/* ═══════════════════════════════════════════════════════════════════
   Stairstep MLM Software – Stylesheet  v1.0.0
   MLM Mind | css/stairstep.css
   Design: Emerald/Teal premium SaaS UI (Rank-advancement palette)
═══════════════════════════════════════════════════════════════════ */

/* ── Custom Properties ─────────────────────────────────────────── */
:root {
  --primary:        #059669;
  --primary-dark:   #047857;
  --primary-light:  #d1fae5;
  --secondary:      #10b981;
  --secondary-dark: #059669;
  --secondary-light:#ecfdf5;
  --accent:         #f59e0b;
  --accent-dark:    #d97706;
  --accent-light:   #fffbeb;
  --violet:         #7c3aed;
  --blue:           #3b82f6;
  --rose:           #be185d;
  --teal:           #0d9488;

  /* Dark palette – deep forest-green charcoal */
  --dark:           #020c07;
  --dark-2:         #041208;
  --dark-3:         #071a0e;
  --dark-4:         #0d2718;
  --dark-5:         #143320;

  /* Mid / light */
  --mid:            #64748b;
  --mid-light:      #94a3b8;
  --border:         rgba(16,185,129,.18);
  --border-light:   rgba(16,185,129,.08);
  --light:          #ecfdf5;
  --white:          #ffffff;

  /* Semantics */
  --success:  #10b981;
  --warning:  #f59e0b;
  --danger:   #ef4444;
  --info:     #06b6d4;

  /* Shadows */
  --shadow-xs: 0 1px 3px rgba(0,0,0,.08);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.10);
  --shadow-md: 0 4px 20px rgba(0,0,0,.13);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.18);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.24);
  --glow:      0 0 40px rgba(16,185,129,.28);
  --glow-sm:   0 0 18px rgba(16,185,129,.20);

  /* Radii */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   18px;
  --radius-xl:   26px;
  --radius-full: 999px;

  /* Typography */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Motion */
  --ease:        cubic-bezier(.4,0,.2,1);
  --ease-bounce: cubic-bezier(.34,1.56,.64,1);
  --transition:  .3s var(--ease);

  /* Layout */
  --container:   1240px;
  --section-pad: 96px;
}

/* ── Reset & Base ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--dark);
  color: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--secondary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ── Scroll Progress ───────────────────────────────────────────── */
.scroll-bar {
  position: fixed; top: 0; left: 0; z-index: 9999;
  height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width .1s linear;
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

/* ── Container & Utilities ─────────────────────────────────────── */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section    { padding: var(--section-pad) 0; }
.section-alt{ padding: var(--section-pad) 0; background: var(--dark-2); }
.text-center{ text-align: center; }
.mt-8  { margin-top:8px; }
.mt-16 { margin-top:16px; }
.mt-24 { margin-top:24px; }
.mt-32 { margin-top:32px; }
.mt-48 { margin-top:48px; }
.mb-8  { margin-bottom:8px; }
.mb-16 { margin-bottom:16px; }

/* ── Grid Helpers ──────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); gap: 24px; }

/* ── Typography ────────────────────────────────────────────────── */
h1,h2,h3,h4,h5,h6 { font-weight: 700; line-height: 1.25; }
h1 { font-size: clamp(2rem,5vw,3.25rem); }
h2 { font-size: clamp(1.6rem,3.5vw,2.4rem); }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }
h5 { font-size: 1rem; }
p  { color: var(--mid-light); }
strong { color: var(--white); font-weight: 600; }

/* ── Buttons ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius-md);
  font-weight: 600; font-size: .95rem;
  transition: all var(--transition); cursor: pointer; border: 2px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  box-shadow: var(--glow-sm);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--glow); filter: brightness(1.1); color: var(--white); }
.btn-outline { border-color: var(--secondary); color: var(--secondary); }
.btn-outline:hover { background: rgba(16,185,129,.1); transform: translateY(-2px); }
.btn-ghost-white { border-color: rgba(255,255,255,.3); color: var(--white); }
.btn-ghost-white:hover { background: rgba(255,255,255,.08); transform: translateY(-2px); }
.btn-lg { padding: 14px 32px; font-size: 1.05rem; }
.btn-group { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* ── Badges ────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: var(--radius-full);
  font-size: .75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
}
.badge-primary { background: rgba(16,185,129,.15); color: var(--secondary); border: 1px solid rgba(16,185,129,.25); }
.badge-accent  { background: rgba(245,158,11,.15);  color: var(--accent);    border: 1px solid rgba(245,158,11,.25); }

