/* Project 1 — iOS-inspired design system */
:root{
  --ink:#0A0A0B;
  --ink-2:#1C1C1E;
  --ink-3:#3A3A3C;
  --muted:#6E6E73;
  --muted-2:#8E8E93;
  --line:#E5E5EA;
  --line-2:#D1D1D6;
  --surface:#FFFFFF;
  --surface-2:#F5F5F7;
  --surface-3:#FAFAFC;
  --brand:#7AC143;
  --brand-ink:#5EA02E;
  --brand-soft:#ECF8E0;
  --brand-glow:rgba(122,193,67,.22);
  --ring:rgba(10,10,11,.08);
  --shadow-sm:0 1px 2px rgba(0,0,0,.04), 0 1px 1px rgba(0,0,0,.03);
  --shadow-md:0 6px 24px rgba(0,0,0,.06), 0 2px 6px rgba(0,0,0,.04);
  --shadow-lg:0 24px 60px rgba(0,0,0,.10), 0 6px 16px rgba(0,0,0,.05);
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:22px;
  --radius-xl:28px;
  --maxw:1120px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.35s;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
}

@media (prefers-color-scheme: dark){
  :root{
    --ink:#F5F5F7;
    --ink-2:#E5E5EA;
    --ink-3:#C7C7CC;
    --muted:#98989D;
    --muted-2:#8E8E93;
    --line:#2C2C2E;
    --line-2:#3A3A3C;
    --surface:#0B0B0D;
    --surface-2:#141417;
    --surface-3:#18181C;
    --brand-soft:#1E2A14;
    --ring:rgba(255,255,255,.08);
    --shadow-sm:0 1px 2px rgba(0,0,0,.4);
    --shadow-md:0 6px 24px rgba(0,0,0,.5), 0 2px 6px rgba(0,0,0,.4);
    --shadow-lg:0 24px 60px rgba(0,0,0,.55), 0 6px 16px rgba(0,0,0,.35);
  }
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--surface);
  font-size:17px;
  line-height:1.55;
  letter-spacing:-0.011em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none;transition:color var(--dur) var(--ease),opacity var(--dur) var(--ease)}
a:hover{color:var(--brand-ink)}
p{margin:0 0 1em}
h1,h2,h3,h4,h5{margin:0 0 .5em;letter-spacing:-0.025em;font-weight:700;line-height:1.12;color:var(--ink)}
h1{font-size:clamp(2.2rem,5vw,3.75rem);letter-spacing:-0.035em;font-weight:800}
h2{font-size:clamp(1.75rem,3.2vw,2.4rem);letter-spacing:-0.03em}
h3{font-size:clamp(1.2rem,1.8vw,1.4rem)}
h4{font-size:1.05rem;letter-spacing:-0.015em}
small{color:var(--muted);font-size:.85rem}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:clamp(64px,9vw,112px) 0}
.section-sm{padding:clamp(40px,6vw,72px) 0}
.eyebrow{
  display:inline-block;
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--brand-ink);
  padding:6px 12px;
  border-radius:999px;
  background:var(--brand-soft);
  margin-bottom:14px;
}
.lead{font-size:clamp(1.05rem,1.3vw,1.2rem);color:var(--muted);max-width:62ch}

/* Skip link */
.skip{
  position:absolute;left:-999px;top:8px;z-index:1000;
  background:var(--ink);color:#fff;padding:10px 14px;border-radius:10px;font-weight:600;
}
.skip:focus{left:16px}

