:root { --accent:#1e3a8a; --bg:#f9fafb; --fg:#111; --muted:#666; --sidebar-width:240px; }
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',sans-serif;line-height:1.6;color:var(--fg);background:var(--bg);opacity:0;transition:opacity .3s ease}
.sidebar{position:fixed;left:0;top:0;width:var(--sidebar-width);height:100vh;background:var(--bg);border-right:1px solid #eee;display:flex;flex-direction:column;z-index:100}
.site-title{padding:2rem 1.5rem 1rem;font-size:1.25rem;font-weight:600;color:var(--accent);text-decoration:none}
.lang{padding:0 1.5rem .5rem;display:flex;gap:.5rem;align-items:center}
.lang button{border:1px solid #d5d5d5;background:#fff;color:var(--muted);padding:.2rem .55rem;border-radius:999px;font-size:.78rem;cursor:pointer}
.lang button.active{border-color:var(--accent);color:var(--accent);font-weight:600}
.nav{flex:1;padding:1rem 1.5rem}
.nav a{display:flex;align-items:center;min-height:44px;padding:.5rem 0;color:var(--fg);text-decoration:none;transition:all .3s ease;position:relative}
.nav a:hover{color:var(--accent);transform:translateX(5px)}
.nav a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--accent);transition:width .3s ease}
.nav a:hover::after{width:100%}
.social{padding:1rem 1.5rem 2rem;border-top:1px solid #eee}
.social a{display:block;padding:.25rem 0;color:var(--muted);text-decoration:none;font-size:.9rem}
.social a:hover{color:var(--accent)}
.hamburger{display:none;position:fixed;top:1rem;right:1rem;z-index:200;background:none;border:1px solid #ddd;border-radius:6px;padding:.35rem .5rem;font-size:1.1rem;cursor:pointer;color:var(--fg);min-width:44px;min-height:44px;touch-action:manipulation}
.main{margin-left:var(--sidebar-width);min-height:100vh}
.hero{position:relative;height:100vh;display:flex;align-items:center;padding:0 2rem;overflow:hidden}
.hero-image{position:absolute;left:0;top:50%;transform:translateY(-50%);width:50%;height:80%;background:linear-gradient(45deg,#f0f0f0,#e0e0e0);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:3rem;color:var(--muted);transition:all .3s ease;cursor:pointer}
.hero-image:hover{transform:translateY(-50%) scale(1.02);box-shadow:0 8px 25px rgba(0,0,0,.1)}
.hero-content{position:relative;z-index:2;text-align:right;width:100%}
.hero-title{font-size:clamp(40px,10vw,160px);line-height:.9;font-weight:700;color:var(--accent);margin-bottom:1rem}
.hero-cta{display:inline-block;color:var(--accent);text-decoration:none;font-size:1.1rem;font-weight:500;margin-top:2rem;padding:.5rem 1rem;border:2px solid var(--accent);border-radius:6px;transition:all .3s ease}
.hero-cta:hover{background:var(--accent);color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px rgba(30,64,175,.3)}
.photo-credit{position:absolute;left:1rem;bottom:2rem;transform:rotate(-90deg);transform-origin:left center;font-size:.75rem;color:var(--muted);z-index:3}
section{padding:4rem 2rem;max-width:1200px;margin:0 auto}
.section-title{font-size:clamp(2rem,5vw,4rem);color:var(--accent);margin-bottom:2rem;position:relative;display:inline-block}
.section-title::after{content:'';position:absolute;bottom:-10px;left:0;width:0;height:3px;background:var(--accent);transition:width .6s ease}
.section-title.animate::after{width:100%}
.floating-contact{position:fixed;bottom:2rem;right:2rem;background:var(--accent);color:#fff;padding:1rem 1.5rem;border-radius:50px;text-decoration:none;font-weight:500;box-shadow:0 4px 12px rgba(30,64,175,.3);transition:all .3s ease;z-index:50}
.floating-contact:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 8px 20px rgba(30,64,175,.4)}
.fade-in{opacity:0;transform:translateY(30px);transition:all .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}
.pulse{animation:pulse 2s infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
html{scroll-behavior:smooth}
a:focus,button:focus{outline:2px solid var(--accent);outline-offset:2px}
@media (max-width:899px){.sidebar{transform:translateX(-100%);transition:transform .3s;width:280px}.sidebar.open{transform:translateX(0)}.hamburger{display:block}.main{margin-left:0}.hero{flex-direction:column;text-align:center;padding:2rem 1rem;height:auto;min-height:100vh}.hero-image{position:relative;width:180px;height:180px;margin-bottom:2rem;border-radius:50%}.hero-content{text-align:center}.hero-title{font-size:clamp(32px,8vw,80px)}.photo-credit{display:none}.floating-contact{bottom:1rem;right:1rem;padding:.75rem 1.25rem;font-size:.9rem}section{padding:2rem 1rem}.nav a{padding:.75rem 0;font-size:1.1rem}.site-title{font-size:1.1rem;padding:1.5rem 1rem .5rem}.lang{display:none}}
@media (max-width:480px){.hero-title{font-size:clamp(28px,6vw,60px)}.section-title{font-size:clamp(1.5rem,4vw,2.5rem)}.hero-image{width:140px;height:140px}.floating-contact{bottom:.5rem;right:.5rem;padding:.5rem 1rem;font-size:.8rem}.hamburger{top:.5rem;right:.5rem;padding:.25rem .4rem;font-size:1rem}.sidebar{width:100vw}.nav{padding:.5rem 1rem}.social{padding:.5rem 1rem 1rem}}
.hidden{display:none}