:root {
  --cream: #191127;
  --warm-white: #fff9f0;
  --ink: #fff;
  --mid: #e2e8f0;
  --muted: #d6d6d6;
  --line: #3a1c63;
  --ms-blue: #883CF0;
  --ms-purple: #5b2d8e;
  --ms-teal: #007a6e;
  --ms-orange: #d4500a;
  --accent: #0f4c9e;
  --accent-light: #f7f8fb;
  --tag-bg: #f0f4fb;
  --success: #107c10;
  --warn: #d4500a;
  --radius: 4px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--cream);
  color:var(--ink);
  font-family:'Plus Jakarta Sans',sans-serif;
  overflow-x:hidden;
}

/* ─── GEOMETRY BACKGROUND ─── */
.geo-bg{
  position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;
}
.geo-bg svg{position:absolute;inset:0;width:100%;height:100%;opacity:0.035;}

/* ─── NAV ─── */
nav{
  position:fixed;top:0;left:0;right:0;z-index:200;
  background:#180f26;
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  padding:0 48px;
  display:flex;align-items:center;gap:0;
  height:64px;
}
.nav-logo{
  display:flex;align-items:center;gap:10px;
  font-family:'Playfair Display',serif;
  font-size:18px;font-weight:700;
  color:var(--ink);margin-right:auto;
  text-decoration:none;
}
.nav-logo-badge{
  width:30px;height:30px;
  background:var(--ms-blue);
  display:grid;grid-template-columns:1fr 1fr;gap:2px;
  padding:5px;border-radius:4px;
}
.nav-logo-badge span{
  background:rgba(255,255,255,0.9);
  border-radius:1px;display:block;
}
.nav-logo-badge span:nth-child(3){background:rgba(255,255,255,0.5);}
.nav-links{display:flex;gap:4px;margin-right:20px;}
.nav-links a{
  padding:8px 14px;border-radius:4px;
  font-size:13px;font-weight:500;
  color:var(--mid);text-decoration:none;
  transition:background 0.15s,color 0.15s;
}
.nav-links a:hover{background:var(--tag-bg);color:var(--ms-blue);}
.nav-cta{
  background:var(--ms-blue);color:#fff;
  border:none;padding:9px 20px;border-radius:4px;
  font-family:'Plus Jakarta Sans',sans-serif;
  font-size:13px;font-weight:600;cursor:pointer;
  transition:background 0.15s,transform 0.15s;
}
.nav-cta:hover{background:#883cf0e0;transform:translateY(-1px);}

/* ─── HERO ─── */
.hero{
  min-height:100vh;
  padding:100px 48px 80px;
  display:grid;grid-template-columns:1fr 520px;
  gap:64px;align-items:center;
  position:relative;z-index:1;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-light);
  color:var(--ms-blue);
  padding:5px 12px;border-radius:20px;
  font-size:12px;font-weight:600;letter-spacing:0.06em;
  text-transform:uppercase;margin-bottom:28px;
}
.hero-eyebrow::before{content:'⚡';font-size:11px;}
h1{
  font-family:'Playfair Display',serif;
  font-size:clamp(44px,6vw,80px);
  font-weight:900;line-height:1.0;
  letter-spacing:-0.025em;margin-bottom:28px;
  color:var(--ink);
}
h1 .line2{color:var(--ms-blue);}
h1 .line3{
  font-style:italic;font-weight:400;
  color:var(--ms-purple);
}
.hero-desc{
  font-size:16px;line-height:1.75;
  color:var(--mid);max-width:480px;margin-bottom:44px;
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}
.btn-primary{
  background:var(--ms-blue);color:#fff;
  border:2px solid var(--ms-blue);
  padding:13px 28px;border-radius:4px;
  font-size:14px;font-weight:600;cursor:pointer;
  transition:all 0.2s;
  display:inline-flex;align-items:center;gap:8px;
}
.btn-primary:hover{background:#883cf0e0;border-color:#883cf0e0;transform:translateY(-2px);box-shadow:0 8px 24px rgba(89, 15, 158, 0.25);}
.btn-outline{
  background:transparent;color:var(--ms-blue);
  border:2px solid var(--ms-blue);
  padding:13px 28px;border-radius:4px;
  font-size:14px;font-weight:600;cursor:pointer;
  transition:all 0.2s;
}
.btn-outline:hover{background:var(--accent-light);}

