*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
--bg:#0a0a0c;--card:rgba(255,255,255,0.03);--border:rgba(255,255,255,0.06);
--border-h:rgba(245,158,11,0.3);--text:#fafafa;--text2:rgba(250,250,250,0.6);
--muted:rgba(250,250,250,0.35);--accent:#f59e0b;--accent2:#fbbf24;--accent3:#d97706;
--grad:linear-gradient(135deg,#fbbf24,#d97706);--rad-md:14px;--rad-lg:20px;
--tr:0.3s cubic-bezier(0.4,0,0.2,1);--font:'Inter',sans-serif;--disp:'Playfair Display',serif;
}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}

/* Ambient */
.ambient-orb{position:fixed;border-radius:50%;filter:blur(120px);opacity:.1;pointer-events:none;z-index:0}
.ambient-orb-1{width:600px;height:600px;background:#d97706;top:-200px;left:-200px;animation:ob1 20s ease-in-out infinite}
.ambient-orb-2{width:500px;height:500px;background:#f59e0b;top:50%;right:-150px;animation:ob2 25s ease-in-out infinite}
.ambient-orb-3{width:400px;height:400px;background:#ef4444;bottom:-100px;left:30%;animation:ob3 18s ease-in-out infinite}
@keyframes ob1{0%,100%{transform:translate(0,0)}50%{transform:translate(80px,60px)}}
@keyframes ob2{0%,100%{transform:translate(0,0)}50%{transform:translate(-60px,-80px)}}
@keyframes ob3{0%,100%{transform:translate(0,0)}50%{transform:translate(40px,-50px)}}
.grid-overlay{position:fixed;inset:0;background-image:linear-gradient(rgba(255,255,255,.015) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.015) 1px,transparent 1px);background-size:60px 60px;pointer-events:none;z-index:0}

/* Nav */
.navbar{position:fixed;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:16px 40px;background:rgba(10,10,12,.7);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);z-index:1000;transition:var(--tr)}
.navbar.scrolled{background:rgba(10,10,12,.92);box-shadow:0 4px 30px rgba(0,0,0,.3)}
.nav-brand{display:flex;align-items:center;gap:10px}
.brand-icon{width:40px;height:40px;border-radius:8px;background:rgba(245,158,11,.1);display:flex;align-items:center;justify-content:center}
.brand-name{font-weight:700;font-size:1.15rem;letter-spacing:-.5px}
.nav-links{display:flex;gap:8px}
.nav-link{text-decoration:none;color:var(--text2);font-size:.88rem;font-weight:500;padding:8px 16px;border-radius:8px;transition:var(--tr)}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}

/* Hero */
.hero{position:relative;z-index:1;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:120px 40px 80px;gap:60px}
.hero-content{max-width:560px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px 6px 10px;background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.2);border-radius:999px;font-size:.78rem;font-weight:600;color:var(--accent);margin-bottom:24px;text-transform:uppercase;letter-spacing:1px}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.5)}}
.hero-title{margin-bottom:20px}
.title-line{display:block;font-family:var(--disp);font-size:clamp(2.5rem,5vw,4rem);font-weight:800;line-height:1.1;letter-spacing:-1.5px}
.title-gradient{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-subtitle{font-size:1.05rem;color:var(--text2);line-height:1.7;margin-bottom:32px;max-width:480px}
.hero-cta{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;background:var(--grad);color:#1a1a1a;text-decoration:none;font-weight:700;font-size:.95rem;border-radius:var(--rad-md);transition:var(--tr);box-shadow:0 4px 25px rgba(245,158,11,.3)}
.hero-cta:hover{transform:translateY(-2px);box-shadow:0 8px 35px rgba(245,158,11,.45)}

/* Hero Visual */
.hero-visual{position:relative;width:340px;height:340px;flex-shrink:0}
.spoon-display{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.spoon-svg{width:180px;height:180px;filter:drop-shadow(0 0 30px rgba(245,158,11,.2));animation:floatSpoon 6s ease-in-out infinite}
@keyframes floatSpoon{0%,100%{transform:translateY(0) rotate(-5deg)}50%{transform:translateY(-12px) rotate(5deg)}}
.spoon-fill-rect{animation:fillPulse 3s ease-in-out infinite}
@keyframes fillPulse{0%,100%{y:70;height:36}50%{y:60;height:46}}
.measure-particle{animation:sparkle 2s ease-in-out infinite}
.mp1{animation-delay:0s}.mp2{animation-delay:.5s}.mp3{animation-delay:1s}.mp4{animation-delay:1.5s}
@keyframes sparkle{0%,100%{opacity:.2;transform:translateY(0)}50%{opacity:.8;transform:translateY(-4px)}}

