@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Space+Grotesk:wght@400;500;600;700&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --purple-deep:#3B1773;
  --purple-mid:#6B3FA0;
  --purple-light:#8B5CF6;
  --purple-pale:#EDE9FE;
  --cyan:#06D6E0;
  --cyan-light:#67E8F9;
  --orange:#F97316;
  --orange-light:#FB923C;
  --gray-900:#111827;
  --gray-800:#1F2937;
  --gray-700:#374151;
  --gray-600:#4B5563;
  --gray-500:#6B7280;
  --gray-400:#9CA3AF;
  --gray-300:#D1D5DB;
  --gray-200:#E5E7EB;
  --gray-100:#F3F4F6;
  --gray-50:#F9FAFB;
  --white:#FFFFFF;
  --font-heading:'Space Grotesk',sans-serif;
  --font-body:'Inter',sans-serif;
  --radius-sm:6px;
  --radius-md:10px;
  --radius-lg:16px;
  --radius-xl:24px;
  --shadow-sm:0 1px 2px rgba(0,0,0,.05);
  --shadow-md:0 4px 12px rgba(0,0,0,.08);
  --shadow-lg:0 12px 40px rgba(0,0,0,.12);
  --shadow-glow:0 0 40px rgba(139,92,246,.25);
  --transition:0.25s cubic-bezier(.4,0,.2,1);
}

html{font-size:100%;scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.7;
  color:var(--gray-800);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{cursor:pointer;font-family:inherit;border:none;background:none}
input,textarea,select{font-family:inherit;font-size:inherit}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* ─── NAV / HEADER ─── */

.kf-topbar{
  position:sticky;top:0;z-index:100;
  background:var(--white);
  border-bottom:1px solid var(--gray-200);
  backdrop-filter:blur(12px);
  background:rgba(255,255,255,.92);
}

.kf-topbar-inner{
  max-width:1200px;
  margin:0 auto;
  padding:0 clamp(1.25rem,4vw,3rem);
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:64px;
}

.kf-logo{
  display:flex;align-items:center;gap:.6rem;
  font-family:var(--font-heading);
  font-weight:700;
  font-size:clamp(1.1rem,2vw,1.35rem);
  color:var(--purple-deep);
  letter-spacing:-.02em;
}

.kf-logo-mark{
  width:32px;height:32px;
  border-radius:var(--radius-sm);
  background:linear-gradient(135deg,var(--purple-mid),var(--cyan));
  display:flex;align-items:center;justify-content:center;
  color:var(--white);font-size:.85rem;font-weight:700;
}

.kf-nav{display:flex;align-items:center;gap:clamp(.75rem,2vw,2rem)}

.kf-nav a{
  font-size:.875rem;
  font-weight:500;
  color:var(--gray-600);
  padding:.4rem .2rem;
  transition:color var(--transition);
  position:relative;
}

.kf-nav a:hover,.kf-nav a[aria-current="page"]{color:var(--purple-mid)}

.kf-nav a[aria-current="page"]::after{
  content:'';position:absolute;bottom:-2px;left:.2rem;right:.2rem;
  height:2px;border-radius:1px;
  background:linear-gradient(90deg,var(--purple-mid),var(--cyan));
}

.kf-nav-cta{
  margin-left:.5rem;
  font-size:.8125rem;
  font-weight:600;
  padding:.55rem 1.25rem;
  border-radius:var(--radius-sm);
  background:linear-gradient(135deg,var(--purple-mid),var(--purple-deep));
  color:var(--white);
  transition:transform var(--transition),box-shadow var(--transition);
}

.kf-nav-cta:hover{
  transform:translateY(-1px);
  box-shadow:0 4px 16px rgba(107,63,160,.35);
}

.kf-menu-toggle{
  display:none;
  flex-direction:column;gap:5px;
  width:28px;padding:4px 0;
}

.kf-menu-toggle span{
  display:block;height:2px;
  background:var(--gray-700);
  border-radius:2px;
  transition:var(--transition);
}

@media(max-width:768px){
  .kf-menu-toggle{display:flex}
  .kf-nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;
    background:var(--white);
    flex-direction:column;
    align-items:stretch;
    padding:2rem;gap:0;
    transform:translateX(100%);
    transition:transform var(--transition);
    z-index:99;
  }
  .kf-nav.is-open{transform:translateX(0)}
  .kf-nav a{padding:.8rem 0;font-size:1.1rem;border-bottom:1px solid var(--gray-100)}
  .kf-nav a::after{display:none}
  .kf-nav-cta{margin-left:0;margin-top:1.5rem;text-align:center}
}

