*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg-0:#fcfcfd;
  --bg-1:#ffffff;
  --bg-2:#f1f5f9;
  --bg-3:#e2e8f0;
  --card:rgba(255,255,255,0.75);
  --card-hover:rgba(255,255,255,0.9);
  --card-solid:#ffffff;
  --primary:#7c5cff;
  --primary-hover:#6d4de6;
  --primary-2:#7c5cff;
  --primary-3:#6d28d9;
  --pink:#ec4899;
  --cyan:#06b6d4;
  --green:#16a34a;
  --amber:#d97706;
  --red:#dc2626;
  --text:#0f172a;
  --text-2:#334155;
  --muted:#64748b;
  --faint:#94a3b8;
  --border:rgba(0,0,0,0.06);
  --border-2:rgba(0,0,0,0.09);
  --border-hover:rgba(0,0,0,0.13);
  --radius:16px;
  --radius-lg:22px;
  --radius-full:999px;
  --font-body:'Inter',system-ui,sans-serif;
  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',monospace;
  --shadow-sm:0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.05);
  --shadow:0 4px 16px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.04);
  --shadow-lg:0 20px 50px rgba(0,0,0,0.08), 0 8px 20px rgba(0,0,0,0.06);
}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  font-feature-settings:"ss01","ss02";
}
/* Light subtle background */
.mesh-bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.mesh-orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:0.12}
.mesh-orb:nth-child(1){width:600px;height:600px;background:radial-gradient(circle,#7c5cff 0%,transparent 70%);top:-200px;left:-150px}
.mesh-orb:nth-child(2){width:700px;height:700px;background:radial-gradient(circle,#a78bfa 0%,transparent 70%);bottom:-250px;right:-200px;opacity:0.08}
.mesh-orb:nth-child(3){display:none}
.grid-bg{position:fixed;inset:0;background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse at center,black 40%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse at center,black 40%,transparent 80%);pointer-events:none;z-index:0;opacity:0.2}
.cursor-spotlight{display:none}

/* HEADER - light clean */
header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,0.8);
  backdrop-filter:blur(20px) saturate(160%);
  -webkit-backdrop-filter:blur(20px) saturate(160%);
  border-bottom:1px solid var(--border);
  height:64px;padding:0 1.5rem;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
}
.logo{display:flex;align-items:center;gap:0.7rem;cursor:pointer;user-select:none}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--primary);
  display:grid;place-items:center;font-size:1.1rem;color:#fff;
  font-weight:700;
  box-shadow:0 1px 3px rgba(0,0,0,0.1), 0 0 0 1px rgba(0,0,0,0.05) inset;
  transform-style:preserve-3d;transition:transform 0.4s;
}
.logo:hover .logo-mark{transform:rotateY(12deg) rotateX(8deg) translateZ(8px)}
.logo-text{font-family:var(--font-display);font-weight:700;font-size:1.25rem;letter-spacing:-0.02em;color:var(--text)}
.logo-text span{color:var(--muted);font-weight:500;font-size:0.9rem;margin-left:0.15rem}
.nav-wrap{display:flex;align-items:center;gap:1rem}
nav{display:flex;align-items:center;gap:0.2rem}
nav a{
  color:var(--muted);font-weight:500;font-size:0.88rem;
  padding:0.5rem 0.9rem;border-radius:8px;
  transition:all 0.2s;cursor:pointer;text-decoration:none;
}
nav a:hover{color:var(--text);background:rgba(0,0,0,0.04)}
nav a.active{color:var(--text);background:rgba(0,0,0,0.06);font-weight:600}
.header-actions{display:flex;align-items:center;gap:0.6rem}
.kbd-hint{
  display:flex;align-items:center;gap:0.4rem;
  background:rgba(0,0,0,0.03);border:1px solid var(--border);
  padding:0.45rem 0.7rem;border-radius:8px;
  font-size:0.78rem;color:var(--muted);cursor:pointer;transition:all 0.2s;
}
.kbd-hint:hover{border-color:var(--border-2);color:var(--text);background:rgba(0,0,0,0.05)}
.kbd-hint kbd{background:#fff;border:1px solid var(--border);border-bottom-width:2px;padding:0.1rem 0.35rem;border-radius:4px;font-family:var(--font-mono);font-size:0.65rem;box-shadow:0 1px 2px rgba(0,0,0,0.05)}
.btn-cta{
  background:var(--text);color:#fff;
  padding:0.55rem 1.1rem;border-radius:8px;
  font-weight:600;font-size:0.85rem;border:none;cursor:pointer;
  transition:all 0.2s;display:inline-flex;align-items:center;gap:0.4rem;
  font-family:var(--font-body);box-shadow:var(--shadow-sm);
}
.btn-cta:hover{background:#1e293b;transform:translateY(-1px);box-shadow:var(--shadow)}
.hamburger{display:none;width:36px;height:36px;border-radius:8px;background:rgba(0,0,0,0.04);border:1px solid var(--border);place-items:center;cursor:pointer;color:var(--text);font-size:1.1rem}

