/* ===== Slickflow Modern Design System ===== */
:root {
  --sf-dark: #080e1c;
  --sf-dark-card: #0d1528;
  --sf-dark-border: #1e2a45;
  --sf-accent: #4f6ef7;
  --sf-accent-hover: #3d58e0;
  --sf-green: #10b981;
  --sf-purple: #8b5cf6;
  --sf-cyan: #06b6d4;
  --sf-orange: #f59e0b;
  --sf-text-light: #cbd5e1;
  --sf-text-muted: #64748b;
  --sf-light-bg: #f8fafc;
  --sf-border-light: #e2e8f0;
}

*,*::before,*::after { box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: #1e293b;
  background: #fff;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

/* ===== Navbar ===== */
.sf-navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(8, 14, 28, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sf-dark-border);
}

.sf-navbar .sf-nav-inner {
  display: flex;
  align-items: center;
  height: 64px;
  gap: 24px;
  padding: 0 24px;
  max-width: 1280px;
  margin: 0 auto;
}

.sf-logo {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  letter-spacing: -0.5px;
}

.sf-logo:hover { color: #fff; text-decoration: none; }

.sf-logo-ai {
  font-size: 11px;
  color: #818cf8;
  font-weight: 600;
  background: rgba(79,110,247,0.12);
  border: 1px solid rgba(79,110,247,0.25);
  padding: 2px 7px;
  border-radius: 4px;
  margin-left: 2px;
}

.sf-nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}

.sf-nav-links a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 6px 11px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}

.sf-nav-links a:hover { color: #fff; background: rgba(255,255,255,0.06); }

.sf-nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.sf-btn-github {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #94a3b8;
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 12px;
  border: 1px solid var(--sf-dark-border);
  border-radius: 6px;
  transition: all 0.2s;
}

.sf-btn-github:hover { color: #fff; border-color: rgba(79,110,247,0.5); background: rgba(79,110,247,0.08); }

.sf-btn-nav-primary {
  background: var(--sf-accent);
  color: #fff !important;
  text-decoration: none !important;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 6px;
  transition: all 0.2s;
  white-space: nowrap;
}

.sf-btn-nav-primary:hover { background: var(--sf-accent-hover); }

.sf-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--sf-dark-border);
  color: #94a3b8;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  margin-left: auto;
}

/* ===== Hero Section ===== */
.sf-hero {
  background: var(--sf-dark);
  background-image:
    radial-gradient(ellipse 60% 70% at 15% 50%, rgba(79,110,247,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 85% 20%, rgba(139,92,246,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 50% at 70% 80%, rgba(6,182,212,0.08) 0%, transparent 60%);
  padding: 156px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.sf-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.sf-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(79,110,247,0.1);
  border: 1px solid rgba(79,110,247,0.25);
  color: #818cf8;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.sf-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--sf-accent);
  border-radius: 50%;
  animation: sfpulse 2s infinite;
}

@keyframes sfpulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.sf-hero h1 {
  font-size: clamp(36px, 5.5vw, 66px);
  font-weight: 800;
  color: #fff;
  line-height: 1.12;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.sf-gradient-text {
  background: linear-gradient(135deg, #6c8af7 0%, #a78bfa 40%, #34d3b5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sf-hero-desc {
  font-size: 19px;
  color: #94a3b8;
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.65;
}

.sf-tech-pills {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.sf-tech-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  color: #cbd5e1;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 6px;
}

.sf-tech-pill .pill-icon { font-size: 14px; }

.sf-hero-cta {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 80px;
}

.sf-btn-cta-primary {
  background: var(--sf-accent);
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s;
  box-shadow: 0 0 0 0 rgba(79,110,247,0);
}

.sf-btn-cta-primary:hover {
  background: var(--sf-accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(79,110,247,0.4);
}

.sf-btn-cta-secondary {
  background: transparent;
  color: #e2e8f0;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 13px 28px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.12);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}

.sf-btn-cta-secondary:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.25);
  color: #fff;
}

/* ===== Stats Bar ===== */
.sf-stats-bar {
  border-top: 1px solid var(--sf-dark-border);
  padding-top: 52px;
  display: flex;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
}