/* ─── HERO ─── */

.kf-page-hero{
  position:relative;
  padding:clamp(4rem,10vw,8rem) clamp(1.25rem,4vw,3rem) clamp(3rem,8vw,6rem);
  text-align:center;
  overflow:hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%,rgba(139,92,246,.08),transparent),
    radial-gradient(ellipse 50% 50% at 80% 20%,rgba(6,214,224,.06),transparent),
    var(--white);
}

.kf-page-hero::before{
  content:'';position:absolute;
  top:-30%;right:-10%;width:500px;height:500px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(139,92,246,.07),transparent 70%);
  pointer-events:none;
}

.kf-hero-eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--font-heading);
  font-size:clamp(.75rem,1.2vw,.875rem);
  font-weight:600;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--purple-mid);
  background:var(--purple-pale);
  padding:.4rem 1rem;
  border-radius:50px;
  margin-bottom:1.5rem;
}

.kf-hero-eyebrow-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan);
}

.kf-hero-title{
  font-family:var(--font-heading);
  font-size:clamp(2.2rem,5.5vw,4.2rem);
  font-weight:700;
  line-height:1.1;
  letter-spacing:-.03em;
  color:var(--gray-900);
  max-width:800px;
  margin:0 auto 1.25rem;
}

.kf-hero-title .kf-gradient-text{
  background:linear-gradient(135deg,var(--purple-mid),var(--cyan),var(--orange-light));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

.kf-hero-subtitle{
  font-size:clamp(1rem,2vw,1.25rem);
  line-height:1.6;
  color:var(--gray-600);
  max-width:580px;
  margin:0 auto clamp(2rem,4vw,3rem);
}

.kf-hero-actions{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:1rem;
  flex-wrap:wrap;
}

/* ─── BUTTONS ─── */

.kf-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--font-heading);
  font-weight:600;
  font-size:.9375rem;
  padding:.75rem 1.75rem;
  border-radius:var(--radius-sm);
  transition:all var(--transition);
  white-space:nowrap;
}

.kf-btn-primary{
  background:linear-gradient(135deg,var(--purple-mid),var(--purple-deep));
  color:var(--white);
  box-shadow:0 2px 8px rgba(107,63,160,.25);
}

.kf-btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 6px 24px rgba(107,63,160,.35);
}

.kf-btn-secondary{
  background:var(--white);
  color:var(--gray-700);
  border:1.5px solid var(--gray-300);
}

.kf-btn-secondary:hover{
  border-color:var(--purple-light);
  color:var(--purple-mid);
  background:var(--purple-pale);
}

.kf-btn-ghost{
  color:var(--gray-600);
  padding:.5rem .25rem;
  font-size:.875rem;
}

.kf-btn-ghost:hover{color:var(--purple-mid)}

.kf-btn-ghost svg{
  transition:transform var(--transition);
}

.kf-btn-ghost:hover svg{
  transform:translateX(3px);
}

/* ─── SECTIONS ─── */

.kf-section{
  padding:clamp(3.5rem,8vw,7rem) clamp(1.25rem,4vw,3rem);
}

.kf-section-wrapper{
  max-width:1200px;
  margin:0 auto;
}

.kf-section-label{
  font-family:var(--font-heading);
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--purple-mid);
  margin-bottom:.75rem;
}

.kf-section-heading{
  font-family:var(--font-heading);
  font-size:clamp(1.6rem,3.5vw,2.6rem);
  font-weight:700;
  line-height:1.15;
  letter-spacing:-.02em;
  color:var(--gray-900);
  margin-bottom:1rem;
}

.kf-lead{
  font-size:clamp(1rem,1.8vw,1.1875rem);
  line-height:1.7;
  color:var(--gray-600);
  max-width:640px;
}

.kf-body{
  font-size:.9375rem;
  line-height:1.75;
  color:var(--gray-600);
}

.kf-body+p.kf-body{margin-top:.75rem}

/* ─── CARDS ─── */

.kf-card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));
  gap:1.5rem;
  margin-top:2.5rem;
}

