:root{--bg: #ffffff;--bg-subtle: #f5f5f7;--text: #1d1d1f;--text-secondary: #6e6e73;--hairline: rgba(0, 0, 0, .12);--accent: #a05a1e;--nav-bg: rgba(255, 255, 255, .72);--font: -apple-system, BlinkMacSystemFont, "SF Pro SC", "SF Pro Text", "PingFang SC", "Helvetica Neue", "Segoe UI", "Microsoft YaHei", sans-serif}@media (prefers-color-scheme: dark){:root{--bg: #000000;--bg-subtle: #161617;--text: #f5f5f7;--text-secondary: #86868b;--hairline: rgba(255, 255, 255, .16);--accent: #d9a15c;--nav-bg: rgba(0, 0, 0, .72)}}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:64px}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}.container{max-width:980px;margin:0 auto;padding:0 24px}.nav{position:sticky;top:0;z-index:100;background:var(--nav-bg);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid transparent;transition:border-color .4s ease}.nav--scrolled{border-bottom-color:var(--hairline)}.nav__inner{max-width:980px;margin:0 auto;padding:0 24px;height:52px;display:flex;align-items:center;justify-content:space-between}.nav__brand{font-size:15px;font-weight:600;letter-spacing:.02em}.nav__links{display:flex;gap:28px}.nav__links a{font-size:13px;color:var(--text-secondary);transition:color .3s ease}.nav__links a:hover{color:var(--text)}.nav__cloud{color:var(--accent)!important}.hero{min-height:88vh;display:flex;align-items:center;padding:120px 0 100px}.hero__inner{text-align:center;width:100%}.hero__kicker{font-size:14px;letter-spacing:.08em;color:var(--text-secondary);margin-bottom:28px}.hero__name{font-size:clamp(56px,10vw,108px);font-weight:700;letter-spacing:-.03em;line-height:1.02;margin-bottom:32px}.hero__sub{font-size:clamp(17px,2.4vw,21px);color:var(--text-secondary);max-width:640px;margin:0 auto;line-height:1.7}.hero__scroll{display:inline-block;margin-top:72px;color:var(--text-secondary)}.hero__arrow{display:inline-block;font-size:18px;animation:drift 2.4s ease-in-out infinite}@keyframes drift{0%,to{transform:translateY(0)}50%{transform:translateY(6px)}}.section{padding:130px 0;border-top:1px solid var(--hairline)}.section--last{border-bottom:1px solid var(--hairline)}.kicker{font-size:13px;letter-spacing:.1em;color:var(--text-secondary);margin-bottom:44px}.about__lead{font-size:clamp(24px,3.6vw,34px);font-weight:600;letter-spacing:-.01em;line-height:1.45;max-width:760px;margin-bottom:28px}.about__body{font-size:16px;color:var(--text-secondary);max-width:640px;line-height:1.9}.stack__text{font-size:15px;color:var(--text-secondary);margin-bottom:24px}.stack__items{font-size:clamp(20px,3vw,28px);font-weight:500;letter-spacing:-.01em;line-height:1.6;max-width:760px}.contact__links{display:flex;align-items:center;gap:28px;flex-wrap:wrap}.contact__mail{font-size:18px;color:var(--accent);border-bottom:1px solid transparent;transition:border-color .3s ease}.contact__mail:hover{border-bottom-color:var(--accent)}.footer{padding:40px 0}.footer__inner{display:flex;justify-content:space-between;font-size:12px;color:var(--text-secondary)}[data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .9s ease var(--d, 0ms),transform .9s ease var(--d, 0ms)}[data-reveal].is-visible{opacity:1;transform:none}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}[data-reveal]{opacity:1;transform:none;transition:none}.hero__arrow{animation:none}}@media (max-width: 768px){.hero{min-height:82vh;padding:100px 0 80px}.section{padding:90px 0}.nav__links{gap:20px}}