/* HERO MOCK APP */
.hero-right{position:relative;}
.mock-app{
  background:#3a1c6396;border-radius:8px;
  box-shadow:0 4px 6px rgba(127, 127, 127, 0.04),0 20px 60px rgba(152, 152, 152, 0.1);
  overflow:hidden;border:1px solid var(--line);
}
.mock-titlebar{
  background:#3a1c6347;border-bottom:1px solid var(--line);
  padding:10px 16px;display:flex;align-items:center;gap:10px;
}
.mock-tb-dots{display:flex;gap:5px;}
.mock-tb-dots span{
  width:10px;height:10px;border-radius:50%;display:block;
  background:var(--line);
}
.mock-tb-title{
  font-size:12px;color:var(--muted);margin:0 auto;
  font-family:'Fira Code',monospace;
}
.mock-body{display:grid;grid-template-columns:160px 1fr;}
.mock-sidebar{
  background:#3a1c6347;border-right:1px solid var(--line);
  padding:16px 0;
}
.mock-nav-item{
  padding:9px 16px;font-size:12px;color:var(--mid);
  cursor:pointer;display:flex;align-items:center;gap:8px;
  transition:background 0.15s;border-left:3px solid transparent;
}
.mock-nav-item.active{
  background:#23133a3a;color:var(--ms-blue);
  border-left-color:var(--ms-blue);font-weight:600;
}
.mock-nav-item:hover:not(.active){background:#23133a3a;}
.mock-icon{font-size:13px;}
.mock-content{padding:16px;}
.mock-content-title{
  font-size:13px;font-weight:700;color:var(--ink);
  margin-bottom:12px;
}
.mock-list{display:flex;flex-direction:column;gap:6px;}
.mock-row{
  background:var(--cream);border:1px solid var(--line);
  border-radius:4px;padding:8px 12px;
  display:grid;grid-template-columns:1fr auto auto;
  gap:12px;align-items:center;font-size:11px;
}
.mock-row-title{font-weight:600;color:var(--ink);}
.mock-row-meta{color:var(--muted);}
.mock-badge{
  padding:2px 8px;border-radius:20px;font-size:10px;font-weight:600;
}
.badge-active{background:#dff6dd;color:var(--success);}
.badge-draft{background:#fff4e0;color:#8a5700;}
.badge-review{background:#e8f0fd;color:var(--ms-blue);}
.mock-footer{
  border-top:1px solid var(--line);padding:10px 16px;
  display:flex;justify-content:flex-end;gap:8px;
  background:#3a1c6347;
}
.mock-btn{
  padding:5px 12px;border-radius:3px;font-size:11px;font-weight:600;
  cursor:pointer;border:none;
}
.mock-btn-p{background:var(--ms-blue);color:#fff;}
.mock-btn-s{background:#f3f2f1;color:#23133a3a;border:1px solid var(--line);}
.mock-connecting{
  position:absolute;
  top:-20px;right:-20px;
  background:var(--ms-teal);color:#fff;
  padding:8px 14px;border-radius:4px;
  font-size:12px;font-weight:600;
  display:flex;align-items:center;gap:6px;
  box-shadow:0 4px 16px rgba(69, 0, 122, 0.3);
  animation:popIn 0.5s 0.8s both;
}
.mock-connecting::before{content:'🔗';}
@keyframes popIn{from{opacity:0;transform:scale(0.8) translateY(10px);}to{opacity:1;transform:scale(1) translateY(0);}}

/* ─── SECTION UNIVERSAL ─── */
section{padding:100px 48px;position:relative;z-index:1;}
.section-label{
  font-size:11px;font-weight:700;letter-spacing:0.18em;
  text-transform:uppercase;color:var(--ms-blue);
  margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.section-label::before{
  content:'';width:24px;height:2px;background:var(--ms-blue);
  border-radius:2px;
}
h2{
  font-family:'Playfair Display',serif;
  font-size:clamp(32px,4.5vw,56px);
  font-weight:700;line-height:1.1;
  letter-spacing:-0.02em;color:var(--ink);
  margin-bottom:20px;
}
h2 em{font-style:italic;color:var(--ms-blue);}
.section-intro{
  font-size:16px;line-height:1.75;color:var(--mid);
  max-width:560px;margin-bottom:56px;
}

/* ─── DIVIDERS ─── */
.divider{
  border:none;border-top:1px solid var(--line);
  margin:0 48px;
}