.kf-card{
  background:var(--white);
  border:1px solid var(--gray-200);
  border-radius:var(--radius-lg);
  padding:clamp(1.5rem,3vw,2.25rem);
  transition:all var(--transition);
  position:relative;
  overflow:hidden;
}

.kf-card:hover{
  border-color:var(--purple-pale);
  box-shadow:var(--shadow-md);
  transform:translateY(-3px);
}

.kf-card-icon{
  width:44px;height:44px;
  border-radius:var(--radius-md);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:1.25rem;
  font-size:1.25rem;
}

.kf-card-icon--purple{background:var(--purple-pale);color:var(--purple-mid)}
.kf-card-icon--cyan{background:#ECFEFF;color:var(--cyan)}
.kf-card-icon--orange{background:#FFF7ED;color:var(--orange)}

.kf-card-title{
  font-family:var(--font-heading);
  font-size:1.125rem;
  font-weight:600;
  color:var(--gray-900);
  margin-bottom:.5rem;
}

.kf-card-text{
  font-size:.875rem;
  line-height:1.65;
  color:var(--gray-500);
}

/* ─── GRADIENT PREVIEW CARDS ─── */

.kf-gradient-row{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));
  gap:1.25rem;
  margin-top:2.5rem;
}

.kf-gradient-card{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--gray-200);
  transition:all var(--transition);
}

.kf-gradient-card:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-3px);
}

.kf-gradient-swatch{
  height:160px;
  width:100%;
}

.kf-gradient-info{
  padding:1rem 1.25rem;
  background:var(--white);
}

.kf-gradient-code{
  font-family:'SF Mono',SFMono-Regular,Consolas,monospace;
  font-size:.75rem;
  color:var(--gray-600);
  background:var(--gray-50);
  padding:.5rem .75rem;
  border-radius:var(--radius-sm);
  display:block;
  word-break:break-all;
  line-height:1.5;
}

/* ─── FEATURED / HIGHLIGHT SECTION ─── */

.kf-highlight{
  background:var(--gray-50);
  border-radius:var(--radius-xl);
  padding:clamp(2rem,5vw,4rem);
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(2rem,4vw,4rem);
  align-items:center;
  margin-top:2.5rem;
}

.kf-highlight-visual{
  border-radius:var(--radius-lg);
  overflow:hidden;
  aspect-ratio:4/3;
  background:linear-gradient(135deg,var(--purple-mid),var(--cyan));
  box-shadow:var(--shadow-lg);
}

@media(max-width:768px){
  .kf-highlight{grid-template-columns:1fr}
}

/* ─── STATS ROW ─── */

.kf-stats{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:1.5rem;
  margin-top:3rem;
  padding-top:3rem;
  border-top:1px solid var(--gray-200);
}

.kf-stat-value{
  font-family:var(--font-heading);
  font-size:clamp(1.8rem,3vw,2.5rem);
  font-weight:700;
  color:var(--gray-900);
  letter-spacing:-.02em;
}

.kf-stat-label{
  font-size:.8125rem;
  color:var(--gray-500);
  margin-top:.25rem;
}

/* ─── CODE BLOCK ─── */

.kf-code-block{
  background:var(--gray-900);
  border-radius:var(--radius-md);
  padding:1.5rem;
  margin-top:1.5rem;
  overflow-x:auto;
}

.kf-code-block code{
  font-family:'SF Mono',SFMono-Regular,Consolas,monospace;
  font-size:.8125rem;
  line-height:1.7;
  color:var(--cyan-light);
  white-space:pre;
}

.kf-code-block .kf-code-comment{color:var(--gray-500)}
.kf-code-block .kf-code-prop{color:var(--orange-light)}
.kf-code-block .kf-code-val{color:#A5F3FC}

/* ─── FOOTER ─── */

.kf-footer{
  border-top:1px solid var(--gray-200);
  padding:clamp(2.5rem,5vw,4rem) clamp(1.25rem,4vw,3rem);
  background:var(--gray-50);
}

.kf-footer-inner{
  max-width:1200px;
  margin:0 auto;
  display:grid;
  grid-template-columns:2fr repeat(3,1fr);
  gap:2rem;
}

@media(max-width:768px){
  .kf-footer-inner{grid-template-columns:1fr 1fr;gap:2rem}
}

