/* chargepk.com — premium interactive light theme */
:root {
  --green:  #00c853;
  --green2: #00e676;
  --teal:   #00bcd4;
  --dark:   #061a0d;
  --body:   #1a2e20;
  --muted:  #6b8572;
  --bg:     #ffffff;
  --bg2:    #f2fbf5;
  --border: rgba(0,200,83,0.15);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  cursor: none;
}
@media (hover: none) { body { cursor: auto; } }

/* ── Custom cursor ── */
#cursor {
  position: fixed; width: 10px; height: 10px;
  background: var(--green); border-radius: 50%;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%,-50%);
  transition: width .25s, height .25s, background .25s, opacity .25s;
  will-change: transform;
}
#cursor-ring {
  position: fixed; width: 38px; height: 38px;
  border: 1.5px solid rgba(0,200,83,.55);
  border-radius: 50%; pointer-events: none; z-index: 9998;
  transform: translate(-50%,-50%);
  transition: width .35s cubic-bezier(.22,1,.36,1),
              height .35s cubic-bezier(.22,1,.36,1),
              border-color .25s, opacity .25s;
  will-change: transform;
}
body:has(a:hover) #cursor,
body:has(button:hover) #cursor { width: 18px; height: 18px; }
body:has(a:hover) #cursor-ring,
body:has(button:hover) #cursor-ring { width: 56px; height: 56px; border-color: rgba(0,200,83,.3); }
body:has(.btn:hover) #cursor { background: var(--dark); }

.container { max-width: 1040px; margin: 0 auto; padding: 0 28px; }

/* ── Nav ── */
nav {
  position: sticky; top: 0; z-index: 200;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(0,0,0,.06);
  transition: box-shadow .3s;
}
nav.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.07); }
nav .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px; font-weight: 700; text-decoration: none;
  display: flex; align-items: center; gap: 10px; color: var(--dark);
}
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.brand .accent { color: var(--green); }
nav .links a {
  color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 600;
  margin-left: 28px; transition: color .2s; letter-spacing: -.01em;
}
nav .links a:hover { color: var(--dark); }
.nav-cta {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--dark); color: #fff !important;
  padding: 9px 20px; border-radius: 999px; font-size: 13px !important;
  font-weight: 700 !important; margin-left: 20px !important;
  transition: background .2s, transform .15s, box-shadow .2s !important;
  box-shadow: 0 2px 12px rgba(6,26,13,.2);
}
.nav-cta:hover { background: var(--green) !important; color: var(--dark) !important; transform: translateY(-2px) !important; box-shadow: 0 6px 20px rgba(0,200,83,.35) !important; }

/* ── Hero ── */
.hero {
  padding: 0;
  position: relative; overflow: hidden; min-height: 92vh;
  display: flex; align-items: center;
}
.hero .container { position: relative; z-index: 2; width: 100%; }
.hero-inner {
  display: flex; align-items: center; gap: 40px;
}
.hero-text { flex: 1; min-width: 0; }
.hero-visual {
  flex: 1.15; min-width: 0;
  display: flex; align-items: center; justify-content: center;
}
.hero-img {
  width: 100%; max-width: 100%; height: auto; display: block;
}

/* Radial bg */
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 80% 55% at 50% -5%, rgba(0,200,83,.13) 0%, transparent 65%),
    radial-gradient(ellipse 45% 35% at 85% 65%, rgba(0,188,212,.08) 0%, transparent 55%),
    radial-gradient(ellipse 35% 25% at 10% 75%, rgba(0,200,83,.06) 0%, transparent 55%);
}

/* Floating particles canvas */
#hero-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 1;
}

/* App icon with pulse rings */
.hero-icon-wrap {
  position: relative; display: inline-block; margin-bottom: 32px;
}
.hero-icon {
  width: 112px; height: 112px; border-radius: 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,.12), 0 0 0 1px rgba(0,0,0,.05);
  animation: float 5s ease-in-out infinite;
  position: relative; z-index: 2;
}
.pulse-ring {
  position: absolute; inset: -16px; border-radius: 44px;
  border: 2px solid rgba(0,200,83,.35);
  animation: pulse-ring 2.4s cubic-bezier(.4,0,.6,1) infinite;
  pointer-events: none;
}
.pulse-ring:nth-child(2) {
  inset: -32px; border-radius: 60px;
  border-color: rgba(0,200,83,.2);
  animation-delay: .8s;
}
.pulse-ring:nth-child(3) {
  inset: -50px; border-radius: 78px;
  border-color: rgba(0,200,83,.1);
  animation-delay: 1.6s;
}
@keyframes pulse-ring {
  0%   { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.18); }
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(0,200,83,.1); border: 1px solid rgba(0,200,83,.25);
  color: #008a3a; font-size: 13px; font-weight: 700;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 28px;
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green); animation: blink 2s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