/* ================= Header ================= */
.site-header{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb, var(--surface) 78%, transparent);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--ring);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-0.02em}
.brand img{width:30px;height:30px;border-radius:7px;object-fit:contain;background:#fff}
.brand-text{font-size:1.02rem}
.brand-dot{color:var(--brand-ink)}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-links a{
  display:inline-flex;align-items:center;
  padding:8px 12px;border-radius:10px;
  color:var(--ink-3);font-size:.94rem;font-weight:500;
}
.nav-links a:hover{color:var(--ink);background:var(--surface-2)}
.nav-links a[aria-current="page"]{color:var(--ink);background:var(--surface-2)}
.nav-cta{display:flex;gap:8px;align-items:center}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--line);
  width:40px;height:40px;border-radius:12px;cursor:pointer;align-items:center;justify-content:center;
  color:var(--ink);
}
.nav-toggle:hover{background:var(--surface-2)}
.nav-toggle svg{width:20px;height:20px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:999px;
  font-weight:600;font-size:.95rem;letter-spacing:-.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),color var(--dur) var(--ease);
  white-space:nowrap;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--brand);color:#0A0A0B;box-shadow:0 8px 22px var(--brand-glow)}
.btn-primary:hover{background:var(--brand-ink);color:#fff}
.btn-dark{background:var(--ink);color:var(--surface)}
.btn-dark:hover{background:var(--ink-2)}
.btn-ghost{background:var(--surface-2);color:var(--ink)}
.btn-ghost:hover{background:var(--line)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-outline:hover{background:var(--surface-2)}
.btn-sm{padding:9px 14px;font-size:.88rem}
.btn-lg{padding:15px 26px;font-size:1rem}
.btn .arrow{transition:transform var(--dur) var(--ease)}
.btn:hover .arrow{transform:translateX(3px)}

/* ================= Hero ================= */
.hero{
  position:relative;
  padding:clamp(64px,10vw,128px) 0 clamp(48px,7vw,96px);
  overflow:hidden;
  background:
    radial-gradient(ellipse 60% 50% at 85% -10%, var(--brand-glow), transparent 60%),
    radial-gradient(ellipse 50% 40% at -10% 20%, rgba(10,10,11,.05), transparent 60%),
    linear-gradient(180deg, var(--surface) 0%, var(--surface-3) 100%);
}
.hero-grid{display:grid;grid-template-columns:1.25fr .9fr;gap:48px;align-items:center}
.hero h1 span.accent{
  background:linear-gradient(120deg,var(--brand) 0%,var(--brand-ink) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-meta{
  display:flex;gap:20px;flex-wrap:wrap;margin-top:32px;
  font-size:.88rem;color:var(--muted);
}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta svg{width:16px;height:16px;color:var(--brand-ink)}

.hero-card{
  position:relative;
  border-radius:var(--radius-xl);
  background:var(--surface);
  border:1px solid var(--ring);
  box-shadow:var(--shadow-lg);
  padding:32px;
  display:flex;flex-direction:column;gap:20px;
}
.hero-card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,.6),transparent 40%);
  mix-blend-mode:overlay;opacity:.5;
}
.hero-card h3{font-size:1.1rem;margin:0}
.hero-stat{
  display:flex;align-items:baseline;gap:8px;
}
.hero-stat .num{font-size:2rem;font-weight:800;letter-spacing:-.03em;color:var(--ink)}
.hero-stat .lbl{color:var(--muted);font-size:.9rem}
.hero-facts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:6px}
.fact{
  background:var(--surface-2);border-radius:var(--radius);padding:14px 16px;
  border:1px solid var(--line);
}
.fact .k{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px}
.fact .v{font-weight:700;font-size:.98rem;letter-spacing:-.015em}

/* ================= Sections / Cards ================= */
.section-head{max-width:720px;margin:0 auto clamp(32px,5vw,56px);text-align:center}
.section-head.align-left{text-align:left;margin-left:0}

.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--line-2)}
.card h3{margin:0 0 10px}
.card p{color:var(--muted);margin:0}
.card .ico{
  width:44px;height:44px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand-ink);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.card .ico svg{width:22px;height:22px}

.card-dark{
  background:var(--ink);color:var(--surface);border-color:var(--ink-2);
}
.card-dark h3,.card-dark p{color:var(--surface)}
.card-dark p{opacity:.75}
.card-dark .ico{background:rgba(122,193,67,.15);color:var(--brand)}

.feature{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;padding:20px 0;
  border-bottom:1px solid var(--line);
}
.feature:last-child{border-bottom:none}
.feature .num{
  width:36px;height:36px;border-radius:50%;
  background:var(--ink);color:var(--surface);
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;
}
.feature h4{margin:4px 0 6px;font-size:1.08rem}
.feature p{color:var(--muted);margin:0;font-size:.96rem}