/* HERO - light */
.hero{
  position:relative;z-index:1;
  padding:4.5rem 1.5rem 3.5rem;max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:1.1fr 0.9fr;gap:3rem;align-items:center;
  perspective:1200px;
}
.float-3d-container{position:absolute;inset:0;pointer-events:none;z-index:0;perspective:1000px;overflow:hidden}
.float-cube{
  position:absolute;width:48px;height:48px;
  background:linear-gradient(135deg,rgba(124,92,255,0.1),rgba(124,92,255,0.03));
  border:1px solid rgba(124,92,255,0.12);
  border-radius:12px;backdrop-filter:blur(10px);
  transform-style:preserve-3d;
  box-shadow:0 8px 24px -8px rgba(124,92,255,0.15), inset 0 1px 0 rgba(255,255,255,0.6);
}
.float-cube:nth-child(1){top:15%;left:8%;animation:float3d1 12s ease-in-out infinite;transform:rotateX(25deg) rotateY(-25deg)}
.float-cube:nth-child(2){top:60%;right:12%;width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,rgba(236,72,153,0.08),rgba(236,72,153,0.02));border-color:rgba(236,72,153,0.12);animation:float3d2 15s ease-in-out infinite;transform:rotateX(-20deg) rotateY(30deg)}
.float-cube:nth-child(3){bottom:20%;left:15%;width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,rgba(6,182,212,0.08),rgba(6,182,212,0.02));border-color:rgba(6,182,212,0.12);animation:float3d3 10s ease-in-out infinite;transform:rotateX(35deg) rotateY(15deg)}
.float-cube::before{content:'';position:absolute;inset:0;border-radius:inherit;background:linear-gradient(135deg,rgba(255,255,255,0.5),transparent 50%)}
@keyframes float3d1{0%,100%{transform:rotateX(25deg) rotateY(-25deg) translateY(0)}33%{transform:rotateX(30deg) rotateY(-15deg) translateY(-12px)}66%{transform:rotateX(20deg) rotateY(-35deg) translateY(8px)}}
@keyframes float3d2{0%,100%{transform:rotateX(-20deg) rotateY(30deg) translateY(0)}50%{transform:rotateX(-10deg) rotateY(40deg) translateY(-16px)}}
@keyframes float3d3{0%,100%{transform:rotateX(35deg) rotateY(15deg) translateY(0)}50%{transform:rotateX(45deg) rotateY(25deg) translateY(-10px)}}

.hero-badge{
  display:inline-flex;align-items:center;gap:0.5rem;
  padding:0.35rem 0.8rem;border-radius:var(--radius-full);
  background:#fff;border:1px solid var(--border-2);
  font-size:0.8rem;color:var(--muted);margin-bottom:1.2rem;
  font-weight:500;box-shadow:var(--shadow-sm);
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--green);flex-shrink:0}
.hero-badge .new{background:var(--text);color:#fff;padding:0.15rem 0.45rem;border-radius:var(--radius-full);font-size:0.65rem;font-weight:700;letter-spacing:0.04em}
.hero h1{
  font-family:var(--font-display);
  font-size:clamp(2.2rem,4.5vw,3.6rem);
  font-weight:700;line-height:1.05;letter-spacing:-0.04em;margin-bottom:1rem;
  color:var(--text);
}
.hero h1 .grad{color:var(--primary);position:relative}
.hero p{color:var(--muted);font-size:1.05rem;line-height:1.6;max-width:520px;margin-bottom:1.8rem}
.hero-btns{display:flex;gap:0.7rem;flex-wrap:wrap;margin-bottom:2rem}
.btn{
  display:inline-flex;align-items:center;gap:0.5rem;
  padding:0.75rem 1.4rem;border-radius:10px;
  font-weight:600;font-size:0.9rem;cursor:pointer;border:none;
  transition:all 0.2s;text-decoration:none;font-family:var(--font-body);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px -4px rgba(124,92,255,0.4)}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 8px 20px -6px rgba(124,92,255,0.5)}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--border-2);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{background:var(--bg-2);border-color:var(--border-hover);transform:translateY(-1px)}
.hero-trust{display:flex;align-items:center;gap:0.8rem;flex-wrap:wrap;font-size:0.85rem;color:var(--muted)}
.avatars{display:flex}
.avatars .av{width:28px;height:28px;border-radius:50%;border:2px solid var(--bg-0);margin-left:-6px;background:var(--bg-2);display:grid;place-items:center;font-size:0.7rem;font-weight:600;color:var(--text-2)}
.avatars .av:first-child{margin-left:0}
.hero-visual{position:relative;height:440px;display:grid;place-items:center;perspective:1000px;transform-style:preserve-3d}
.visual-card{
  position:absolute;background:rgba(255,255,255,0.85);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--border-2);border-radius:16px;
  box-shadow:var(--shadow-lg);padding:1.25rem;
  transition:all 0.3s;transform-style:preserve-3d;will-change:transform;
}
.visual-card:hover{transform:translateY(-4px) translateZ(10px);border-color:var(--border-hover);box-shadow:0 20px 50px rgba(0,0,0,0.1)}
.vc-1{width:300px;top:20px;right:20px;z-index:3}
.vc-2{width:280px;top:160px;left:10px;z-index:2}
.vc-3{width:260px;bottom:20px;right:40px;z-index:1}
.vc-head{display:flex;align-items:center;gap:0.6rem;margin-bottom:0.8rem}
.vc-icon{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;font-size:1rem;background:rgba(124,92,255,0.08);border:1px solid rgba(124,92,255,0.12)}
.vc-title{font-weight:600;font-size:0.9rem;font-family:var(--font-display);color:var(--text)}
.vc-sub{font-size:0.75rem;color:var(--muted)}
.vc-bar{height:6px;background:var(--bg-2);border-radius:var(--radius-full);margin:0.5rem 0;overflow:hidden}
.vc-bar-fill{height:100%;border-radius:var(--radius-full);background:var(--primary)}
.vc-stats{display:flex;gap:0.5rem;margin-top:0.7rem}
.vc-stat{flex:1;background:var(--bg-2);border:1px solid var(--border);border-radius:8px;padding:0.5rem;text-align:center}
.vc-stat b{display:block;font-family:var(--font-display);font-size:1rem;color:var(--text)}
.vc-stat span{font-size:0.65rem;color:var(--muted);text-transform:uppercase;letter-spacing:0.05em}