/* ── Chips ─────────────────────────────────────────────────────── */
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: var(--radius-full); font-size: .72rem; font-weight: 600; border: 1px solid; }
.chip-green  { background: rgba(16,185,129,.1);  color: #34d399; border-color: rgba(16,185,129,.25); }
.chip-teal   { background: rgba(13,148,136,.1);  color: #2dd4bf; border-color: rgba(13,148,136,.25); }
.chip-amber  { background: rgba(245,158,11,.1);  color: #fbbf24; border-color: rgba(245,158,11,.25); }
.chip-violet { background: rgba(124,58,237,.1);  color: #a78bfa; border-color: rgba(124,58,237,.25); }
.chip-blue   { background: rgba(59,130,246,.1);  color: #60a5fa; border-color: rgba(59,130,246,.25); }
.chip-rose   { background: rgba(190,24,93,.1);   color: #fb7185; border-color: rgba(190,24,93,.25); }
.chip-orange { background: rgba(234,88,12,.1);   color: #fb923c; border-color: rgba(234,88,12,.25); }
.chip-sky    { background: rgba(14,165,233,.1);  color: #38bdf8; border-color: rgba(14,165,233,.25); }

/* ── Breadcrumb ────────────────────────────────────────────────── */
.breadcrumb { background: var(--dark-2); border-bottom: 1px solid var(--border-light); padding: 12px 0; }
.bc-list { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.bc-list li a { color: var(--mid-light); font-size: .85rem; }
.bc-list li a:hover { color: var(--secondary); }
.bc-list .active { color: var(--secondary); font-size: .85rem; font-weight: 600; }
.bc-list i { color: var(--mid); font-size: .65rem; }

/* ── Section Header ────────────────────────────────────────────── */
.section-header { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.sec-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(16,185,129,.1); color: var(--secondary);
  border: 1px solid rgba(16,185,129,.2); border-radius: var(--radius-full);
  padding: 5px 14px; font-size: .78rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; margin-bottom: 14px;
}
.section-title { color: var(--white); margin-bottom: 16px; }
.section-title span { color: var(--secondary); }
.section-desc { color: var(--mid-light); font-size: 1.05rem; line-height: 1.7; }

/* ── Hero ──────────────────────────────────────────────────────── */
.hero {
  padding: 100px 0 80px;
  background:
    radial-gradient(ellipse 80% 60% at 60% -10%, rgba(16,185,129,.18) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 100% 80%, rgba(5,150,105,.12) 0%, transparent 55%),
    linear-gradient(160deg, var(--dark) 0%, var(--dark-3) 60%, var(--dark-4) 100%);
  position: relative; overflow: hidden;
}
.hero::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='%2310b981' fill-opacity='0.03'%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");
  pointer-events:none;
}
.hero-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(16,185,129,.12); color: var(--secondary);
  border: 1px solid rgba(16,185,129,.25); border-radius: var(--radius-full);
  padding: 7px 18px; font-size: .82rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; margin-bottom: 20px;
}
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero h1 span { color: var(--secondary); }
.hero-sub { color: var(--mid-light); font-size: 1.05rem; line-height: 1.75; margin-bottom: 8px; }
.hero-stats { display: flex; gap: 32px; flex-wrap: wrap; margin-top: 36px; }
.hstat { display: flex; flex-direction: column; }
.hstat-num { font-size: 1.8rem; font-weight: 800; color: var(--secondary); line-height: 1; }
.hstat-label { font-size: .78rem; color: var(--mid-light); margin-top: 4px; font-weight: 500; }