/* ─── FEATURES GRID ─── */
.features-band{
  background:#191127;color:#fff;
  padding:80px 48px;
}
.features-band h2{color:#fff;}
.features-band h2 em{color:#ac7cff;}
.features-band .section-intro{color:#f3f2ef;}
.features-band .section-label{color:#ac7cff;}
.features-band .section-label::before{background:#ac7cff;}
.features-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:#180f26;
  border:1px solid #3a1c63;
}
.feat{
  background:#23133a;padding:36px 32px;
  transition:background 0.2s;cursor:default;
}
.feat:hover{background:#1f1232;}
.feat-icon{
  width:48px;height:48px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:20px;
}
.feat-icon.blue{background:rgba(15,76,158,0.25);}
.feat-icon.purple{background:rgba(91,45,142,0.25);}
.feat-icon.teal{background:rgba(0,122,110,0.25);}
.feat-icon.orange{background:rgba(212,80,10,0.25);}
.feat-icon.green{background:rgba(16,124,16,0.25);}
.feat-icon.red{background:rgba(180,0,0,0.2);}
.feat-title{
  font-size:17px;font-weight:700;
  color:#fff;margin-bottom:10px;
}
.feat-text{font-size:13px;line-height:1.75;color:#e7e5de;}

/* ─── INTERACTIVE APP BUILDER ─── */
.builder-section{background:#180f26;}
.builder-wrap{
  display:grid;grid-template-columns:260px 1fr;
  gap:0;border:1px solid var(--line);border-radius:6px;
  overflow:hidden;background:#23133a;
  box-shadow:0 4px 40px rgba(0,0,0,0.08);
}
.builder-steps{
  background:#1f1232;border-right:1px solid var(--line);
  padding:24px 0;
}
.step-item{
  padding:14px 20px;cursor:pointer;
  display:flex;align-items:flex-start;gap:12px;
  border-left:3px solid transparent;
  transition:all 0.2s;
}
.step-item.active{
  background:#2a1647;
  border-left-color:var(--ms-blue);
}
.step-item:hover:not(.active){background:#2a1647;}
.step-num{
  width:22px;height:22px;border-radius:50%;
  border:2px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;color:var(--muted);
  flex-shrink:0;margin-top:1px;transition:all 0.2s;
}
.step-item.active .step-num{
  background:var(--ms-blue);border-color:var(--ms-blue);color:#fff;
}
.step-item.done .step-num{
  background:var(--ms-teal);border-color:var(--ms-teal);color:#fff;
}
.step-item.done .step-num::after{content:'✓';}
.step-item.done .step-num span{display:none;}
.step-info{flex:1;}
.step-title{font-size:13px;font-weight:600;color:var(--ink);margin-bottom:2px;}
.step-item.active .step-title{color:var(--ms-blue);}
.step-sub{font-size:11px;color:var(--muted);line-height:1.5;}
.step-line{
  width:1px;height:16px;background:var(--line);
  margin:0 auto 0 30px;
}

.builder-panel{padding:40px;}
.panel-block{display:none;}
.panel-block.active{display:block;animation:fadeSlide 0.3s ease;}
@keyframes fadeSlide{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
.panel-title{
  font-family:'Playfair Display',serif;
  font-size:26px;font-weight:700;color:var(--ink);
  margin-bottom:8px;
}
.panel-desc{font-size:14px;color:var(--mid);line-height:1.65;margin-bottom:28px;}

/* SP list picker */
.sp-list-picker{display:flex;flex-direction:column;gap:8px;margin-bottom:24px;}
.sp-list-option{
  border:2px solid var(--line);border-radius:6px;
  padding:14px 18px;cursor:pointer;
  display:flex;align-items:center;gap:12px;
  transition:all 0.2s;
}
.sp-list-option:hover{border-color:var(--ms-blue);background:#2a1647;}
.sp-list-option.selected{border-color:var(--ms-blue);background:#2a1647;}
.sp-list-option input[type=radio]{accent-color:var(--ms-blue);}
.sp-list-icon{font-size:20px;}
.sp-list-name{font-size:14px;font-weight:600;color:var(--ink);}
.sp-list-cols{font-size:12px;color:var(--muted);}