/* STATS BAR - light */
.stats-bar{
  position:relative;z-index:1;
  max-width:1000px;margin:0 auto 2.5rem;
  background:#fff;border:1px solid var(--border);border-radius:16px;
  padding:1.2rem 1.5rem;
  display:flex;justify-content:space-around;gap:1rem;flex-wrap:wrap;
  box-shadow:var(--shadow-sm);
}
.stat-big{text-align:center;min-width:110px}
.stat-big .num{font-family:var(--font-display);font-size:1.6rem;font-weight:700;color:var(--text);line-height:1.1}
.stat-big .lbl{font-size:0.7rem;color:var(--muted);text-transform:uppercase;letter-spacing:0.08em;margin-top:0.25rem;font-weight:600}
.stat-big .sub{font-size:0.75rem;color:var(--faint);margin-top:0.15rem}

/* CONTAINER */
.container{max-width:1200px;margin:0 auto;padding:0 1.5rem;position:relative;z-index:1}
.section-head{text-align:center;margin:4rem 0 2.5rem}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:0.4rem;
  background:#fff;border:1px solid var(--border);
  padding:0.3rem 0.7rem;border-radius:var(--radius-full);
  color:var(--muted);font-size:0.72rem;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;
  margin-bottom:0.8rem;box-shadow:var(--shadow-sm);
}
.section-head h2{font-family:var(--font-display);font-size:clamp(1.7rem,3.5vw,2.5rem);font-weight:700;letter-spacing:-0.03em;line-height:1.1;color:var(--text)}
.section-head h2 .grad{color:var(--primary)}
.section-head p{color:var(--muted);margin-top:0.6rem;font-size:1rem;max-width:560px;margin-left:auto;margin-right:auto;line-height:1.5}

/* BENTO - light 3D */
.bento{display:grid;gap:1rem;grid-template-columns:repeat(12,1fr);margin-bottom:3.5rem;perspective:1500px}
.bento-item{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  padding:1.5rem;position:relative;overflow:hidden;cursor:pointer;
  transition:all 0.25s;transform-style:preserve-3d;transform:translateZ(0);will-change:transform;
  box-shadow:var(--shadow-sm);
}
.bento-item:hover{transform:translateY(-4px) translateZ(10px);border-color:var(--border-2);box-shadow:var(--shadow-lg);background:#fff}
.bento-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1rem}
.bento-icon{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;font-size:1.25rem;background:rgba(124,92,255,0.08);border:1px solid rgba(124,92,255,0.1);transition:transform 0.3s;transform:translateZ(0)}
.bento-item:hover .bento-icon{transform:translateZ(20px) scale(1.05)}
.bento-item h3{font-family:var(--font-display);font-size:1.1rem;font-weight:600;margin-bottom:0.35rem;letter-spacing:-0.01em;color:var(--text);transform:translateZ(0);transition:transform 0.3s}
.bento-item:hover h3{transform:translateZ(12px)}
.bento-item p{color:var(--muted);font-size:0.88rem;line-height:1.5;transform:translateZ(0);transition:transform 0.3s}
.bento-item:hover p{transform:translateZ(8px)}
.bento-arrow{width:32px;height:32px;border-radius:50%;background:var(--bg-2);border:1px solid var(--border);display:grid;place-items:center;transition:all 0.2s;opacity:0;transform:translateX(-8px);font-size:0.85rem;color:var(--muted)}
.bento-item:hover .bento-arrow{opacity:1;transform:translateX(0) translateZ(15px);background:var(--text);color:#fff;border-color:var(--text)}
.bento-tags{display:flex;gap:0.35rem;margin-top:1rem;flex-wrap:wrap;transform:translateZ(0);transition:transform 0.3s}
.bento-item:hover .bento-tags{transform:translateZ(15px)}
.bento-tag{font-size:0.65rem;padding:0.22rem 0.5rem;border-radius:var(--radius-full);background:var(--bg-2);border:1px solid var(--border);color:var(--muted);font-weight:500}
.bento-item.large{grid-column:span 7;grid-row:span 2;min-height:300px}
.bento-item.medium{grid-column:span 5}
.bento-item.small{grid-column:span 4}