.sf-stat { text-align: center; }

.sf-stat-val {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  display: block;
  letter-spacing: -0.5px;
}

.sf-stat-lbl {
  font-size: 13px;
  color: #475569;
  margin-top: 4px;
  display: block;
}

/* ===== Sections ===== */
.sf-section { padding: 96px 0; }
.sf-section-dark { background: var(--sf-dark); }
.sf-section-gray { background: var(--sf-light-bg); }
.sf-section-darker { background: #060b17; }

.sf-section-head {
  text-align: center;
  margin-bottom: 60px;
}

.sf-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--sf-accent);
  margin-bottom: 14px;
  display: block;
}

.sf-section-dark .sf-eyebrow { color: #818cf8; }

.sf-section-head h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: #1e293b;
  letter-spacing: -1px;
  margin-bottom: 16px;
  line-height: 1.2;
}

.sf-section-dark .sf-section-head h2 { color: #f1f5f9; }

.sf-section-head p {
  font-size: 17px;
  color: #64748b;
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ===== Pillars (3 big feature highlights) ===== */
.sf-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--sf-dark-border);
  border: 1px solid var(--sf-dark-border);
  border-radius: 16px;
  overflow: hidden;
}

.sf-pillar {
  background: var(--sf-dark-card);
  padding: 40px 36px;
  transition: background 0.3s;
}

.sf-pillar:hover { background: rgba(79,110,247,0.06); }

.sf-pillar-num {
  font-size: 11px;
  font-weight: 700;
  color: #4f6ef7;
  letter-spacing: 1px;
  margin-bottom: 20px;
  display: block;
}

.sf-pillar h3 {
  font-size: 22px;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 14px;
  letter-spacing: -0.3px;
}

.sf-pillar p {
  font-size: 14px;
  color: #64748b;
  line-height: 1.7;
  margin: 0;
}

.sf-pillar-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.sf-ptag {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 4px;
  border: 1px solid;
}

.sf-ptag.blue { color: #818cf8; border-color: rgba(79,110,247,0.3); background: rgba(79,110,247,0.08); }
.sf-ptag.green { color: #34d399; border-color: rgba(16,185,129,0.3); background: rgba(16,185,129,0.08); }
.sf-ptag.purple { color: #a78bfa; border-color: rgba(139,92,246,0.3); background: rgba(139,92,246,0.08); }
.sf-ptag.cyan { color: #22d3ee; border-color: rgba(6,182,212,0.3); background: rgba(6,182,212,0.08); }

/* ===== Feature Cards (6-grid) ===== */
.sf-feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.sf-feat-card {
  background: #fff;
  border: 1px solid var(--sf-border-light);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.sf-feat-card:hover {
  border-color: rgba(79,110,247,0.35);
  box-shadow: 0 6px 28px rgba(79,110,247,0.1);
  transform: translateY(-2px);
}

.sf-feat-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 18px;
}

.sf-feat-icon.ic-blue { background: rgba(79,110,247,0.1); }
.sf-feat-icon.ic-green { background: rgba(16,185,129,0.1); }
.sf-feat-icon.ic-purple { background: rgba(139,92,246,0.1); }
.sf-feat-icon.ic-cyan { background: rgba(6,182,212,0.1); }
.sf-feat-icon.ic-orange { background: rgba(245,158,11,0.1); }
.sf-feat-icon.ic-pink { background: rgba(236,72,153,0.1); }

.sf-feat-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 10px;
}

.sf-feat-card p {
  font-size: 14px;
  color: #64748b;
  line-height: 1.68;
  margin: 0;
}

/* ===== Industry Section ===== */
.sf-industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.sf-industry-card {
  background: #fff;
  border: 1px solid var(--sf-border-light);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: border-color 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: inherit;
}

.sf-industry-card:hover {
  border-color: rgba(79,110,247,0.3);
  box-shadow: 0 4px 20px rgba(79,110,247,0.08);
  color: inherit;
  text-decoration: none;
}

.sf-industry-ico {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
  background: var(--sf-light-bg);
}