/* Column toggles */
.col-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:24px;}
.col-toggle{
  border:1px solid var(--line);border-radius:6px;
  padding:12px 14px;cursor:pointer;
  display:flex;align-items:center;gap:10px;
  transition:all 0.2s;user-select:none;
}
.col-toggle:hover{border-color:var(--ms-blue);}
.col-toggle.checked{border-color:var(--ms-blue);background:#2a1647;}
.col-checkbox{
  width:18px;height:18px;border-radius:3px;
  border:2px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;transition:all 0.2s;flex-shrink:0;
}
.col-toggle.checked .col-checkbox{
  background:var(--ms-blue);border-color:var(--ms-blue);color:#fff;
}
.col-label{font-size:13px;font-weight:500;color:var(--ink);}
.col-type{font-size:10px;color:var(--muted);}

/* Screen type */
.screen-types{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:24px;}
.screen-card{
  border:2px solid var(--line);border-radius:6px;
  padding:16px;cursor:pointer;text-align:center;
  transition:all 0.2s;
}
.screen-card:hover{border-color:var(--ms-blue);}
.screen-card.selected{border-color:var(--ms-blue);background:#2a1647;}
.screen-card-icon{font-size:28px;margin-bottom:8px;}
.screen-card-name{font-size:13px;font-weight:600;color:var(--ink);}
.screen-card-desc{font-size:11px;color:var(--muted);margin-top:3px;}

/* PREVIEW */
.app-preview{
  border:1px solid var(--line);border-radius:6px;overflow:hidden;
  background:#1f1232;
}
.app-preview-bar{
  background:var(--ms-blue);padding:12px 16px;
  display:flex;align-items:center;gap:10px;
}
.app-preview-title{color:#fff;font-size:13px;font-weight:600;}
.app-preview-btn{
  margin-left:auto;background:rgba(255,255,255,0.2);
  border:none;color:#fff;padding:5px 10px;border-radius:3px;
  font-size:11px;cursor:pointer;font-weight:600;
}
.app-preview-body{padding:16px;}
.preview-gallery{display:flex;flex-direction:column;gap:6px;}
.preview-card{
  border:1px solid var(--line);border-radius:4px;
  padding:10px 12px;display:flex;justify-content:space-between;
  align-items:center;
}
.preview-card-main{font-size:12px;font-weight:600;color:var(--ink);}
.preview-card-sub{font-size:11px;color:var(--muted);}
.preview-status{
  font-size:10px;padding:2px 8px;border-radius:12px;font-weight:600;
}
.preview-form{display:flex;flex-direction:column;gap:10px;}
.preview-field{
  display:flex;flex-direction:column;gap:4px;
}
.preview-field-label{font-size:11px;font-weight:600;color:var(--mid);}
.preview-field-input{
  border:1px solid var(--line);border-radius:3px;
  padding:7px 10px;font-size:12px;color:var(--ink);
  background:var(--cream);
}

/* Builder CTA */
.builder-actions{
  display:flex;gap:10px;padding-top:16px;border-top:1px solid var(--line);
}
.step-btn{
  padding:10px 20px;border-radius:4px;
  font-size:13px;font-weight:600;cursor:pointer;border:none;
  transition:all 0.2s;
}
.step-btn-next{background:var(--ms-blue);color:#fff;}
.step-btn-next:hover{background:#883cf0e0;}
.step-btn-next:disabled{background:var(--line);color:var(--muted);cursor:not-allowed;}
.step-btn-back{background:#23133a;color:#fff;border:1px solid var(--line);}
.step-btn-back:hover{background:#1f1232;}

/* Generated formula */
.formula-box{
  background:#1f1232;border-radius:6px;
  padding:16px;font-family:'Fira Code',monospace;
  font-size:12px;line-height:1.7;overflow-x:auto;
  margin-bottom:16px;
}
.f-kw{color:#7cb4ff;}
.f-fn{color:#c8a0f0;}
.f-str{color:#9fd884;}
.f-op{color:#e8ae60;}
.f-var{color:#f2f2f2;}
.f-comment{color:#6b6b60;}