.floating-card{position:absolute;background:var(--card);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--rad-md);padding:14px 20px;display:flex;flex-direction:column;gap:4px;transition:var(--tr)}
.floating-card:hover{border-color:var(--border-h);transform:scale(1.05)!important}
.fc-1{top:8%;left:0;animation:fc 6s ease-in-out infinite}
.fc-2{top:40%;right:-10px;animation:fc 6s ease-in-out 2s infinite}
.fc-3{bottom:8%;left:10%;animation:fc 6s ease-in-out 4s infinite}
@keyframes fc{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.fc-label{font-size:.7rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);font-weight:600}
.fc-value{font-size:1.4rem;font-weight:800;letter-spacing:-.5px}
.fc-tsp{color:var(--accent2)}.fc-grams{color:#34d399}.fc-ingr{color:#f472b6}

/* Sections */
.section{position:relative;z-index:1;padding:100px 40px;max-width:1200px;margin:0 auto}
.section-header{text-align:center;margin-bottom:56px}
.section-tag{display:inline-block;padding:5px 14px;background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.15);border-radius:999px;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--accent);margin-bottom:16px}
.section-title{font-family:var(--disp);font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:800;letter-spacing:-1px;margin-bottom:12px}
.section-desc{color:var(--text2);font-size:1rem;max-width:520px;margin:0 auto}

.glass-card{background:var(--card);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--rad-lg);transition:var(--tr)}
.glass-card:hover{border-color:var(--border-h)}

/* Converter */
.converter-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.calc-card{padding:36px}
.card-title{display:flex;align-items:center;gap:10px;font-size:1.1rem;font-weight:700;margin-bottom:28px;color:var(--accent)}
.input-group{margin-bottom:22px}
.input-label{display:block;font-size:.82rem;font-weight:600;color:var(--text2);margin-bottom:8px;text-transform:uppercase;letter-spacing:.8px}
.input-wrapper{display:flex;align-items:center;background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:8px;overflow:hidden;transition:var(--tr)}
.input-wrapper:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(245,158,11,.15)}
.input-wrapper-grow{flex:1}
.input-prefix{padding:0 14px;color:var(--accent);border-right:1px solid var(--border);display:flex;align-items:center}
.calc-input{flex:1;padding:14px 16px;background:transparent;border:none;outline:none;color:var(--text);font-family:var(--font);font-size:1.15rem;font-weight:600}
.calc-input::placeholder{color:var(--muted)}
.calc-input::-webkit-inner-spin-button{-webkit-appearance:none}

.select-wrapper{position:relative}
.calc-select{width:100%;padding:14px 16px;background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:var(--font);font-size:.95rem;font-weight:500;appearance:none;cursor:pointer;transition:var(--tr);outline:none}
.calc-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(245,158,11,.15)}
.calc-select option{background:#1a1a1c;color:var(--text);padding:4px 8px}
.calc-select optgroup{color:var(--accent);font-weight:700;font-style:normal;font-size:.85rem;padding:6px 0}
.select-arrow{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--accent);pointer-events:none}

/* Swap row */
.input-swap-row{display:flex;align-items:stretch;gap:10px}
.swap-btn{
    width:52px;flex-shrink:0;
    display:flex;align-items:center;justify-content:center;
    background:rgba(255,255,255,.04);
    border:1px solid var(--border);border-radius:10px;
    color:var(--accent);cursor:pointer;
    transition:all .4s cubic-bezier(.4,0,.2,1);
}
.swap-btn:hover{background:rgba(245,158,11,.12);border-color:var(--accent);transform:scale(1.05)}
.swap-btn:active{transform:scale(.95)}
.swap-btn.swapped{background:rgba(52,211,153,.1);border-color:rgba(52,211,153,.3);color:#34d399}
.swap-btn.swapped:hover{background:rgba(52,211,153,.18)}
.swap-btn svg{transition:transform .4s cubic-bezier(.4,0,.2,1)}
.swap-btn.swapped svg{transform:rotate(180deg)}