.hero h1 {
  font-size: clamp(32px, 4vw, 54px); font-weight: 900;
  letter-spacing: -.04em; line-height: 1.08; margin-bottom: 20px;
  color: var(--dark);
}
.hero h1 .accent {
  background: linear-gradient(110deg, #00bcd4 10%, #00c853 45%, #00e676 72%, #00bcd4 90%);
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shimmer 3.5s linear infinite;
}
.hero p {
  font-size: 18px; color: var(--muted); max-width: 460px;
  margin: 0 0 36px; line-height: 1.7;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: nowrap; align-items: center; }
.hero-visual svg { width: 100%; height: auto; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 15px 32px; border-radius: 999px;
  font-weight: 700; font-size: 15px; text-decoration: none;
  transition: transform .15s, box-shadow .2s, background .2s;
  position: relative; overflow: hidden; letter-spacing: -.01em;
}
.btn-primary {
  background: var(--dark); color: #fff;
  box-shadow: 0 4px 20px rgba(6,26,13,.25);
}
.btn-primary:hover { background: #0a2d14; box-shadow: 0 8px 32px rgba(6,26,13,.35); transform: translateY(-3px); }
.btn-green {
  background: linear-gradient(135deg, #00c853, #00bcd4);
  color: var(--dark); font-weight: 800;
  box-shadow: 0 4px 20px rgba(0,200,83,.38);
}
.btn-green:hover { box-shadow: 0 10px 36px rgba(0,200,83,.5); transform: translateY(-3px); }
.btn-ghost {
  background: transparent; color: var(--body);
  border: 1.5px solid rgba(0,0,0,.12);
}
.btn-ghost:hover { border-color: var(--green); color: var(--dark); transform: translateY(-2px); }

/* Shine sweep on primary buttons */
.btn-primary::after, .btn-green::after {
  content: ""; position: absolute; top: 0; left: -80%;
  width: 50%; height: 100%; transform: skewX(-20deg);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.3), transparent);
  transition: left .6s ease;
}
.btn-primary:hover::after, .btn-green:hover::after { left: 140%; }

/* ── Marquee strip ── */
.marquee-strip {
  background: var(--dark); padding: 18px 0; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex; gap: 0; width: max-content;
  animation: marquee 28s linear infinite;
}
.marquee-strip:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 0 32px; white-space: nowrap;
  font-size: 13px; font-weight: 700; color: rgba(255,255,255,.55);
  letter-spacing: .06em; text-transform: uppercase;
}
.marquee-item .bolt { color: var(--green); font-size: 16px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ── Stats ── */
.stats-strip { background: var(--bg2); border-top: 1px solid rgba(0,0,0,.05); border-bottom: 1px solid rgba(0,0,0,.05); padding: 56px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); text-align: center; }
.stat-item { padding: 12px 24px; position: relative; }
.stat-item + .stat-item::before {
  content: ""; position: absolute; left: 0; top: 20%; bottom: 20%;
  width: 1px; background: rgba(0,0,0,.08);
}
.stat-num {
  font-size: 40px; font-weight: 900; letter-spacing: -.04em; line-height: 1;
  background: linear-gradient(135deg, #00c853, #00bcd4);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 8px; display: block;
}
.stat-label { font-size: 13px; color: var(--muted); font-weight: 600; }

/* ── Sections ── */
section { padding: 96px 0; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 800; letter-spacing: .12em;
  text-transform: uppercase; color: var(--green); margin-bottom: 14px;
}
.section-eyebrow::before { content: ""; display: block; width: 20px; height: 2px; background: var(--green); border-radius: 2px; }
h2 { font-size: clamp(28px, 4vw, 44px); font-weight: 900; letter-spacing: -.03em; line-height: 1.1; margin-bottom: 16px; color: var(--dark); }
.lede { color: var(--muted); font-size: 17px; max-width: 560px; margin-bottom: 52px; line-height: 1.7; }