/* TOOL BOX - light clean 3D */
.tool-section{margin-bottom:2rem;scroll-margin-top:72px}
.tool-box{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  overflow:hidden;transition:all 0.3s;transform-style:preserve-3d;transform:translateZ(0);
  box-shadow:var(--shadow-sm);
}
.tool-box:hover{border-color:var(--border-2);box-shadow:var(--shadow);transform:translateZ(6px)}
.tool-box-head{display:flex;align-items:center;gap:0.8rem;padding:1.25rem 1.5rem;border-bottom:1px solid var(--border);background:rgba(0,0,0,0.01)}
.tool-box-head .icon{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-size:1.2rem;background:rgba(124,92,255,0.08);border:1px solid rgba(124,92,255,0.1);flex-shrink:0}
.tool-box-head h3{font-family:var(--font-display);font-size:1.15rem;font-weight:600;letter-spacing:-0.01em;color:var(--text)}
.tool-box-head p{color:var(--muted);font-size:0.85rem;margin-top:0.1rem}
.tool-box-body{padding:1.5rem}
.tool-box textarea{
  width:100%;min-height:200px;background:var(--bg-0);
  border:1px solid var(--border);border-radius:12px;padding:1rem;
  color:var(--text);font-family:var(--font-body);font-size:0.95rem;
  resize:vertical;outline:none;transition:all 0.2s;line-height:1.6;
}
.tool-box textarea::placeholder{color:var(--faint)}
.tool-box textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(124,92,255,0.1);background:#fff}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:0.75rem;margin:1.2rem 0}
.stat-item{background:var(--bg-0);border:1px solid var(--border);border-radius:12px;padding:0.9rem 1rem;transition:all 0.2s}
.stat-item:hover{border-color:var(--border-2);background:#fff;box-shadow:var(--shadow-sm)}
.stat-item .lbl{font-size:0.68rem;color:var(--muted);text-transform:uppercase;letter-spacing:0.08em;font-weight:600}
.stat-item strong{display:block;margin-top:0.25rem;font-family:var(--font-display);font-size:1.4rem;color:var(--text)}
.stat-item .sub{font-size:0.72rem;color:var(--faint);margin-top:0.15rem}
.btn-group{display:flex;flex-wrap:wrap;gap:0.5rem;margin-top:1rem}
.btn-group button{
  background:#fff;color:var(--text-2);
  border:1px solid var(--border);padding:0.55rem 0.9rem;border-radius:8px;
  cursor:pointer;font-weight:500;font-size:0.82rem;transition:all 0.2s;font-family:var(--font-body);
  display:inline-flex;align-items:center;gap:0.35rem;box-shadow:var(--shadow-sm);
  transform-style:preserve-3d;
}
.btn-group button:hover{background:var(--bg-2);border-color:var(--border-2);color:var(--text);transform:translateY(-1px) translateZ(3px);box-shadow:var(--shadow)}
.tool-inputs{display:flex;gap:0.75rem;flex-wrap:wrap;margin-bottom:1rem}
.tool-inputs input,.tool-inputs select{flex:1;min-width:150px;background:var(--bg-0);border:1px solid var(--border);border-radius:10px;padding:0.8rem 1rem;color:var(--text);font-family:var(--font-body);font-size:0.9rem;outline:none;transition:all 0.2s}
.tool-inputs input:focus,.tool-inputs select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(124,92,255,0.08);background:#fff}
.checkbox-group{display:flex;flex-wrap:wrap;gap:0.6rem;margin-bottom:1rem}
.checkbox-group label{display:flex;align-items:center;gap:0.5rem;cursor:pointer;background:#fff;border:1px solid var(--border);padding:0.4rem 0.75rem;border-radius:8px;font-size:0.82rem;color:var(--muted);transition:all 0.2s;box-shadow:var(--shadow-sm)}
.checkbox-group label:hover{color:var(--text);border-color:var(--border-2);background:var(--bg-2)}
.checkbox-group input{accent-color:var(--primary);width:14px;height:14px}
.result-box{margin-top:1.2rem;padding:1rem 1.2rem;background:rgba(124,92,255,0.06);border:1px solid rgba(124,92,255,0.12);border-radius:12px;color:var(--text);font-size:0.92rem;min-height:60px;display:flex;align-items:center;flex-wrap:wrap;gap:0.5rem}
.result-box:empty{display:none}
.result-box strong{color:var(--primary);font-size:1.25rem;font-family:var(--font-display)}
.password-box{font-family:var(--font-mono);font-size:1rem;letter-spacing:0.5px;word-break:break-all;color:var(--text)}
.bmi-scale{margin-top:1rem;display:flex;height:8px;border-radius:var(--radius-full);overflow:hidden;background:var(--bg-2);border:1px solid var(--border)}
.strength-bar{display:flex;gap:4px;margin-top:0.5rem}
.strength-seg{height:6px;flex:1;background:var(--bg-2);border-radius:var(--radius-full);transition:all 0.3s}