/* ── Stairstep Flow Diagram ────────────────────────────────────── */
.stair-flow-wrap {
  background: linear-gradient(135deg, var(--dark-3), var(--dark-4));
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  position: relative;
}
.sla-chip {
  position: absolute; top: -12px; right: 20px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white); font-size: .72rem; font-weight: 700;
  padding: 4px 14px; border-radius: var(--radius-full);
  letter-spacing: .05em;
}
.flow-label    { font-weight: 700; font-size: 1rem; color: var(--white); text-align: center; margin-bottom: 4px; }
.flow-sublabel { font-size: .78rem; color: var(--mid-light); text-align: center; margin-bottom: 20px; }

/* Staircase visual */
.stair-steps-visual {
  display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px;
}
.stair-step-row {
  display: flex; align-items: center; gap: 10px;
}
.stair-step-node {
  border-radius: var(--radius-md);
  padding: 10px 14px; font-size: .82rem; font-weight: 700;
  display: flex; align-items: center; gap: 8px; flex: 1;
  border: 1px solid transparent; transition: all var(--transition);
}
.stair-step-node.step-1 { background: rgba(16,185,129,.08); border-color: rgba(16,185,129,.2); color: #34d399; margin-left: 0; }
.stair-step-node.step-2 { background: rgba(5,150,105,.10); border-color: rgba(5,150,105,.25); color: #10b981; margin-left: 16px; }
.stair-step-node.step-3 { background: rgba(4,120,87,.12); border-color: rgba(4,120,87,.3); color: #059669; margin-left: 32px; }
.stair-step-node.step-4 { background: rgba(245,158,11,.10); border-color: rgba(245,158,11,.25); color: #fbbf24; margin-left: 48px; }
.stair-step-node.step-5 { background: rgba(124,58,237,.10); border-color: rgba(124,58,237,.25); color: #a78bfa; margin-left: 64px; }
.stair-arrow-down { color: var(--secondary); font-size: .85rem; opacity: .7; margin-left: 8px; }
.stair-flow-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 16px; }
.sfs-card {
  background: var(--dark-5); border: 1px solid var(--border-light);
  border-radius: var(--radius-md); padding: 10px; text-align: center;
}
.sfs-val { display: block; font-size: 1.1rem; font-weight: 800; color: var(--secondary); }
.sfs-key { display: block; font-size: .7rem; color: var(--mid-light); margin-top: 2px; }

/* ── Stats Strip ───────────────────────────────────────────────── */
.stats-strip {
  background: linear-gradient(90deg, var(--dark-3), var(--dark-4));
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 28px 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 0; }
.stat-item {
  display: flex; flex-direction: column; align-items: center; padding: 0 16px;
  border-right: 1px solid var(--border-light);
}
.stat-item:last-child { border-right: none; }
.stat-num   { font-size: 1.8rem; font-weight: 800; color: var(--secondary); line-height: 1; }
.stat-label { font-size: .75rem; color: var(--mid-light); margin-top: 4px; font-weight: 500; text-align: center; }

/* ── Info / Compliance / Warning Boxes ─────────────────────────── */
.info-box {
  background: rgba(16,185,129,.06); border: 1px solid rgba(16,185,129,.2);
  border-radius: var(--radius-md); padding: 18px 20px; margin-top: 24px;
}
.compliance-box {
  background: rgba(245,158,11,.06); border: 1px solid rgba(245,158,11,.2);
  border-radius: var(--radius-md); padding: 18px 20px; margin-top: 24px;
}
.warning-box {
  background: rgba(239,68,68,.06); border: 1px solid rgba(239,68,68,.2);
  border-radius: var(--radius-md); padding: 18px 20px; margin-top: 24px;
}