/* ─── HOW IT WORKS ─── */
.hiw-section{background:var(--cream);}
.hiw-timeline{display:flex;flex-direction:column;gap:0;}
.hiw-row{
  display:grid;grid-template-columns:80px 1fr;
  gap:0;align-items:stretch;
}
.hiw-col-line{
  display:flex;flex-direction:column;align-items:center;
}
.hiw-circle{
  width:44px;height:44px;border-radius:50%;
  border:2px solid var(--ms-blue);
  background:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;
  flex-shrink:0;z-index:1;
  font-family:'Playfair Display',serif;
  color:var(--ms-blue);
}
.hiw-vline{
  width:2px;flex:1;
  background:linear-gradient(var(--ms-blue),var(--line));
  margin:4px auto;
}
.hiw-row:last-child .hiw-vline{display:none;}
.hiw-body{padding:0 0 40px 28px;}
.hiw-tag{
  display:inline-block;
  background:var(--accent-light);color:var(--ms-blue);
  font-size:11px;font-weight:600;letter-spacing:0.06em;
  text-transform:uppercase;padding:3px 10px;border-radius:20px;
  margin-bottom:8px;
}
.hiw-title{
  font-family:'Playfair Display',serif;
  font-size:22px;font-weight:700;color:var(--ink);
  margin-bottom:8px;
}
.hiw-desc{font-size:14px;line-height:1.75;color:var(--mid);max-width:560px;}
.hiw-code{
  margin-top:14px;background:#23133a;border-radius:6px;
  padding:14px 18px;font-family:'Fira Code',monospace;
  font-size:12px;line-height:1.6;display:inline-block;
}

/* ─── USE CASE TABS ─── */
.usecases-section{background:#191127;}
.tab-row{
  display:flex;gap:4px;margin-bottom:40px;
  border-bottom:2px solid var(--line);padding-bottom:0;
  flex-wrap:wrap;
}
.tab{
  padding:12px 20px;font-size:13px;font-weight:600;
  color:var(--mid);cursor:pointer;border-radius:6px 6px 0 0;
  border-bottom:3px solid transparent;margin-bottom:-2px;
  transition:all 0.15s;
}
.tab:hover{color:var(--ms-blue);background:#2a1647;}
.tab.active{color:var(--ms-blue);border-bottom-color:var(--ms-blue);}

.tab-panel{display:none;}
.tab-panel.active{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;animation:fadeSlide 0.25s ease;}
.uc-label{
  font-size:11px;font-weight:700;letter-spacing:0.14em;
  text-transform:uppercase;color:var(--ms-orange);margin-bottom:10px;
}
.uc-title{
  font-family:'Playfair Display',serif;
  font-size:28px;font-weight:700;line-height:1.2;
  color:var(--ink);margin-bottom:14px;
}
.uc-desc{font-size:14px;line-height:1.75;color:var(--mid);margin-bottom:20px;}
.uc-steps{display:flex;flex-direction:column;gap:10px;}
.uc-step{
  display:flex;align-items:flex-start;gap:12px;
  padding:12px;background:#1f1232;border-radius:6px;
  border-left:3px solid var(--ms-blue);
}
.uc-step-num{
  width:22px;height:22px;border-radius:50%;
  background:var(--ms-blue);color:#fff;
  font-size:11px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.uc-step-text{font-size:13px;color:var(--mid);line-height:1.5;}
.uc-step-text strong{color:var(--ink);}
.uc-visual{
  background:#1f1232;border-radius:8px;
  border:1px solid var(--line);overflow:hidden;
}
.uc-visual-header{
  padding:14px 18px;border-bottom:1px solid var(--line);
  background:#3a1c6350;display:flex;align-items:center;gap:8px;
}
.uc-visual-title{font-size:13px;font-weight:600;color:var(--ink);}
.uc-visual-badge{
  margin-left:auto;padding:3px 8px;border-radius:12px;
  font-size:10px;font-weight:600;
}
.uc-visual-body{padding:18px;}
.uc-table{width:100%;border-collapse:collapse;font-size:12px;}
.uc-table th{
  padding:8px 10px;text-align:left;
  background:var(--ink);color:var(--cream);
  font-size:10px;letter-spacing:0.08em;text-transform:uppercase;
}
.uc-table td{padding:8px 10px;border-bottom:1px solid var(--line);}
.uc-table tr:hover td{background:#2e174c;}