.sf-industry-card h4 {
  font-size: 15px;
  font-weight: 600;
  color: #1e293b;
  margin: 0 0 6px;
}

.sf-industry-card p {
  font-size: 13px;
  color: #64748b;
  margin: 0;
  line-height: 1.6;
}

/* ===== Architecture Diagram ===== */
.sf-arch-wrap {
  max-width: 860px;
  margin: 0 auto;
  background: var(--sf-dark-card);
  border: 1px solid var(--sf-dark-border);
  border-radius: 16px;
  padding: 44px;
}

.sf-arch-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 8px;
}

.sf-arch-lbl {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: #334155;
  width: 72px;
  text-align: right;
  flex-shrink: 0;
}

.sf-arch-nodes {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.sf-anode {
  font-size: 12px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 7px;
  border: 1px solid;
  white-space: nowrap;
}

.sf-anode.blue { background: rgba(79,110,247,0.1); border-color: rgba(79,110,247,0.3); color: #818cf8; }
.sf-anode.green { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.3); color: #34d399; }
.sf-anode.purple { background: rgba(139,92,246,0.1); border-color: rgba(139,92,246,0.3); color: #a78bfa; }
.sf-anode.cyan { background: rgba(6,182,212,0.1); border-color: rgba(6,182,212,0.3); color: #22d3ee; }
.sf-anode.gray { background: rgba(100,116,139,0.1); border-color: rgba(100,116,139,0.25); color: #94a3b8; }
.sf-anode.orange { background: rgba(245,158,11,0.1); border-color: rgba(245,158,11,0.3); color: #fbbf24; }

.sf-arch-arrow {
  padding-left: 88px;
  color: #1e2a45;
  font-size: 18px;
  line-height: 1;
  margin: 0;
  user-select: none;
}

/* ===== Code Block ===== */
.sf-code-wrap {
  background: #0a0e1a;
  border: 1px solid var(--sf-dark-border);
  border-radius: 12px;
  overflow: hidden;
}

.sf-code-topbar {
  background: var(--sf-dark-card);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--sf-dark-border);
}

.sf-cdot { width: 11px; height: 11px; border-radius: 50%; }
.sf-cdot.r { background: #ff5f57; }
.sf-cdot.y { background: #febc2e; }
.sf-cdot.g { background: #28c840; }

.sf-code-file {
  font-size: 12px;
  color: #475569;
  margin-left: 10px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.sf-code-body {
  padding: 28px;
  overflow-x: auto;
}

.sf-code-body pre {
  margin: 0;
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.75;
  color: #e2e8f0;
}

.ck { color: #818cf8; }   /* keyword */
.ca { color: #34d399; }   /* attribute */
.cs { color: #fb923c; }   /* string */
.cc { color: #334155; }   /* comment */
.ct { color: #22d3ee; }   /* type */
.cm { color: #fbbf24; }   /* method */
.cp { color: #a78bfa; }   /* parameter */

/* ===== CTA Section ===== */
.sf-cta-sec {
  background: linear-gradient(135deg, #0d1642 0%, #0a0e1c 60%);
  padding: 120px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.sf-cta-sec::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(79,110,247,0.14) 0%, transparent 70%);
  pointer-events: none;
}

.sf-cta-sec h2 {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 700;
  color: #fff;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.sf-cta-sec p {
  font-size: 18px;
  color: #64748b;
  margin-bottom: 40px;
}

/* ===== Pricing ===== */
.sf-price-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  align-items: start;
}

.sf-price-card {
  background: #fff;
  border: 1px solid var(--sf-border-light);
  border-radius: 14px;
  padding: 28px 24px;
  position: relative;
}

.sf-price-card.featured {
  border-color: var(--sf-accent);
  box-shadow: 0 0 0 1px var(--sf-accent), 0 8px 32px rgba(79,110,247,0.12);
}

.sf-price-popular-badge {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--sf-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 14px;
  border-radius: 100px;
  white-space: nowrap;
}

.sf-price-tier {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--sf-accent);
  margin-bottom: 10px;
}