/* ── Comparison Diff Cards ─────────────────────────────────────── */
.comp-diff-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; margin-top: 24px; }
.comp-diff-card {
  background: var(--dark-4); border: 1px solid var(--border-light);
  border-radius: var(--radius-md); padding: 18px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.comp-diff-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.comp-diff-icon {
  width: 40px; height: 40px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; margin-bottom: 10px;
  border: 1px solid transparent;
}
.comp-diff-card h5 { color: var(--white); margin-bottom: 6px; font-size: .9rem; }
.comp-diff-desc { font-size: .82rem; line-height: 1.55; }
.ic-green  { background: rgba(16,185,129,.12); border-color: rgba(16,185,129,.2); color: var(--secondary); }
.ic-violet { background: rgba(124,58,237,.12); border-color: rgba(124,58,237,.2); color: #a78bfa; }
.ic-blue   { background: rgba(59,130,246,.12); border-color: rgba(59,130,246,.2); color: #60a5fa; }
.ic-teal   { background: rgba(13,148,136,.12); border-color: rgba(13,148,136,.2); color: #2dd4bf; }
.ic-rose   { background: rgba(190,24,93,.12);  border-color: rgba(190,24,93,.2);  color: #fb7185; }
.ic-orange { background: rgba(234,88,12,.12);  border-color: rgba(234,88,12,.2);  color: #fb923c; }
.ic-amber  { background: rgba(245,158,11,.12); border-color: rgba(245,158,11,.2); color: #fbbf24; }
.ic-sky    { background: rgba(14,165,233,.12); border-color: rgba(14,165,233,.2); color: #38bdf8; }
.ic-indigo { background: rgba(99,102,241,.12); border-color: rgba(99,102,241,.2); color: #818cf8; }
.ic-cyan   { background: rgba(6,182,212,.12);  border-color: rgba(6,182,212,.2);  color: #22d3ee; }
.ic-purple { background: rgba(168,85,247,.12); border-color: rgba(168,85,247,.2); color: #c084fc; }

/* ── Steps Grid ────────────────────────────────────────────────── */
.steps-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.step-card {
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.step-num {
  width: 36px; height: 36px; border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: .88rem; color: var(--white);
  margin-bottom: 16px; flex-shrink: 0;
}
.step-card h4 { color: var(--white); margin-bottom: 8px; }

/* ── Rank / Commission Cards ───────────────────────────────────── */
.rank-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(200px,1fr)); gap: 20px; }
.rank-card {
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px; text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.rank-card:hover { transform: translateY(-4px); box-shadow: var(--glow-sm); }
.rank-icon {
  width: 56px; height: 56px; border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin: 0 auto 14px;
}
.rank-card h4 { color: var(--white); margin-bottom: 6px; font-size: .95rem; }
.rank-card .rank-pct { font-size: 1.5rem; font-weight: 800; color: var(--secondary); display: block; margin: 8px 0 4px; }
.rank-card p { font-size: .78rem; }

/* ── Benefits Grid ─────────────────────────────────────────────── */
.benefits-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap: 20px; }
.benefit-card {
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.benefit-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.benefit-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 14px;
}
.benefit-card h4 { color: var(--white); margin-bottom: 8px; }

/* ── Feature Tabs ──────────────────────────────────────────────── */
.feat-tabs-wrap { margin-top: 0; }
.feat-tabs-nav {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px;
  border-bottom: 1px solid var(--border-light); padding-bottom: 0;
}
.tab-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: var(--radius-md) var(--radius-md) 0 0;
  font-size: .85rem; font-weight: 600; color: var(--mid-light);
  border: 1px solid transparent; border-bottom: none; margin-bottom: -1px;
  transition: all var(--transition); background: transparent;
}
.tab-btn i { font-size: 1rem; }
.tab-btn:hover { color: var(--secondary); background: rgba(16,185,129,.05); }
.tab-btn.active {
  color: var(--secondary); background: var(--dark-3);
  border-color: var(--border); border-bottom-color: var(--dark-3);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.feat-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 18px; }
.feat-item {
  background: var(--dark-4); border: 1px solid var(--border-light);
  border-radius: var(--radius-md); padding: 20px;
  transition: transform var(--transition);
}
.feat-item:hover { transform: translateY(-2px); }
.feat-item i { font-size: 1.4rem; margin-bottom: 10px; display: block; }
.feat-item h5 { color: var(--white); margin-bottom: 6px; }
.feat-item p { font-size: .82rem; }

