:root{color-scheme:dark;--bg: #111822;--surface: #1f2a40;--surface-soft: #2b3a57;--surface-lighter: #364b6f;--text: #f8f7eb;--muted: #d9ccb7;--primary: #fbbf24;--primary-strong: #d97706;--accent: #fde68a;--border: rgba(251, 191, 36, .24);--shadow: 0 40px 90px rgba(16, 18, 35, .32);--radius: 1.75rem;font-family:Inter,system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;min-height:100vh;min-width:320px;background:radial-gradient(circle at top left,rgba(251,191,36,.18),transparent 22%),linear-gradient(180deg,#111822,#151e34 40%,#0b1220);color:var(--text);line-height:1.7}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:rgba(255,255,255,.08)}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(circle at top right,rgba(251,191,36,.18),transparent 18%),radial-gradient(circle at bottom left,rgba(245,158,11,.12),transparent 16%)}.container{width:min(1180px,100%);max-width:1180px;margin:0 auto;padding:0 1rem}.site-header{position:sticky;top:0;z-index:50;background:#08111ef5;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-bottom:1px solid rgba(148,163,184,.12)}.header-inner,.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.2rem 0}.brand{display:inline-flex;align-items:center;gap:.9rem;font-weight:800;letter-spacing:-.04em;font-size:1.05rem}.brand img{width:2.5rem;height:2.5rem;border-radius:.95rem;background:#ffffff14;padding:.2rem;box-shadow:0 24px 48px #010a1938}.nav-links,.footer-links{display:flex;flex-wrap:wrap;gap:1.35rem}.nav-links a,.footer-links a{color:var(--muted);font-weight:600;letter-spacing:.02em;transition:color .2s ease,transform .2s ease}.nav-links a:hover,.footer-links a:hover{color:var(--text);transform:translateY(-1px)}.nav-toggle{display:none;align-items:center;justify-content:center;width:2.9rem;height:2.9rem;border-radius:1rem;border:1px solid rgba(255,255,255,.12);background:#ffffff0d;color:var(--text);cursor:pointer;transition:background .2s ease,transform .2s ease}.nav-toggle span,.nav-toggle span:before,.nav-toggle span:after{content:"";display:block;width:1.1rem;height:2px;background:currentColor;border-radius:999px;transition:transform .2s ease,opacity .2s ease}.nav-toggle span:before{transform:translateY(-6px)}.nav-toggle span:after{transform:translateY(4px)}.nav-toggle.open span{transform:scaleX(0);opacity:0}.nav-dropdown{position:relative}.nav-dropdown summary{list-style:none;cursor:pointer;color:var(--muted);font-weight:600;letter-spacing:.02em;transition:color .2s ease,transform .2s ease;display:inline-flex;align-items:center;gap:.2rem}.nav-dropdown summary::-webkit-details-marker{display:none}.nav-dropdown summary:after{content:"▾";font-size:.75rem;transition:transform .2s ease}.nav-dropdown[open] summary:after{transform:rotate(180deg)}.dropdown-menu{position:absolute;top:calc(100% + .35rem);left:0;min-width:240px;max-height:320px;padding:.9rem;display:grid;gap:.4rem;overflow-y:auto;background:#0f172afa;border:1px solid rgba(255,255,255,.08);border-radius:1rem;box-shadow:0 30px 80px #010a193d;z-index:60;scrollbar-width:thin}.dropdown-menu::-webkit-scrollbar{width:8px}.dropdown-menu::-webkit-scrollbar-track{background:#ffffff0a;border-radius:999px}.dropdown-menu::-webkit-scrollbar-thumb{background:#ffffff2e;border-radius:999px}.dropdown-menu a{display:block;color:var(--muted);padding:.65rem .9rem;border-radius:.95rem;transition:background .2s ease,color .2s ease}.dropdown-menu a:hover{background:#ffffff0f;color:var(--text)}@media (max-width: 980px){.header-inner{position:relative}.nav-toggle{display:inline-flex;margin-left:auto}.nav-links{display:none;position:absolute;top:calc(100% + .6rem);left:0;right:0;flex-direction:column;gap:.65rem;padding:1rem;max-height:calc(100vh - 5rem);overflow-y:auto;background:#09101dfa;border-radius:0 0 1.5rem 1.5rem;border:1px solid rgba(255,255,255,.08);box-shadow:0 30px 80px #010a193d;z-index:55}.nav-links.open{display:flex}.nav-dropdown summary{width:100%;padding:.75rem .95rem;border-radius:1rem;background:#ffffff0a}.nav-dropdown[open] .dropdown-menu{display:grid}.nav-links,.nav-dropdown,.nav-dropdown summary,.dropdown-menu{width:100%}.dropdown-menu{position:static;background:#ffffff0a;border-color:#ffffff14;box-shadow:none}.dropdown-menu a{padding:.75rem .9rem}}.hero-section{padding:3rem 0 1.5rem}.hero-premium{background:#1a263af0;border:1px solid rgba(251,191,36,.18);box-shadow:0 32px 70px #10122347;border-radius:2rem;padding:1.8rem}.hero-grid{display:grid;grid-template-columns:1.7fr .8fr;gap:1.4rem;align-items:center}.hero-copy-block{display:grid;gap:1rem;width:100%;max-width:100%}.hero-section h1,.section-header h2{margin:0;color:var(--text);font-size:clamp(2rem,2vw + 1.2rem,3.2rem);line-height:1.08}.eyebrow{display:inline-flex;align-items:center;gap:.5rem;margin-bottom:.85rem;font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.24em;color:var(--accent)}.hero-copy,.section-header p,.bot-note,.feature-card p,.result-box,.contact-grid p,.privacy-content p{color:var(--muted)}.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem}.hero-stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.hero-stat-grid div{padding:1.15rem 1.35rem;border-radius:1.3rem;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#ffffff0d;border:1px solid rgba(255,255,255,.08)}.hero-stat-grid strong{display:block;margin-bottom:.45rem;font-size:1rem;color:var(--text)}.hero-panel{display:grid;gap:1rem}.feature-panel{padding:2.2rem;border-radius:2rem;background:linear-gradient(180deg,#19263bf5,#1c2a46f0);border:1px solid rgba(251,191,36,.22);box-shadow:inset 0 0 0 1px #fbbf240f,var(--shadow)}.feature-panel .panel-label{margin:0 0 .85rem;display:inline-flex;font-size:.85rem;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.18em}.feature-panel h2{margin:0 0 1rem;font-size:clamp(1.7rem,2vw + 1.1rem,2.4rem)}.panel-grid{display:grid;gap:1rem}.section{padding:4rem 0}.section-secondary{background:linear-gradient(180deg,#151e30f0,#101624f5)}.section-header{margin-bottom:2rem}.section-header p{max-width:46rem}.calculator-tabs{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:.65rem;margin-bottom:1.25rem;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scroll-snap-type:x mandatory;padding-bottom:.3rem}.calculator-tabs::-webkit-scrollbar{height:6px}.calculator-tabs::-webkit-scrollbar-thumb{background:#ffffff2e;border-radius:999px}.tab-button{padding:.85rem .9rem;border:1px solid rgba(255,255,255,.08);border-radius:999px;background:#ffffff0a;color:var(--text);font-size:.95rem;font-weight:600;transition:all .2s ease;min-width:120px;white-space:nowrap;scroll-snap-align:start}.tab-button.active,.tab-button:hover{border-color:#5b8cff66;background:#5b8cff26}.calculator-panels{display:grid;gap:1.4rem}.calculator-panel{display:none;background:#ffffff0a;border-radius:var(--radius);border:1px solid rgba(255,255,255,.08);padding:2rem;box-shadow:var(--shadow)}.calculator-panel.active{display:block}.calculator-panel h3{margin-top:0;color:var(--text)}.calculator-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin:1.35rem 0 1.6rem}.calculator-grid label{display:grid;gap:.5rem;color:var(--text);font-weight:600;min-width:0;word-break:break-word}input,select,textarea{width:100%;border-radius:1.1rem;border:1px solid rgba(255,255,255,.1);background:#ffffff0d;padding:1rem 1.1rem;color:var(--text);transition:border-color .2s ease,background .2s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:#5b8cffbf;background:#ffffff14}.contact-form{display:grid;gap:1rem;margin-top:1rem}.contact-form label{display:grid;gap:.5rem;font-weight:600;color:var(--text)}.contact-form textarea{resize:vertical;min-height:8.5rem}button.button{border:none;border-radius:999px;padding:1rem 1.7rem;font-weight:700;transition:transform .2s ease,box-shadow .2s ease}.button:hover{transform:translateY(-1px)}button,input,select,textarea{min-width:0}.button-primary{background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#111827;box-shadow:0 20px 40px #fbbf244d}.button-secondary{background:#ffffff14;color:var(--text);border:1px solid rgba(251,191,36,.15)}.result-box{margin-top:1.25rem;padding:1.5rem;border-radius:1.35rem;background:#ffffff0d;border:1px solid rgba(255,255,255,.08)}.chat-panel{background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow)}.chat-log{display:grid;gap:1rem;max-height:420px;overflow-y:auto;padding-right:.5rem}.chat-message{padding:1.15rem 1.2rem;border-radius:1.2rem;max-width:min(100%,88%)}.bot-message{background:#ffffff14;color:var(--text)}.user-message{background:linear-gradient(135deg,#5b8cff33,#ffffff1a);color:var(--text);justify-self:end}.chat-actions{display:flex;gap:.85rem;margin-top:1.15rem;flex-wrap:wrap}.chat-actions input{flex:1;min-width:0}.about-grid{display:grid;grid-template-columns:1.2fr .9fr;gap:2rem}.info-cards,.feature-grid,.contact-grid,.privacy-content{display:grid;gap:1rem}.feature-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin-top:1.5rem}.feature-card,.contact-grid .feature-card,.privacy-content .feature-card{padding:1.75rem;border-radius:1.5rem;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);box-shadow:0 26px 60px #010a192e}.feature-card h3,.contact-grid .feature-card h3,.privacy-content .feature-card h3{margin-top:0;color:var(--text)}.section-cta{padding:3.25rem 0 2.5rem;background:linear-gradient(135deg,#f59e0b2e,#fbbf2414)}.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:2rem 2.25rem;border-radius:2rem;background:#ffffff0a;border:1px solid rgba(255,255,255,.1);box-shadow:0 35px 80px #010a1929}.cta-panel h2{margin:0 0 .8rem;font-size:clamp(2rem,2vw + 1rem,2.7rem);color:var(--text)}.cta-panel p{margin:0;color:var(--muted);max-width:38rem}.button-large{padding:1.1rem 2.1rem}.site-footer{padding:1.8rem 0;background:#09101df5;border-top:1px solid rgba(255,255,255,.06)}.footer-inner{flex-wrap:wrap}.footer-inner p{margin:0;color:var(--muted)}.contact-grid,.privacy-content{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}@media (max-width: 980px){.hero-grid,.about-grid,.header-inner,.footer-inner{grid-template-columns:1fr;text-align:left}.header-inner,.footer-inner{flex-direction:column;align-items:flex-start}.calculator-grid,.chat-actions,.hero-stat-grid,.panel-grid,.contact-grid,.privacy-content{grid-template-columns:1fr}}@media (max-width: 700px){.hero-section{padding-top:3rem}.calculator-tabs{display:flex;flex-wrap:nowrap;gap:.5rem;padding-bottom:.4rem;scroll-snap-type:x mandatory}.tab-button{flex:0 0 auto;min-width:110px;padding:.75rem .9rem;font-size:.95rem}.hero-actions{flex-direction:column}.hero-section h1,.section-header h2{font-size:2.2rem}.feature-card,.calculator-panel,.chat-panel,.info-cards article,.feature-panel{border-radius:1.25rem}.calculator-panel{padding:1.25rem}.calculator-grid{gap:.75rem}.calculator-grid label{font-size:.95rem}input,select{font-size:1rem;min-height:3.2rem;padding:.95rem}button.button{width:100%;padding:.95rem 1rem}.chat-actions{flex-direction:column}.chat-actions input{width:100%}}