@media(max-width:480px){
  .kf-footer-inner{grid-template-columns:1fr}
}

.kf-footer-brand{
  font-family:var(--font-heading);
  font-weight:700;
  font-size:1.1rem;
  color:var(--gray-900);
  margin-bottom:.75rem;
  display:flex;align-items:center;gap:.5rem;
}

.kf-footer-brand .kf-logo-mark{width:28px;height:28px;font-size:.75rem}

.kf-footer-desc{
  font-size:.8125rem;
  color:var(--gray-500);
  line-height:1.6;
  max-width:280px;
}

.kf-footer-col-title{
  font-family:var(--font-heading);
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--gray-500);
  margin-bottom:1rem;
}

.kf-footer-links{display:flex;flex-direction:column;gap:.6rem}

.kf-footer-links a{
  font-size:.875rem;
  color:var(--gray-600);
  transition:color var(--transition);
}

.kf-footer-links a:hover{color:var(--purple-mid)}

.kf-footer-bottom{
  max-width:1200px;
  margin:2rem auto 0;
  padding-top:1.5rem;
  border-top:1px solid var(--gray-200);
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:1rem;
  font-size:.75rem;
  color:var(--gray-400);
}

/* ─── UTILITY ─── */

.kf-text-center{text-align:center}
.kf-mx-auto{margin-left:auto;margin-right:auto}
.kf-gap-section{margin-top:clamp(3rem,6vw,5rem)}

.kf-tag{
  display:inline-block;
  font-size:.6875rem;
  font-weight:600;
  letter-spacing:.04em;
  text-transform:uppercase;
  padding:.2rem .6rem;
  border-radius:4px;
  background:var(--purple-pale);
  color:var(--purple-mid);
}

/* ─── GRADIENT ANIMATION BG ─── */

@keyframes kf-gradient-shift{
  0%,100%{background-position:0% 50%}
  50%{background-position:100% 50%}
}

.kf-animated-bg{
  background-size:200% 200%;
  animation:kf-gradient-shift 8s ease infinite;
}

/* ─── TESTIMONIAL ─── */

.kf-testimonial{
  background:var(--white);
  border:1px solid var(--gray-200);
  border-radius:var(--radius-lg);
  padding:clamp(1.5rem,3vw,2.5rem);
  position:relative;
}

.kf-testimonial::before{
  content:'\201C';
  font-family:var(--font-heading);
  font-size:4rem;
  color:var(--purple-pale);
  position:absolute;
  top:.5rem;left:1.25rem;
  line-height:1;
}

.kf-testimonial-text{
  font-size:.9375rem;
  line-height:1.7;
  color:var(--gray-700);
  padding-top:1.5rem;
  font-style:italic;
}

.kf-testimonial-author{
  display:flex;align-items:center;gap:.75rem;
  margin-top:1.25rem;
}

.kf-testimonial-avatar{
  width:36px;height:36px;border-radius:50%;
  background:linear-gradient(135deg,var(--purple-light),var(--cyan));
}

.kf-testimonial-name{
  font-size:.8125rem;font-weight:600;color:var(--gray-900)
}

.kf-testimonial-role{
  font-size:.75rem;color:var(--gray-400)
}

/* ─── CTA BANNER ─── */

.kf-cta-banner{
  background:linear-gradient(135deg,var(--purple-deep),var(--purple-mid));
  border-radius:var(--radius-xl);
  padding:clamp(2.5rem,6vw,5rem);
  text-align:center;
  color:var(--white);
  position:relative;
  overflow:hidden;
}

.kf-cta-banner::before{
  content:'';position:absolute;
  top:-50%;right:-20%;width:400px;height:400px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(6,214,224,.2),transparent 70%);
  pointer-events:none;
}

.kf-cta-banner .kf-section-heading{color:var(--white)}
.kf-cta-banner .kf-lead{color:rgba(255,255,255,.7)}
.kf-cta-banner .kf-btn-secondary{
  background:var(--white);
  color:var(--purple-deep);
  border-color:transparent;
  font-weight:700;
}

.kf-cta-banner .kf-btn-secondary:hover{
  background:var(--gray-50);
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(0,0,0,.2);
}
/* universal guards (not a template) */
*{box-sizing:border-box}img,svg,video{max-width:100%;height:auto}h1,h2,h3,h4,p,li,a,span,blockquote{overflow-wrap:break-word;word-break:normal}html{-webkit-text-size-adjust:100%}body{margin:0}