/* ── Plan Example Table ─────────────────────────────────────────── */
.plan-table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); }
.plan-table {
  width: 100%; border-collapse: collapse; font-size: .88rem;
}
.plan-table th {
  background: var(--dark-4); color: var(--white); padding: 14px 18px;
  text-align: left; font-size: .8rem; text-transform: uppercase; letter-spacing: .06em;
  border-bottom: 1px solid var(--border);
}
.plan-table td {
  padding: 13px 18px; border-bottom: 1px solid var(--border-light);
  color: var(--mid-light); transition: background var(--transition);
}
.plan-table tr:last-child td { border-bottom: none; }
.plan-table tr:hover td { background: rgba(16,185,129,.04); }
.plan-table .highlight { color: var(--secondary); font-weight: 700; }
.plan-table .highlight-accent { color: var(--accent); font-weight: 700; }

/* ── Commission Calculator ─────────────────────────────────────── */
.calc-wrap {
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 36px;
}
.calc-controls { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-bottom: 28px; }
.calc-field label { display: block; font-size: .8rem; font-weight: 600; color: var(--mid-light); margin-bottom: 8px; text-transform: uppercase; letter-spacing: .06em; }
.calc-field input[type="range"] {
  width: 100%; accent-color: var(--secondary);
  height: 4px; cursor: pointer;
}
.calc-val { font-size: 1.1rem; font-weight: 700; color: var(--secondary); margin-top: 6px; }
.calc-results { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.calc-result-card {
  background: var(--dark-4); border: 1px solid var(--border-light);
  border-radius: var(--radius-md); padding: 18px; text-align: center;
}
.calc-result-val { font-size: 1.3rem; font-weight: 800; background: linear-gradient(135deg,var(--secondary),var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; display: block; }
.calc-result-key { font-size: .75rem; color: var(--mid-light); margin-top: 4px; display: block; }
.calc-bar-wrap { margin-top: 24px; }
.calc-bar-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.calc-bar-label { font-size: .78rem; color: var(--mid-light); width: 130px; flex-shrink: 0; }
.calc-bar-track { flex: 1; background: var(--dark-5); border-radius: var(--radius-full); height: 8px; overflow: hidden; }
.calc-bar-fill { height: 100%; border-radius: var(--radius-full); transition: width .6s var(--ease); }
.calc-bar-fill.primary { background: linear-gradient(90deg, var(--primary), var(--secondary)); }
.calc-bar-fill.accent  { background: linear-gradient(90deg, var(--accent-dark), var(--accent)); }
.calc-bar-fill.violet  { background: linear-gradient(90deg, #7c3aed, #a78bfa); }
.calc-bar-val { font-size: .78rem; font-weight: 700; color: var(--secondary); width: 60px; text-align: right; }

/* ── Why Cards ─────────────────────────────────────────────────── */
.why-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.why-card {
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.why-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.why-icon {
  width: 56px; height: 56px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 18px;
}
.why-card h4 { color: var(--white); margin-bottom: 10px; }

/* ── Case Study KPIs ───────────────────────────────────────────── */
.case-study-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.kpi-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; margin-top: 28px; }
.kpi-card {
  background: var(--dark-4); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 18px; text-align: center;
}
.kpi-val { font-size: 1.6rem; font-weight: 800; color: var(--secondary); display: block; }
.kpi-label { font-size: .75rem; color: var(--mid-light); display: block; margin-top: 4px; }

/* ── FAQ Accordion ─────────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 880px; margin: 0 auto; }
.faq-item {
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden;
}
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px; text-align: left; color: var(--white);
  font-weight: 600; font-size: .95rem; gap: 16px;
  transition: background var(--transition);
}
.faq-q:hover { background: rgba(16,185,129,.06); }
.faq-q.open  { background: rgba(16,185,129,.08); color: var(--secondary); }
.faq-icon { font-size: .8rem; flex-shrink: 0; transition: transform var(--transition); color: var(--secondary); }
.faq-q.open .faq-icon { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
.faq-a-inner { padding: 0 22px 18px; }
.faq-a-inner p { font-size: .9rem; line-height: 1.7; }