/* FEATURES - light */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0.9rem;margin-bottom:3.5rem}
.feature-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:1.4rem;transition:all 0.25s;transform-style:preserve-3d;transform:translateZ(0);box-shadow:var(--shadow-sm)}
.feature-card:hover{border-color:var(--border-2);transform:translateY(-3px) translateZ(8px);box-shadow:var(--shadow-lg)}
.feature-card .f-icon{width:36px;height:36px;border-radius:8px;display:grid;place-items:center;font-size:1.1rem;background:rgba(124,92,255,0.08);border:1px solid rgba(124,92,255,0.1);margin-bottom:0.8rem}
.feature-card h4{font-family:var(--font-display);font-size:0.95rem;margin-bottom:0.3rem;font-weight:600;color:var(--text)}
.feature-card p{color:var(--muted);font-size:0.85rem;line-height:1.5}

/* BLOG - light */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1rem;margin-bottom:2.5rem}
.blog-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:1.5rem;transition:all 0.25s;cursor:pointer;transform-style:preserve-3d;transform:translateZ(0);box-shadow:var(--shadow-sm)}
.blog-card:hover{transform:translateY(-4px) translateZ(8px);border-color:var(--border-2);box-shadow:var(--shadow-lg)}
.blog-card .tag{display:inline-flex;font-size:0.65rem;color:var(--muted);text-transform:uppercase;letter-spacing:0.08em;font-weight:600;margin-bottom:0.7rem;padding:0.25rem 0.55rem;border-radius:var(--radius-full);background:var(--bg-2);border:1px solid var(--border)}
.blog-card h3{font-family:var(--font-display);font-size:1.05rem;margin-bottom:0.5rem;line-height:1.3;font-weight:600;color:var(--text)}
.blog-card p{color:var(--muted);font-size:0.88rem;line-height:1.5}
.blog-card .meta{display:flex;gap:0.8rem;margin-top:1rem;font-size:0.75rem;color:var(--faint)}

/* CONTENT - light */
.content-section{margin-bottom:2.5rem;padding-top:1.5rem;max-width:800px;margin-left:auto;margin-right:auto;position:relative;z-index:1}
.content-section .breadcrumb{font-size:0.8rem;color:var(--muted);margin-bottom:1.2rem;display:flex;gap:0.4rem;flex-wrap:wrap}
.content-section .breadcrumb a{color:var(--muted);text-decoration:none}
.content-section .breadcrumb a:hover{color:var(--text);text-decoration:underline}
.content-section h1{font-family:var(--font-display);font-size:clamp(1.8rem,4vw,2.4rem);line-height:1.15;letter-spacing:-0.02em;margin-bottom:0.8rem;font-weight:700;color:var(--text)}
.content-section .meta-line{color:var(--muted);font-size:0.82rem;margin-bottom:1.5rem;display:flex;gap:0.8rem;flex-wrap:wrap;align-items:center;border-bottom:1px solid var(--border);padding-bottom:1.2rem}
.content-section h2{font-family:var(--font-display);font-size:1.5rem;margin:2.2rem 0 0.8rem;letter-spacing:-0.01em;line-height:1.2;font-weight:600;color:var(--text)}
.content-section h3{font-family:var(--font-display);font-size:1.15rem;margin:1.8rem 0 0.6rem;color:var(--text);font-weight:600}
.content-section p{color:var(--text-2);margin-bottom:1rem;font-size:0.98rem;line-height:1.7}
.content-section ul,.content-section ol{padding-left:1.4rem;margin-bottom:1.2rem}
.content-section li{color:var(--text-2);margin-bottom:0.5rem;font-size:0.95rem;line-height:1.6}
.content-section a{color:var(--primary);text-decoration:none;border-bottom:1px solid rgba(124,92,255,0.2)}
.content-section a:hover{color:var(--primary-hover);border-color:var(--primary)}
.content-section .toc{background:#fff;border:1px solid var(--border);border-radius:12px;padding:1.2rem 1.4rem;margin:1.5rem 0;box-shadow:var(--shadow-sm)}
.content-section .toc h4{font-family:var(--font-display);font-size:0.9rem;margin-bottom:0.6rem;color:var(--text)}
.content-section .callout{background:rgba(124,92,255,0.06);border:1px solid rgba(124,92,255,0.12);border-left:3px solid var(--primary);border-radius:10px;padding:1rem 1.2rem;margin:1.5rem 0;font-size:0.9rem}
.content-section .author-box{display:flex;gap:0.9rem;background:#fff;border:1px solid var(--border);border-radius:12px;padding:1.2rem;margin:2rem 0;box-shadow:var(--shadow-sm)}