/* ─── FORMULA PLAYGROUND ─── */
.playground-section{background:#180f26;color:#fff;}
.playground-section h2{color:var(--cream);}
.playground-section .section-label{color:#883CF0;}
.playground-section .section-label::before{background:#883CF0;}
.playground-section .section-intro{color:#f1f0ed;}
.playground-wrap{
  display:grid;grid-template-columns:260px 1fr;
  gap:24px;
}
.formula-list{display:flex;flex-direction:column;gap:6px;}
.formula-btn{
  background:#23133a;
  border:1px solid #3a1c63;
  border-radius:6px;padding:12px 16px;
  cursor:pointer;text-align:left;
  transition:all 0.2s;
}
.formula-btn:hover,.formula-btn.active{
  background:#1f1232;
  border-color:#5e309d;
}
.formula-btn-name{font-size:13px;font-weight:600;color:#883CF0;}
.formula-btn-desc{font-size:11px;color:#e6e5e1;margin-top:2px;}

.formula-header{
  display:flex;align-items:center;gap:12px;margin-bottom:16px;
}
.formula-name{
  font-family:'Fira Code',monospace;
  font-size:20px;font-weight:500;color:#7cb4ff;
}
.formula-tag{
  padding:3px 10px;background:rgba(91,45,142,0.3);
  border:1px solid rgba(91,45,142,0.5);border-radius:20px;
  font-size:11px;font-weight:600;color:#c8a0f0;
}
.formula-desc{font-size:14px;color:#9a9890;margin-bottom:18px;line-height:1.65;}
.formula-example-label{font-size:11px;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:#7cb4ff;margin-bottom:8px;}
.formula-output{
  background:rgba(255, 255, 255, 0.04);
  border:1px solid #3a1c63;
  border-radius:6px;padding:14px 16px;
  font-family:'Fira Code',monospace;font-size:12px;
  color:#9fd884;margin-top:12px;
}
.formula-output-label{font-size:10px;color:#f0f0e9;margin-bottom:6px;font-family:'Plus Jakarta Sans',sans-serif;}

/* ─── CTA BAND ─── */
.cta-band{
  background:linear-gradient(135deg,#3a1c63 0%,#5b2d8e 100%);
  padding:80px 48px;text-align:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:'';position:absolute;inset:0;
  background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta-band h2{color:#fff;font-size:clamp(32px,5vw,56px);margin-bottom:16px;}
.cta-band p{color:rgba(255,255,255,0.75);font-size:16px;margin-bottom:36px;max-width:480px;margin-left:auto;margin-right:auto;}
.cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.cta-btn-w{
  background:#fff;color:var(--ms-blue);
  border:2px solid #fff;
  padding:13px 28px;border-radius:4px;
  font-size:14px;font-weight:700;cursor:pointer;
  transition:all 0.2s;
}
.cta-btn-w:hover{background:rgba(255,255,255,0.9);transform:translateY(-2px);}
.cta-btn-t{
  background:transparent;color:#fff;
  border:2px solid rgba(255,255,255,0.5);
  padding:13px 28px;border-radius:4px;
  font-size:14px;font-weight:600;cursor:pointer;
  transition:all 0.2s;
}
.cta-btn-t:hover{border-color:#fff;background:rgba(255,255,255,0.1);}

/* ─── FOOTER ─── */
footer{
  background:#180f26;padding:48px;
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:16px;
  border-top:1px solid #3a1c63;
}
.footer-brand{
  font-family:'Playfair Display',serif;
  font-size:18px;font-weight:700;color:#fff;
}
.footer-links{display:flex;gap:20px;}
.footer-links a{font-size:13px;color:#ecebe8;text-decoration:none;transition:color 0.15s;}
.footer-links a:hover{color:#883CF0;}
.footer-copy{font-size:12px;color:#f3f3e9;}

/* ─── FADE IN ─── */
.reveal{
  opacity:1;transform:translateY(24px);
  transition:opacity 0.6s ease,transform 0.6s ease;
}
.reveal.visible{opacity:1;transform:none;}

/* ─── RESPONSIVE ─── */
@media(max-width:900px){
  nav{padding:0 20px;}
  .nav-links{display:none;}
  .hero{grid-template-columns:1fr;padding:90px 20px 48px;}
  section{padding:64px 20px;}
  .features-grid{grid-template-columns:1fr 1fr;}
  .builder-wrap{grid-template-columns:1fr;}
  .builder-steps{display:none;}
  .tab-panel.active{grid-template-columns:1fr;}
  .playground-wrap{grid-template-columns:1fr;}
  .formula-list{flex-direction:row;flex-wrap:wrap;}
  .stats-band{grid-template-columns:1fr 1fr;}
  footer{flex-direction:column;padding:32px 20px;}
  .divider{margin:0 20px;}
}