/* ── Testimonial Slider ────────────────────────────────────────── */
.testi-slider-wrap { position: relative; overflow: hidden; }
.testi-track { display: flex; transition: transform .5s var(--ease); }
.testi-card {
  min-width: 100%; background: var(--dark-3); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 40px; flex-shrink: 0;
}
.testi-stars { color: var(--accent); font-size: 1rem; margin-bottom: 16px; letter-spacing: 2px; }
.testi-text { font-size: 1.05rem; line-height: 1.75; color: var(--mid-light); font-style: italic; margin-bottom: 24px; }
.testi-author { display: flex; align-items: center; gap: 14px; }
.testi-avatar {
  width: 48px; height: 48px; border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1rem; color: var(--white); flex-shrink: 0;
}
.testi-name { font-weight: 700; color: var(--white); }
.testi-role { font-size: .8rem; color: var(--mid-light); }
.slider-nav { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 28px; }
.slider-btn {
  width: 40px; height: 40px; border-radius: var(--radius-full);
  background: var(--dark-3); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--secondary); font-size: .9rem;
  transition: all var(--transition);
}
.slider-btn:hover { background: var(--primary); border-color: var(--primary); color: var(--white); }
.slider-dots { display: flex; gap: 8px; }
.slider-dot {
  width: 8px; height: 8px; border-radius: var(--radius-full);
  background: var(--dark-5); border: 1px solid var(--border);
  transition: all var(--transition); cursor: pointer;
}
.slider-dot.active { background: var(--secondary); border-color: var(--secondary); width: 20px; }

/* ── Comparison Table ──────────────────────────────────────────── */
.compare-table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); }
.compare-table { width: 100%; border-collapse: collapse; }
.compare-table th {
  background: var(--dark-4); color: var(--white);
  padding: 14px 18px; text-align: center; font-size: .85rem;
  border-bottom: 1px solid var(--border);
}
.compare-table th:first-child { text-align: left; }
.compare-table td {
  padding: 12px 18px; text-align: center; border-bottom: 1px solid var(--border-light);
  color: var(--mid-light); font-size: .88rem;
}
.compare-table td:first-child { text-align: left; font-weight: 600; color: var(--white); }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:hover td { background: rgba(16,185,129,.04); }
.check-yes { color: var(--success); font-size: 1rem; }
.check-no  { color: var(--danger);  font-size: 1rem; }
.check-partial { color: var(--warning); font-size: 1rem; }
.highlight-col { background: rgba(16,185,129,.05); }

/* ── Security / Compliance Grid ────────────────────────────────── */
.security-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 20px; }
.security-card {
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 22px;
  transition: transform var(--transition);
}
.security-card:hover { transform: translateY(-3px); }
.security-icon { font-size: 1.6rem; margin-bottom: 12px; }
.security-card h5 { color: var(--white); margin-bottom: 6px; }

/* ── CTA Section ───────────────────────────────────────────────── */
.cta-section {
  padding: var(--section-pad) 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, rgba(16,185,129,.2) 0%, transparent 65%),
    linear-gradient(160deg, var(--dark-3) 0%, var(--dark-4) 100%);
  text-align: center; border-top: 1px solid var(--border);
}
.cta-section h2 { color: var(--white); margin-bottom: 16px; }
.cta-section h2 span { color: var(--secondary); }
.cta-section p { color: var(--mid-light); font-size: 1.05rem; max-width: 640px; margin: 0 auto 32px; }
.cta-features { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 32px; }
.cta-feature-chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.2);
  border-radius: var(--radius-full); padding: 6px 14px;
  font-size: .8rem; font-weight: 600; color: var(--secondary);
}