/* ── 3D Tilt Cards ── */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px,1fr)); gap: 20px; }
.card {
  background: #fff; border: 1px solid rgba(0,0,0,.07);
  border-radius: 22px; padding: 32px;
  box-shadow: 0 2px 20px rgba(0,0,0,.055);
  position: relative; overflow: hidden;
  transform-style: preserve-3d;
  transition: box-shadow .3s, border-color .3s;
  will-change: transform;
}
.card-glow {
  position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(380px circle at var(--mx,50%) var(--my,50%),
              rgba(0,200,83,.1), transparent 55%);
  opacity: 0; transition: opacity .4s;
}
.card:hover .card-glow { opacity: 1; }
.card:hover { box-shadow: 0 20px 60px rgba(0,200,83,.16), 0 4px 16px rgba(0,0,0,.06); border-color: rgba(0,200,83,.3); }

.card-icon {
  width: 50px; height: 50px; border-radius: 15px;
  background: linear-gradient(135deg, rgba(0,200,83,.12), rgba(0,188,212,.12));
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 20px;
  border: 1px solid rgba(0,200,83,.15);
  transition: transform .3s;
}
.card:hover .card-icon { transform: scale(1.12) rotate(-4deg); }
.card h3 { font-size: 17px; font-weight: 800; margin-bottom: 10px; color: var(--dark); letter-spacing: -.02em; }
.card p { color: var(--muted); font-size: 14px; line-height: 1.75; }

/* ── Steps ── */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px,1fr)); gap: 20px; }
.step {
  background: #fff; border-radius: 22px; padding: 34px;
  border: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 2px 16px rgba(0,0,0,.04);
  transition: transform .35s cubic-bezier(.22,1,.36,1), box-shadow .35s, border-color .3s;
  position: relative; overflow: hidden;
}
.step::after {
  content: attr(data-num);
  position: absolute; right: -8px; bottom: -16px;
  font-size: 110px; font-weight: 900; line-height: 1;
  color: rgba(0,200,83,.05); letter-spacing: -.04em;
  pointer-events: none; user-select: none;
}
.step:hover { transform: translateY(-8px); box-shadow: 0 20px 50px rgba(0,200,83,.14), 0 4px 16px rgba(0,0,0,.06); border-color: rgba(0,200,83,.25); }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 13px;
  background: linear-gradient(135deg, #00c853, #00bcd4);
  color: #fff; font-weight: 900; font-size: 17px;
  margin-bottom: 20px; box-shadow: 0 6px 18px rgba(0,200,83,.38);
  transition: transform .3s, box-shadow .3s;
}
.step:hover .step-num { transform: scale(1.1) rotate(-6deg); box-shadow: 0 10px 28px rgba(0,200,83,.5); }
.step h3 { font-size: 18px; font-weight: 800; margin-bottom: 10px; color: var(--dark); letter-spacing: -.02em; }
.step p { color: var(--muted); font-size: 14px; line-height: 1.75; }

/* ── Screenshots ── */
.shots-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px,1fr)); gap: 24px; }
.shot { margin: 0; }
.shot img {
  width: 100%; height: auto; display: block; border-radius: 26px;
  box-shadow: 0 8px 32px rgba(0,0,0,.1), 0 0 0 1px rgba(0,0,0,.06);
  transition: transform .45s cubic-bezier(.22,1,.36,1), box-shadow .45s;
}
.shot:hover img { transform: translateY(-12px) scale(1.03) rotate(-1deg); box-shadow: 0 32px 64px rgba(0,0,0,.16), 0 0 0 1px rgba(0,200,83,.2), 0 0 40px rgba(0,200,83,.1); }
.shot figcaption { text-align: center; font-size: 13px; color: var(--muted); margin-top: 14px; font-weight: 600; }

/* ── CTA band ── */
.cta-band {
  background: var(--dark); border-radius: 28px; padding: 80px 48px;
  text-align: center; position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 90% at 50% 110%, rgba(0,200,83,.28), transparent 55%);
}
.cta-glow {
  position: absolute; width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,200,83,.18), transparent 70%);
  pointer-events: none; transform: translate(-50%,-50%);
  transition: opacity .3s; opacity: 0;
}
.cta-band:hover .cta-glow { opacity: 1; }
.cta-band h2 { color: #fff; position: relative; }
.cta-band .lede { color: rgba(255,255,255,.5); position: relative; margin: 0 auto 40px; max-width: 460px; }
.cta-band .hero-actions { position: relative; justify-content: center; }