/* ============== CTA band ============== */
.cta-band{
  background:linear-gradient(135deg,var(--ink) 0%,var(--ink-2) 100%);
  color:var(--surface);
  border-radius:var(--radius-xl);
  padding:clamp(32px,5vw,56px);
  display:grid;grid-template-columns:1.4fr auto;gap:28px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 40% 60% at 90% 20%, var(--brand-glow), transparent 60%);
}
.cta-band h2,.cta-band p{color:var(--surface);position:relative}
.cta-band p{opacity:.75;margin:8px 0 0;max-width:50ch}
.cta-band .actions{display:flex;gap:10px;flex-wrap:wrap;position:relative}

/* ============== Forms ============== */
.form{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:clamp(24px,3vw,40px);
  box-shadow:var(--shadow-sm);
}
.field{margin-bottom:18px}
.field label{
  display:block;font-size:.88rem;font-weight:600;color:var(--ink-2);margin-bottom:6px;letter-spacing:-.01em;
}
.field .hint{display:block;font-size:.82rem;color:var(--muted);margin-top:6px}
.input,.textarea,.select{
  width:100%;
  font:inherit;color:inherit;
  padding:12px 14px;
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:12px;
  outline:none;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease);
}
.input:focus,.textarea:focus,.select:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 4px var(--brand-glow);
  background:var(--surface);
}
.textarea{min-height:140px;resize:vertical}
.checkbox{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;color:var(--ink-2)}
.checkbox input{margin-top:3px;accent-color:var(--brand-ink)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-actions{margin-top:10px;display:flex;gap:10px;flex-wrap:wrap}
.form-note{
  font-size:.84rem;color:var(--muted);
  padding:14px 16px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line);
  margin-bottom:20px;
}

/* ============== Tables ============== */
.table{
  width:100%;border-collapse:separate;border-spacing:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  font-size:.94rem;
}
.table th,.table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.table th{background:var(--surface-2);font-weight:600;color:var(--ink-2);font-size:.85rem;letter-spacing:.02em}
.table tr:last-child td{border-bottom:none}
.table tr:hover td{background:var(--surface-3)}

/* ============== FAQ / Accordion ============== */
.qa{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--surface);
  margin-bottom:12px;
  overflow:hidden;
}
.qa summary{
  list-style:none;cursor:pointer;
  padding:18px 22px;display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-weight:600;letter-spacing:-.015em;
}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{
  content:"+";font-size:1.4rem;font-weight:400;color:var(--muted);transition:transform var(--dur) var(--ease);
}
.qa[open] summary::after{content:"−"}
.qa[open] summary{border-bottom:1px solid var(--line)}
.qa .qa-body{padding:18px 22px;color:var(--muted)}
.qa .qa-body p:last-child{margin-bottom:0}

/* ============== Breadcrumb ============== */
.breadcrumb{
  display:flex;gap:8px;align-items:center;flex-wrap:wrap;
  font-size:.85rem;color:var(--muted);margin-bottom:14px;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb .sep{opacity:.5}

/* ============== Page hero ============== */
.page-hero{
  padding:clamp(64px,8vw,104px) 0 clamp(40px,5vw,64px);
  background:
    radial-gradient(ellipse 50% 40% at 100% 0%, var(--brand-glow), transparent 60%),
    linear-gradient(180deg,var(--surface) 0%,var(--surface-3) 100%);
  border-bottom:1px solid var(--ring);
}
.page-hero h1{margin-bottom:14px}
.page-hero p{max-width:60ch}

/* ============== Prose ============== */
.prose{max-width:72ch;font-size:1.02rem;color:var(--ink-2)}
.prose h2{margin-top:2em;font-size:1.6rem}
.prose h3{margin-top:1.6em;font-size:1.2rem}
.prose ul,.prose ol{padding-left:1.1em;margin:0 0 1em}
.prose li{margin-bottom:.3em}
.prose a{color:var(--brand-ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover{color:var(--ink)}
.prose blockquote{
  margin:1.4em 0;padding:16px 20px;border-left:3px solid var(--brand);
  background:var(--surface-2);border-radius:0 var(--radius) var(--radius) 0;color:var(--ink-2);
}

