgba(179, 134, 44, .08), transparent 32rem);--nav-surface: rgba(250, 247, 240, .78);--nav-surface-strong: rgba(250, 247, 240, .94);--nav-border: rgba(26, 23, 18, .12);--nav-shadow: 0 18px 54px rgba(74, 62, 38, .12), inset 0 1px 0 rgba(255, 255, 255, .84);--focus-ring: #1a1712;--hero-action-bg: #1a1712;--hero-action-border: #1a1712;--hero-action-text: #f5f2ea;--hero-action-shadow: rgba(26, 23, 18, .28);--font-brand: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-sans: "Inter", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-display: "Fraunces", "Noto Serif SC", "Songti SC", Georgia, serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.5rem;--text-2xl: 2rem;--text-hero: 7rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-7: 1.75rem;--space-8: 2rem;--space-9: 2.25rem;--space-10: 2.5rem;--space-12: 3rem;--space-14: 3.5rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--space-32: 8rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 18px;--radius-full: 9999px;--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-in-out: cubic-bezier(.65, 0, .35, 1);--duration-fast: .15s;--duration-normal: .3s;--duration-slow: .6s;--max-width: 1200px;--nav-height: 64px}:root[data-theme=dark]{color-scheme:dark;--bg-primary: #090907;--bg-secondary: #100f0c;--bg-card: #14120e;--bg-card-hover: #1a1712;--bg-elevated: rgba(14, 13, 10, .82);--bg-code: #080706;--bg-inverse: #f2ede0;--text-primary: #f2ede0;--text-secondary: #b0a894;--text-tertiary: #8b8474;--text-on-dark: #f4efe3;--text-on-dark-secondary: #a8a294;--accent: #e0b45f;--accent-text: #e0b45f;--accent-light: #f0cd8a;--accent-dark: #c19440;--accent-glow: rgba(224, 180, 95, .16);--border: rgba(242, 237, 224, .12);--border-soft: rgba(242, 237, 224, .07);--border-hover: rgba(242, 237, 224, .26);--surface-highlight: rgba(255, 255, 255, .05);--divider-strong: rgba(242, 237, 224, .2);--shadow-color: rgba(0, 0, 0, .4);--section-ambient: radial-gradient(circle at 50% 0%, rgba(224, 180, 95, .06), transparent 32rem);--nav-surface: rgba(9, 9, 7, .68);--nav-surface-strong: rgba(6, 7, 8, .8);--nav-border: rgba(255, 255, 255, .12);--nav-shadow: 0 18px 60px rgba(0, 0, 0, .3), 0 0 24px rgba(255, 255, 255, .04), inset 0 1px 0 rgba(255, 255, 255, .1);--focus-ring: #f2ede0;--hero-action-bg: #f2ede0;--hero-action-border: #f2ede0;--hero-action-text: #16140f;--hero-action-shadow: rgba(242, 237, 224, .22)}:root.theme-transitioning,:root.theme-transitioning *,:root.theme-transitioning *:before,:root.theme-transitioning *:after{transition-property:color,background-color,background-image,border-color,box-shadow,fill,stroke,opacity,text-shadow!important;transition-duration:.3s!important;transition-timing-function:linear!important}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;overscroll-behavior-y:none;scroll-behavior:smooth;background:var(--bg-primary)}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:1.6;color:var(--text-primary);background:var(--bg-primary);overscroll-behavior-y:none;overflow-x:hidden}::selection{color:var(--bg-primary);background:var(--accent)}:where(a,button,input,textarea,summary):focus-visible{outline:2px solid var(--focus-ring);outline-offset:3px}[id]{scroll-margin-top:112px}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}img{display:block;max-width:100%}ul,ol{list-style:none}.