.swap-direction-label{
    display:flex;align-items:center;gap:8px;
    margin-top:8px;padding:6px 12px;
    background:rgba(245,158,11,.05);border:1px solid rgba(245,158,11,.08);
    border-radius:8px;font-size:.75rem;font-weight:600;color:var(--text2);
    width:fit-content;
}
.swap-direction-label svg{color:var(--accent);flex-shrink:0}
.dir-from{color:var(--accent2)}.dir-to{color:#34d399}

.quick-amounts{display:flex;flex-wrap:wrap;gap:8px}
.quick-btn{padding:8px 16px;background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:8px;color:var(--text2);font-family:var(--font);font-size:.85rem;font-weight:600;cursor:pointer;transition:var(--tr)}
.quick-btn:hover{border-color:var(--border-h);color:var(--text);background:rgba(245,158,11,.08)}
.quick-btn.active{background:rgba(245,158,11,.15);border-color:var(--accent);color:var(--accent)}

.calc-button{width:100%;padding:16px;display:flex;align-items:center;justify-content:center;gap:10px;background:var(--grad);border:none;border-radius:var(--rad-md);color:#1a1a1a;font-family:var(--font);font-size:1rem;font-weight:700;cursor:pointer;transition:var(--tr);box-shadow:0 4px 25px rgba(245,158,11,.3);margin-top:8px}
.calc-button:hover{transform:translateY(-2px);box-shadow:0 8px 35px rgba(245,158,11,.45)}
.calc-button:active{transform:translateY(0)}

/* Results */
.result-main{display:flex;align-items:center;justify-content:center;gap:24px;padding:30px 0;margin-bottom:20px;border-bottom:1px solid var(--border)}
.result-from,.result-to{text-align:center}
.result-from-value,.result-to-value{display:block;font-size:2.8rem;font-weight:900;letter-spacing:-2px;line-height:1}
.result-from-unit,.result-to-unit{font-size:.8rem;text-transform:uppercase;letter-spacing:2px;color:var(--muted);font-weight:600}
.result-from-value{color:var(--accent2)}
.result-to-value{color:#34d399}
.result-arrow{color:var(--accent);opacity:.5;animation:arrowPulse 2s ease-in-out infinite}
@keyframes arrowPulse{0%,100%{transform:translateX(0);opacity:.5}50%{transform:translateX(6px);opacity:1}}

.result-badges-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.result-ingredient-badge,.result-system-badge{display:inline-flex;align-items:center;padding:6px 16px;border-radius:999px;font-size:.78rem;font-weight:600}
.result-ingredient-badge{background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.15);color:var(--accent)}
.result-system-badge{background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.15);color:#38bdf8}

.result-extras{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.result-extra-item{padding:14px;background:rgba(255,255,255,.02);border:1px solid var(--border);border-radius:10px;display:flex;flex-direction:column;gap:4px;transition:var(--tr)}
.result-extra-item:hover{border-color:var(--border-h);background:rgba(255,255,255,.04)}
.extra-label{font-size:.7rem;text-transform:uppercase;letter-spacing:1px;color:var(--muted);font-weight:600}
.extra-value{font-size:1.05rem;font-weight:700;color:var(--text)}

/* Diagram */
.diagram-container{padding:48px 36px;overflow-x:auto}
.pipeline{display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:nowrap;margin-bottom:30px}
.pipeline-node{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;padding:22px 18px;background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:var(--rad-md);min-width:130px;transition:all .5s cubic-bezier(.4,0,.2,1);cursor:default}
.pipeline-node:hover{border-color:var(--border-h);transform:translateY(-4px)}
.node-glow{position:absolute;inset:-1px;border-radius:var(--rad-md);opacity:0;transition:opacity .5s;pointer-events:none}
.pipeline-node:hover .node-glow,.pipeline-node.active .node-glow{opacity:1}
.node-tsp .node-glow{box-shadow:0 0 30px rgba(251,191,36,.2)}.node-tsp .node-icon{color:#fbbf24}
.node-density .node-glow{box-shadow:0 0 30px rgba(56,189,248,.2)}.node-density .node-icon{color:#38bdf8}
.node-result .node-glow{box-shadow:0 0 40px rgba(52,211,153,.25)}.node-result .node-icon{color:#34d399}
.node-ounce .node-glow{box-shadow:0 0 30px rgba(244,114,182,.2)}.node-ounce .node-icon{color:#f472b6}
.node-result{background:rgba(52,211,153,.06);border-color:rgba(52,211,153,.2)}
.node-label{font-size:.7rem;text-transform:uppercase;letter-spacing:1.2px;color:var(--muted);font-weight:600}
.node-value{font-size:1.05rem;font-weight:800;color:var(--text);letter-spacing:-.3px}
.node-value-big{font-size:1.3rem;color:#34d399!important}