/* CONTACT - light */
.contact-form{background:#fff;border:1px solid var(--border);border-radius:16px;padding:2rem;max-width:600px;margin:0 auto;box-shadow:var(--shadow-sm)}
.contact-form input,.contact-form textarea{width:100%;background:var(--bg-0);border:1px solid var(--border);border-radius:10px;padding:0.85rem 1rem;color:var(--text);font-family:var(--font-body);font-size:0.9rem;margin-bottom:0.9rem;outline:none;transition:all 0.2s}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(124,92,255,0.08);background:#fff}
.contact-form button{background:var(--text);color:#fff;border:none;padding:0.85rem 1.5rem;border-radius:10px;cursor:pointer;font-weight:600;font-size:0.9rem;width:100%;transition:all 0.2s}
.contact-form button:hover{background:#1e293b;transform:translateY(-1px)}

/* COOKIE - light */
.cookie-banner{position:fixed;bottom:0;left:0;right:0;z-index:9998;background:rgba(255,255,255,0.92);backdrop-filter:blur(20px);border-top:1px solid var(--border);padding:1rem 1.2rem;display:none;box-shadow:0 -10px 40px rgba(0,0,0,0.08)}
.cookie-banner.show{display:flex}
.cookie-banner-content{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;width:100%}
.cookie-banner p{color:var(--text-2);font-size:0.85rem;line-height:1.5;flex:1;min-width:260px}
.cookie-banner p a{color:var(--primary);text-decoration:underline}
.cookie-actions{display:flex;gap:0.6rem}
.cookie-btn{padding:0.55rem 1.1rem;border-radius:8px;font-weight:600;font-size:0.82rem;cursor:pointer;border:none;transition:all 0.2s;font-family:var(--font-body)}
.cookie-btn.accept{background:var(--text);color:#fff}
.cookie-btn.decline{background:#fff;color:var(--text-2);border:1px solid var(--border)}
.cookie-btn:hover{transform:translateY(-1px)}

/* FOOTER - light */
footer{border-top:1px solid var(--border);padding:3rem 1.5rem 1.5rem;position:relative;z-index:1;margin-top:4rem;background:#fff}
.footer-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2rem;text-align:left}
.footer-brand .footer-logo{font-family:var(--font-display);font-size:1.25rem;font-weight:700;color:var(--text);display:flex;align-items:center;gap:0.6rem;margin-bottom:0.8rem}
.footer-brand p{color:var(--muted);font-size:0.88rem;line-height:1.6;max-width:320px}
.footer-col h4{font-family:var(--font-display);font-size:0.8rem;text-transform:uppercase;letter-spacing:0.08em;color:var(--text);margin-bottom:1rem;font-weight:600}
.footer-col a{display:block;color:var(--muted);padding:0.35rem 0;font-size:0.85rem;transition:all 0.2s;cursor:pointer;text-decoration:none}
.footer-col a:hover{color:var(--text);transform:translateX(3px)}
.footer-bottom{max-width:1200px;margin:2rem auto 0;padding-top:1.5rem;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;color:var(--faint);font-size:0.8rem}
.footer-bottom .social{display:flex;gap:0.5rem}
.footer-bottom .social a{width:32px;height:32px;border-radius:8px;background:var(--bg-2);border:1px solid var(--border);display:grid;place-items:center;transition:all 0.2s;text-decoration:none;color:var(--muted);font-size:0.85rem}
.footer-bottom .social a:hover{background:var(--text);color:#fff;transform:translateY(-1px)}