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--space-6)}.section{padding:var(--space-32) 0;position:relative}.sec-head{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:var(--space-8);padding-bottom:var(--space-8);margin-bottom:var(--space-16);border-bottom:1px solid var(--divider-strong)}.sec-title{font-family:var(--font-display);font-size:clamp(2.1rem,4.4vw,3.4rem);font-weight:500;line-height:1.18;letter-spacing:.01em;text-wrap:balance}.sec-note{max-width:300px;padding-bottom:var(--space-2);font-size:var(--text-sm);line-height:1.8;color:var(--text-tertiary);text-align:right;text-wrap:balance}@media(max-width:860px){.sec-head{grid-template-columns:minmax(0,1fr);gap:var(--space-4)}.sec-note{max-width:none;padding-bottom:0;text-align:left}}.label{font-family:var(--font-mono);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.16em;color:var(--accent-light);font-weight:500}.eyebrow{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.12em;text-transform:uppercase;color:var(--text-tertiary)}.panel-dark{border:1px solid var(--border);background:linear-gradient(180deg,var(--surface-highlight),color-mix(in srgb,var(--bg-card) 76%,transparent));box-shadow:0 24px 80px var(--shadow-color),inset 0 1px 0 var(--surface-highlight)}.btn,.btn-inline{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:500;white-space:nowrap;transition:transform var(--duration-fast) var(--ease-out),background var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.btn:hover,.btn-inline:hover{transform:translateY(-1px)}.btn-primary{background:var(--bg-inverse);color:var(--bg-primary);box-shadow:0 14px 34px var(--hero-action-shadow)}.btn-primary:hover{box-shadow:0 20px 46px var(--hero-action-shadow)}.btn-ghost{color:var(--text-primary);border:1px solid var(--border);background:var(--bg-card)}.btn-ghost:hover{border-color:var(--border-hover);background:var(--bg-card-hover)}.btn-outline{color:var(--text-primary);border:1px solid var(--border);background:transparent}.btn-outline:hover{border-color:var(--border-hover);background:var(--bg-card-hover)}.link-arrow{display:inline-flex;align-items:center;font-size:var(--text-sm);color:var(--text-primary);border-bottom:1px solid var(--divider-strong);padding-bottom:2px;transition:border-color var(--duration-fast) var(--ease-out)}.link-arrow:hover{border-color:var(--accent-text)}@media(max-width:1100px){:root{--text-hero: 5.8rem}}@media(max-width:768px){:root{--text-hero: 4.4rem;--text-2xl: 1.75rem}.section{padding:var(--space-20) 0}}@media(max-width:520px){:root{--text-hero: 3.45rem}}.reveal,.reveal-left,.reveal-right,.reveal-scale,.hero-reveal{opacity:1;transform:none}html.reveal-ready :is(.reveal,.reveal-left,.reveal-right,.reveal-scale):not(.reveal-done),html.reveal-ready .stagger-children>*:not(.reveal-done){opacity:0}html.reveal-ready .reveal.reveal-in{animation:reveal-up .8s var(--ease-out) backwards}html.reveal-ready .reveal-left.reveal-in{animation:reveal-left .8s var(--ease-out) backwards}html.reveal-ready .reveal-right.reveal-in{animation:reveal-right .8s var(--ease-out) backwards}html.reveal-ready .reveal-scale.reveal-in{animation:reveal-scale .8s var(--ease-out) backwards}html.reveal-ready .stagger-children>.reveal-in{animation:reveal-stagger .6s var(--ease-out) backwards;animation-delay:calc(var(--reveal-i, 0) * .12s)}@keyframes reveal-up{0%{opacity:0;transform:translateY(24px)}}@keyframes reveal-left{0%{opacity:0;transform:translate(-24px)}}@keyframes reveal-right{0%{opacity:0;transform:translate(24px)}}@keyframes reveal-scale{0%{opacity:0;transform:scale(.96)}}@keyframes reveal-stagger{0%{opacity:0;transform:translateY(30px)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}html{scroll-behavior:auto}}.skip-link{position:absolute;top:-48px;left:12px;z-index:200;padding:10px 16px;border-radius:6px;background:#0b1114;color:#fff;font-size:.875rem;transition:top .2s ease-out}.skip-link:focus{top:12px}