.pipeline-node.active{border-color:var(--accent);box-shadow:0 0 25px rgba(245,158,11,.2)}

.pipeline-connector{display:flex;align-items:center;justify-content:center;position:relative;width:70px;height:4px;flex-shrink:0}
.connector-line{position:absolute;width:100%;height:2px;background:linear-gradient(90deg,rgba(245,158,11,.1),rgba(245,158,11,.4),rgba(245,158,11,.1));border-radius:1px}
.connector-particle{position:absolute;left:0;top:50%;width:8px;height:8px;background:var(--accent);border-radius:50%;transform:translateY(-50%);box-shadow:0 0 12px var(--accent);animation:pMove 2s ease-in-out infinite}
@keyframes pMove{0%{left:0;opacity:0}20%{opacity:1}80%{opacity:1}100%{left:calc(100% - 8px);opacity:0}}
.connector-op{position:relative;z-index:2;padding:3px 8px;background:rgba(245,158,11,.15);border:1px solid rgba(245,158,11,.25);border-radius:6px;font-size:.72rem;font-weight:800;color:var(--accent)}

.diagram-info-row{display:flex;align-items:center;justify-content:center;gap:24px;flex-wrap:wrap;padding-top:20px;border-top:1px solid var(--border)}
.diagram-ingredient,.diagram-system{display:flex;align-items:center;gap:8px;font-size:.88rem;font-weight:600;color:var(--text2)}
.diag-ingr-dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.diag-sys-dot{width:8px;height:8px;border-radius:50%;background:#38bdf8}
.diagram-formula code{font-family:var(--font);font-size:.85rem;color:var(--accent);background:rgba(245,158,11,.08);padding:6px 14px;border-radius:6px;border:1px solid rgba(245,158,11,.12)}

/* Chart */
.chart-container{padding:48px 36px}
.chart-bars{display:flex;align-items:flex-end;justify-content:center;gap:14px;height:300px;padding:0 10px}
.chart-bar-group{display:flex;flex-direction:column;align-items:center;gap:8px;flex:1;max-width:72px}
.chart-bar-wrapper{width:100%;height:260px;display:flex;align-items:flex-end}
.chart-bar{width:100%;border-radius:6px 6px 0 0;position:relative;transition:height 1s cubic-bezier(.4,0,.2,1);cursor:pointer;overflow:hidden;min-height:4px}
.chart-bar:hover{filter:brightness(1.3)}
.bar-glow{position:absolute;top:0;left:0;right:0;height:40%;opacity:.5;border-radius:6px 6px 0 0}
.chart-bar{background:linear-gradient(180deg,rgba(245,158,11,.8),rgba(217,119,6,.3))}
.chart-bar .bar-glow{background:linear-gradient(180deg,rgba(251,191,36,.6),transparent)}
.bar-label{font-size:.6rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.6px;text-align:center;max-width:72px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar-amount{font-size:.72rem;font-weight:800;color:var(--text)}

/* Footer */
.footer{position:relative;z-index:1;border-top:1px solid var(--border);padding:32px 40px}
.footer-content{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700}
.footer-copy{color:var(--muted);font-size:.82rem}

/* Responsive */
@media(max-width:900px){
.hero{flex-direction:column;text-align:center;padding:120px 24px 60px;gap:40px}
.hero-subtitle{margin:0 auto 32px}
.hero-visual{width:280px;height:280px}
.converter-grid{grid-template-columns:1fr}
.navbar{padding:14px 20px}.nav-links{display:none}
.section{padding:60px 20px}
.pipeline{flex-wrap:wrap;gap:10px}
.pipeline-connector{width:40px}
.pipeline-node{min-width:100px;padding:16px 12px}
.footer-content{flex-direction:column;gap:12px;text-align:center}
}
@media(max-width:500px){
.result-extras{grid-template-columns:1fr}
.floating-card{padding:10px 14px}.fc-value{font-size:1.1rem}
.diagram-container,.chart-container{padding:24px 14px}
.chart-bars{height:220px;gap:6px}
.result-from-value,.result-to-value{font-size:2rem}
.input-swap-row{gap:6px}
.swap-btn{width:44px}
.result-badges-row{flex-direction:column}
}