/* UTIL */
.page{display:none;animation:fadeIn 0.4s ease}
.page.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.toast-container{position:fixed;bottom:1.2rem;right:1.2rem;z-index:9999;display:flex;flex-direction:column;gap:0.6rem;pointer-events:none}
.toast{background:#fff;border:1px solid var(--border-2);color:var(--text);padding:0.8rem 1rem;border-radius:10px;font-size:0.85rem;font-weight:500;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:0.6rem;min-width:260px;max-width:360px;animation:toastIn 0.3s ease;pointer-events:auto}
.toast.success{border-color:rgba(34,197,94,0.25);background:#f0fdf4}
.toast.error{border-color:rgba(239,68,68,0.25);background:#fef2f2}
@keyframes toastIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@keyframes toastOut{from{opacity:1}to{opacity:0;transform:translateY(8px)}}
.cmd-palette{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,0.3);backdrop-filter:blur(12px);display:none;place-items:center;padding:1.2rem}
.cmd-palette.active{display:grid;animation:fadeIn 0.2s ease}
.cmd-box{width:100%;max-width:520px;background:#fff;border:1px solid var(--border-2);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg);animation:cmdIn 0.3s ease}
@keyframes cmdIn{from{opacity:0;transform:translateY(12px) scale(0.98)}to{opacity:1;transform:translateY(0) scale(1)}}
.cmd-input{display:flex;align-items:center;gap:0.7rem;padding:1rem 1.2rem;border-bottom:1px solid var(--border)}
.cmd-input input{flex:1;background:transparent;border:none;outline:none;color:var(--text);font-size:0.95rem;font-family:var(--font-body)}
.cmd-list{padding:0.5rem;max-height:360px;overflow:auto}
.cmd-item{display:flex;align-items:center;gap:0.8rem;padding:0.7rem 0.9rem;border-radius:10px;cursor:pointer;transition:all 0.15s;border:1px solid transparent}
.cmd-item:hover,.cmd-item.active{background:var(--bg-2);border-color:var(--border)}
.cmd-item .ci{width:32px;height:32px;border-radius:8px;background:var(--bg-2);display:grid;place-items:center;font-size:1rem;border:1px solid var(--border)}
.back-to-top{position:fixed;bottom:1.2rem;left:1.2rem;z-index:90;width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid var(--border);display:grid;place-items:center;cursor:pointer;opacity:0;pointer-events:none;transition:all 0.25s;box-shadow:var(--shadow)}
.back-to-top.visible{opacity:1;pointer-events:auto}
.back-to-top:hover{background:var(--text);color:#fff;transform:translateY(-2px)}
.reveal{opacity:0;transform:translateY(16px);transition:all 0.5s ease}
.reveal.in{opacity:1;transform:translateY(0)}
@media(max-width:1024px){
  .hero{grid-template-columns:1fr;gap:2rem;padding:3.5rem 1.5rem 2.5rem}
  .hero-left{text-align:center}.hero-left p{margin-left:auto;margin-right:auto}.hero-btns,.hero-trust{justify-content:center}
  .hero-visual{height:380px;max-width:560px;margin:0 auto;width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:1.5rem}
  .bento{grid-template-columns:repeat(6,1fr)}
  .bento-item.large{grid-column:span 6}.bento-item.medium{grid-column:span 6}.bento-item.small{grid-column:span 3}
}
@media(max-width:640px){
  header{padding:0 1rem;height:60px}
  nav{display:none}nav.mobile-open{display:flex;position:absolute;top:60px;left:0;right:0;background:rgba(255,255,255,0.96);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:1rem;flex-direction:column;align-items:stretch;gap:0.5rem;box-shadow:var(--shadow-lg)}
  nav.mobile-open a{padding:0.8rem 1rem;background:var(--bg-0);border:1px solid var(--border);border-radius:10px}
  .hamburger{display:grid}.kbd-hint{display:none}
  .hero{padding:2.5rem 1rem 2rem}.hero-visual{display:none}
  .bento{grid-template-columns:1fr;gap:0.8rem}.bento-item.large,.bento-item.medium,.bento-item.small{grid-column:span 1}
  .tool-box-head{padding:1rem}.tool-box-body{padding:1rem}
  .container{padding:0 1rem}.footer-grid{grid-template-columns:1fr;gap:1.5rem}
  .cookie-banner-content{flex-direction:column;align-items:flex-start}
  .toast-container{left:1rem;right:1rem;bottom:1rem}.toast{min-width:auto;width:100%}
  .float-3d-container{display:none}
}
::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-0)}::-webkit-scrollbar-thumb{background:rgba(0,0,0,0.15);border-radius:10px;border:2px solid var(--bg-0)}
::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,0.25)}
::selection{background:rgba(124,92,255,0.2);color:var(--text)}