/* ── Footer ── */
footer { border-top: 1px solid rgba(0,0,0,.06); padding: 40px 0; }
footer .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; }
footer p { color: var(--muted); font-size: 13px; }
footer a { color: var(--muted); text-decoration: none; transition: color .2s; }
footer a:hover { color: var(--green); }
footer .links a { margin-left: 20px; font-size: 13px; }

/* ── Legal ── */
.legal { padding: 72px 0; max-width: 720px; }
.legal h1 { font-size: 38px; font-weight: 900; letter-spacing: -.03em; margin-bottom: 8px; color: var(--dark); }
.legal .updated { color: var(--muted); font-size: 13px; margin-bottom: 40px; }
.legal h2 { font-size: 20px; margin: 36px 0 10px; color: var(--dark); letter-spacing: -.02em; }
.legal p, .legal li { color: var(--muted); font-size: 15px; margin-bottom: 14px; line-height: 1.8; }
.legal ul { padding-left: 24px; }
.legal a { color: var(--green); }

/* ── Animations ── */
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
@keyframes shimmer { to{background-position:-200% 0} }
@keyframes rise { from{opacity:0;transform:translateY(30px)} to{opacity:1;transform:none} }

.hero-badge    { animation: rise .7s cubic-bezier(.22,1,.36,1) .0s both; }
.hero-icon-wrap{ animation: rise .7s cubic-bezier(.22,1,.36,1) .06s both; }
.hero h1       { animation: rise .7s cubic-bezier(.22,1,.36,1) .14s both; }
.hero p        { animation: rise .7s cubic-bezier(.22,1,.36,1) .24s both; }
.hero-actions  { animation: rise .7s cubic-bezier(.22,1,.36,1) .32s both; }

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity .75s cubic-bezier(.22,1,.36,1), transform .75s cubic-bezier(.22,1,.36,1); }
.reveal.in { opacity: 1; transform: none; }

/* ── Hamburger ── */
.hamburger {
  display: none; background: none; border: none; cursor: none;
  width: 44px; height: 44px; padding: 10px; margin-right: -10px;
  flex-direction: column; justify-content: center; gap: 5px;
}
.hamburger span { display: block; height: 2px; width: 100%; border-radius: 2px; background: var(--dark); transition: transform .3s cubic-bezier(.4,0,.2,1), opacity .2s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 640px) {
  .hamburger { display: flex; }
  .nav-cta { display: none !important; }
  nav .links {
    position: fixed; top: 68px; left: 0; right: 0;
    background: rgba(255,255,255,.97); backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0,0,0,.07);
    display: flex; flex-direction: column; padding: 8px 0 16px;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform .28s cubic-bezier(.4,0,.2,1), opacity .22s;
  }
  nav .links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  nav .links a { margin: 0; padding: 14px 28px; font-size: 16px; border-left: 2px solid transparent; }
  nav .links a:hover { border-left-color: var(--green); background: rgba(0,200,83,.04); }
  .hero { min-height: auto; padding: 72px 0 52px; }
  .hero-inner { flex-direction: column-reverse; gap: 32px; }
  .hero-text { text-align: center; }
  .hero-visual { width: 100%; max-width: 260px; margin: 0 auto; }
  .hero-img { width: 260px; max-width: 100%; }
  .hero h1 { font-size: clamp(34px, 10vw, 52px); }
  .hero p { font-size: 16px; margin: 0 auto 28px; max-width: 360px; }
  .hero-actions { justify-content: center; flex-direction: column; align-items: center; gap: 10px; }
  .hero-actions .btn { width: 100%; max-width: 300px; justify-content: center; }
  .cta-band { padding: 52px 28px; border-radius: 20px; }
  .cta-band .hero-actions .btn { width: 100%; max-width: 280px; }
  .stat-item + .stat-item::before { display: none; }
  .shots-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .shot img { border-radius: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  *, .reveal, .hero-badge, .hero-icon-wrap, .hero h1, .hero p, .hero-actions, .pulse-ring {
    animation: none !important; transition: none !important; opacity: 1 !important; transform: none !important;
  }
  #cursor, #cursor-ring { display: none; }
  body { cursor: auto; }
}