.sf-price-amount {
  font-size: 36px;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -1px;
  margin-bottom: 6px;
  display: flex;
  align-items: baseline;
  gap: 4px;
  flex-wrap: wrap;
}

.sf-price-currency { font-size: 18px; font-weight: 600; }
.sf-price-note { font-size: 14px; color: #64748b; font-weight: 400; }

.sf-price-tagline {
  font-size: 13px;
  color: #64748b;
  margin-bottom: 22px;
  line-height: 1.5;
}

hr.sf-divider { border: none; border-top: 1px solid var(--sf-border-light); margin: 20px 0; }

.sf-price-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}

.sf-price-list li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 13px;
  color: #475569;
  padding: 4px 0;
  line-height: 1.5;
}

.sf-price-list li .chk { color: var(--sf-green); font-weight: 700; flex-shrink: 0; }
.sf-price-list li .hi { color: var(--sf-accent); font-weight: 600; }

.sf-pbtn {
  display: block;
  width: 100%;
  padding: 11px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.sf-pbtn.outline { background: transparent; border: 1px solid var(--sf-border-light); color: #1e293b; }
.sf-pbtn.outline:hover { border-color: var(--sf-accent); color: var(--sf-accent); }
.sf-pbtn.solid { background: var(--sf-accent); color: #fff; }
.sf-pbtn.solid:hover { background: var(--sf-accent-hover); box-shadow: 0 4px 16px rgba(79,110,247,0.35); }
.sf-pbtn.free { background: var(--sf-green); color: #fff; }
.sf-pbtn.free:hover { background: #059669; }

/* ===== Page Header ===== */
.sf-page-header {
  background: var(--sf-dark);
  background-image: radial-gradient(ellipse 60% 80% at 20% 50%, rgba(79,110,247,0.1) 0%, transparent 70%);
  padding: 120px 0 60px;
  border-bottom: 1px solid var(--sf-dark-border);
}

.sf-page-header h1 { font-size: 36px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.sf-page-header p { font-size: 16px; color: #64748b; margin: 0; }

/* ===== Footer ===== */
.sf-footer {
  background: #060b17;
  border-top: 1px solid var(--sf-dark-border);
  padding: 72px 0 0;
}

.sf-footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.sf-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.sf-footer-brand p {
  font-size: 14px;
  color: #475569;
  line-height: 1.7;
  max-width: 270px;
  margin: 16px 0 20px;
}

.sf-footer-col h5 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: #94a3b8;
  margin-bottom: 18px;
}

.sf-footer-col ul { list-style: none; padding: 0; margin: 0; }
.sf-footer-col ul li { margin-bottom: 10px; }

.sf-footer-col ul li a {
  color: #475569;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.sf-footer-col ul li a:hover { color: #e2e8f0; }

.sf-footer-bottom {
  border-top: 1px solid #0f1a2e;
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #334155;
  flex-wrap: wrap;
  gap: 10px;
}

.sf-footer-bottom a { color: #475569; text-decoration: none; }
.sf-footer-bottom a:hover { color: #94a3b8; }

/* ===== About / Product page generics ===== */
.sf-content-section { padding: 80px 0; }
.sf-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .sf-price-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .sf-pillars { grid-template-columns: 1fr; }
  .sf-feat-grid { grid-template-columns: repeat(2, 1fr); }
  .sf-industry-grid { grid-template-columns: repeat(2, 1fr); }
  .sf-footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 640px) {
  .sf-hero { padding: 110px 0 60px; }
  .sf-feat-grid { grid-template-columns: 1fr; }
  .sf-industry-grid { grid-template-columns: 1fr; }
  .sf-price-grid { grid-template-columns: 1fr; }
  .sf-footer-grid { grid-template-columns: 1fr; }
  .sf-nav-links, .sf-nav-actions { display: none; }
  .sf-nav-toggle { display: block; }
  .sf-stats-bar { gap: 28px; }
  .sf-hero-cta { flex-direction: column; align-items: center; }
  .sf-arch-wrap { padding: 24px; }
  .sf-pillars { gap: 0; }
  .sf-footer-bottom { flex-direction: column; text-align: center; }
  .sf-section { padding: 60px 0; }
}