/* ===== DARK THEME - Toggle Support ===== */
[data-theme="dark"]{
  --bg-0:#07080f;
  --bg-1:#0e0f1e;
  --bg-2:#15162a;
  --bg-3:#1d1e36;
  --card:rgba(18,19,34,0.6);
  --card-hover:rgba(22,23,40,0.8);
  --card-solid:#121326;
  --primary:#7c5cff;
  --primary-hover:#6d4de6;
  --primary-2:#a78bfa;
  --primary-3:#c4b5fd;
  --text:#f1f5f9;
  --text-2:#cbd5e1;
  --muted:#8b93a8;
  --faint:#5a647e;
  --border:rgba(255,255,255,0.06);
  --border-2:rgba(255,255,255,0.09);
  --border-hover:rgba(255,255,255,0.13);
  --shadow-sm:0 2px 10px rgba(0,0,0,0.3);
  --shadow:0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg:0 20px 60px rgba(0,0,0,0.5);
}
[data-theme="dark"] body{background:var(--bg-0);color:var(--text)}
[data-theme="dark"] header{background:rgba(7,8,15,0.8);border-bottom-color:var(--border)}
[data-theme="dark"] .logo-text{color:var(--text)}
[data-theme="dark"] nav a{color:var(--muted)}
[data-theme="dark"] nav a:hover{color:var(--text);background:rgba(255,255,255,0.05)}
[data-theme="dark"] nav a.active{color:var(--text);background:rgba(255,255,255,0.08)}
[data-theme="dark"] .kbd-hint{background:rgba(255,255,255,0.04);border-color:var(--border);color:var(--muted)}
[data-theme="dark"] .kbd-hint kbd{background:rgba(255,255,255,0.08);border-color:var(--border);color:var(--text)}
[data-theme="dark"] .btn-cta{background:var(--text);color:var(--bg-0)}
[data-theme="dark"] .btn-cta:hover{background:#fff}
[data-theme="dark"] .btn-ghost{background:rgba(255,255,255,0.05);color:var(--text);border-color:var(--border)}
[data-theme="dark"] .visual-card{background:rgba(18,19,34,0.85);border-color:var(--border)}
[data-theme="dark"] .vc-stat{background:rgba(255,255,255,0.03);border-color:var(--border)}
[data-theme="dark"] .stats-bar{background:var(--card);border-color:var(--border)}
[data-theme="dark"] .bento-item{background:var(--card);border-color:var(--border)}
[data-theme="dark"] .bento-item:hover{background:var(--card-hover);border-color:var(--border-2)}
[data-theme="dark"] .tool-box{background:var(--card);border-color:var(--border)}
[data-theme="dark"] .tool-box textarea{background:rgba(0,0,0,0.25);border-color:var(--border);color:var(--text)}
[data-theme="dark"] .tool-box textarea:focus{background:rgba(0,0,0,0.35);border-color:rgba(124,92,255,0.4)}
[data-theme="dark"] .stat-item{background:rgba(0,0,0,0.2);border-color:var(--border)}
[data-theme="dark"] .tool-inputs input,[data-theme="dark"] .tool-inputs select{background:rgba(0,0,0,0.25);border-color:var(--border);color:var(--text)}
[data-theme="dark"] .btn-group button{background:rgba(255,255,255,0.04);border-color:var(--border);color:var(--text-2)}
[data-theme="dark"] .checkbox-group label{background:rgba(255,255,255,0.03);border-color:var(--border);color:var(--muted)}
[data-theme="dark"] .feature-card{background:var(--card);border-color:var(--border)}
[data-theme="dark"] .blog-card{background:var(--card);border-color:var(--border)}
[data-theme="dark"] .content-section .toc{background:var(--card);border-color:var(--border)}
[data-theme="dark"] .contact-form{background:var(--card);border-color:var(--border)}
[data-theme="dark"] .contact-form input,[data-theme="dark"] .contact-form textarea{background:rgba(0,0,0,0.25);border-color:var(--border);color:var(--text)}
[data-theme="dark"] footer{background:rgba(0,0,0,0.2);border-top-color:var(--border)}
[data-theme="dark"] .cookie-banner{background:rgba(14,15,30,0.92);border-top-color:var(--border)}
[data-theme="dark"] .toast{background:var(--card-solid);border-color:var(--border-2)}
[data-theme="dark"] .cmd-palette{background:rgba(7,8,15,0.6)}
[data-theme="dark"] .cmd-box{background:var(--card-solid);border-color:var(--border-2)}
[data-theme="dark"] .mesh-orb{opacity:0.18}
[data-theme="dark"] .grid-bg{opacity:0.15}

/* Theme Toggle Button */
.theme-toggle{
  width:40px;height:40px;border-radius:10px;
  background:rgba(0,0,0,0.04);border:1px solid var(--border);
  display:grid;place-items:center;cursor:pointer;
  font-size:1.15rem;transition:all 0.25s;
  color:var(--muted);
}
.theme-toggle:hover{
  background:rgba(0,0,0,0.06);border-color:var(--border-2);
  color:var(--text);transform:translateY(-1px) rotate(15deg);
}
[data-theme="dark"] .theme-toggle{
  background:rgba(255,255,255,0.06);border-color:var(--border);
  color:var(--muted);
}
[data-theme="dark"] .theme-toggle:hover{
  background:rgba(255,255,255,0.1);color:var(--text);
}


/* ---- MPA extras ---- */
.breadcrumb{font-size:0.85rem;color:var(--muted);margin-bottom:1.6rem}
.breadcrumb a{color:var(--primary-3);text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}
.page-hero{max-width:840px;margin:0 auto 2.4rem;text-align:center;padding-top:1rem}
.page-hero .eyebrow{margin-bottom:1rem;display:block}
.page-hero h1{font-size:clamp(1.85rem,4vw,2.7rem);line-height:1.18;margin-bottom:1rem}
.page-hero p.lead{color:var(--muted);font-size:1.08rem;line-height:1.7}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1rem;margin-top:2.6rem}
.related-card{display:block;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:1.1rem 1.2rem;text-decoration:none;color:var(--text);transition:all .2s}
.related-card:hover{border-color:var(--primary-2);transform:translateY(-3px)}
.related-card .rc-icon{font-size:1.35rem;margin-bottom:0.5rem}
.related-card h4{font-size:0.95rem;margin-bottom:0.3rem}
.related-card p{font-size:0.8rem;color:var(--muted);line-height:1.5}
.trust-box{margin-top:2.6rem;background:linear-gradient(135deg,rgba(139,92,246,0.07),rgba(255,59,154,0.05));border:1px solid var(--border-2);border-radius:16px;padding:1.6rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.3rem}
.trust-box .tb-item{display:flex;gap:0.7rem;align-items:flex-start}
.trust-box .tb-ic{font-size:1.3rem}
.trust-box strong{display:block;font-size:0.9rem;margin-bottom:0.2rem}
.trust-box span{font-size:0.8rem;color:var(--muted);line-height:1.5}
.c404{text-align:center;padding:5rem 1rem 6rem}
.c404 h1{font-size:4.6rem;background:linear-gradient(135deg,#8b5cf6,#ff3b9a);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}