/* ── Footer ────────────────────────────────────────────────────── */
footer {
  background: var(--dark-2); border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .logo-wrap { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .logo-icon { width: 36px; height: 36px; background: linear-gradient(135deg,var(--primary),var(--secondary)); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 1rem; }
.footer-brand .logo-text { font-size: 1.2rem; font-weight: 800; color: var(--white); }
.footer-brand .logo-text span { color: var(--secondary); }
.footer-desc { color: var(--mid-light); font-size: .88rem; line-height: 1.7; margin-bottom: 20px; }
.footer-col h5 { color: var(--white); font-size: .88rem; font-weight: 700; margin-bottom: 16px; text-transform: uppercase; letter-spacing: .06em; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--mid-light); font-size: .85rem; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--secondary); }
.footer-bottom { border-top: 1px solid var(--border-light); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-copy { font-size: .82rem; color: var(--mid); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: .82rem; color: var(--mid); transition: color var(--transition); }
.footer-links a:hover { color: var(--secondary); }

/* ── Sticky CTA Bar ────────────────────────────────────────────── */
.sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 900;
  background: var(--dark-3); border-top: 1px solid var(--border);
  padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  transform: translateY(100%); transition: transform .4s var(--ease);
  box-shadow: 0 -8px 32px rgba(0,0,0,.3);
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta p { color: var(--mid-light); font-size: .88rem; margin: 0; }
.sticky-cta p strong { color: var(--white); }
.sticky-cta-btns { display: flex; gap: 10px; flex-shrink: 0; }

/* ── Back to Top ───────────────────────────────────────────────── */
.back-to-top {
  position: fixed; bottom: 80px; right: 24px; z-index: 800;
  width: 44px; height: 44px; border-radius: var(--radius-full);
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  color: var(--white); display: flex; align-items: center; justify-content: center;
  font-size: .9rem; box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none; transition: all var(--transition);
}
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { transform: translateY(-4px); color: var(--white); }

/* ── AOS Animations ────────────────────────────────────────────── */
[data-aos] { opacity: 0; transition: opacity .6s var(--ease), transform .6s var(--ease); }
[data-aos="fade-up"]    { transform: translateY(30px); }
[data-aos="fade-right"] { transform: translateX(-30px); }
[data-aos="fade-left"]  { transform: translateX(30px); }
[data-aos="zoom-in"]    { transform: scale(.9); }
[data-aos].aos-animate  { opacity: 1; transform: none; }

/* ── Code Block ────────────────────────────────────────────────── */
.code-block {
  background: var(--dark-2); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 20px 24px;
  font-family: var(--font-mono); font-size: .82rem; line-height: 1.7;
  overflow-x: auto; margin-top: 20px;
}
.code-block .kw  { color: #86efac; }
.code-block .str { color: #fbbf24; }
.code-block .num { color: #a78bfa; }
.code-block .cmt { color: var(--mid); font-style: italic; }

/* ── Logic Grid ────────────────────────────────────────────────── */
.logic-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .calc-controls { grid-template-columns: 1fr 1fr; }
  .calc-results  { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  :root { --section-pad: 64px; }
  .hero-wrap { grid-template-columns: 1fr; gap: 40px; }
  .grid-2, .logic-grid, .case-study-wrap { grid-template-columns: 1fr; gap: 28px; }
  .grid-3, .steps-grid, .why-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(3,1fr); }
  .comp-diff-grid { grid-template-columns: 1fr; }
  .calc-controls  { grid-template-columns: 1fr; }
  .calc-results   { grid-template-columns: repeat(2,1fr); }
  .footer-grid    { grid-template-columns: 1fr; gap: 24px; }
  .stair-step-node.step-3 { margin-left: 16px; }
  .stair-step-node.step-4 { margin-left: 24px; }
  .stair-step-node.step-5 { margin-left: 32px; }
}
@media (max-width: 480px) {
  h1 { font-size: 1.8rem; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .calc-results { grid-template-columns: 1fr; }
  .cta-btns { flex-direction: column; }
  .sticky-cta { flex-direction: column; gap: 10px; }
}