/* ============== Footer ============== */
.site-footer{
  background:var(--surface-2);border-top:1px solid var(--line);
  padding:clamp(48px,6vw,72px) 0 28px;
  color:var(--ink-2);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;
  margin-bottom:40px;
}
.footer-grid h4{font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li{margin-bottom:8px}
.footer-grid a{color:var(--ink-2);font-size:.92rem}
.footer-grid a:hover{color:var(--brand-ink)}
.footer-brand p{color:var(--muted);font-size:.92rem;margin-top:12px;max-width:36ch}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:22px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;
  font-size:.84rem;color:var(--muted);
}
.footer-bottom .legal{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--ink)}

/* ============== Responsive ============== */
@media (max-width:960px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav-links,.nav-cta .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .site-header.open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;top:64px;left:0;right:0;
    background:var(--surface);border-bottom:1px solid var(--line);
    padding:14px 20px;box-shadow:var(--shadow-md);
  }
  .site-header.open .nav-links a{padding:12px 14px;border-radius:12px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .row{grid-template-columns:1fr}
  .hero-facts{grid-template-columns:1fr 1fr}
  .section{padding:64px 0}
}
@media (max-width:480px){
  body{font-size:16px}
  .container{padding:0 18px}
  .card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
}

/* ============== Motion preferences ============== */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* ============== Utilities ============== */
.text-center{text-align:center}
.mt-0{margin-top:0}
.mb-0{margin-bottom:0}
.mt-16{margin-top:16px}
.mt-24{margin-top:24px}
.mt-32{margin-top:32px}
.only-desktop{display:initial}
@media(max-width:720px){.only-desktop{display:none}}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.78rem;font-weight:600;color:var(--ink-2);
  background:var(--surface-2);border:1px solid var(--line);
  border-radius:999px;padding:5px 10px;
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--brand)}

.kbd{
  display:inline-block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.82rem;padding:2px 8px;background:var(--surface-2);
  border:1px solid var(--line);border-radius:6px;color:var(--ink-2);
}

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

/* ============== Toast (iOS-style) ============== */
.toast-wrap{
  position:fixed;left:0;right:0;bottom:24px;
  display:flex;justify-content:center;pointer-events:none;z-index:1000;
  padding:0 16px;
}
.toast{
  pointer-events:auto;
  display:flex;align-items:center;gap:12px;
  max-width:420px;width:100%;
  background:color-mix(in srgb, var(--ink) 92%, transparent);
  color:var(--surface);
  border:1px solid rgba(255,255,255,.08);
  border-radius:16px;
  padding:14px 18px;
  box-shadow:var(--shadow-lg);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  font-size:.95rem;letter-spacing:-.01em;
  transform:translateY(24px) scale(.96);opacity:0;
  transition:opacity .35s var(--ease),transform .35s var(--ease);
}
.toast.show{transform:translateY(0) scale(1);opacity:1}
.toast .t-ico{
  width:28px;height:28px;flex:0 0 auto;border-radius:50%;
  background:var(--brand);color:#0A0A0B;
  display:inline-flex;align-items:center;justify-content:center;
}
.toast .t-ico svg{width:16px;height:16px}
.toast .t-body{line-height:1.35}
.toast .t-title{font-weight:600;margin:0 0 2px}
.toast .t-msg{margin:0;color:rgba(255,255,255,.72);font-size:.85rem}

/* Inline success panel replacing a form */
.form-success{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px;border-radius:var(--radius);
  background:var(--brand-soft);border:1px solid rgba(122,193,67,.35);
  color:var(--ink);
  margin-bottom:20px;
}
.form-success .s-ico{
  width:36px;height:36px;flex:0 0 auto;border-radius:50%;
  background:var(--brand);color:#0A0A0B;
  display:inline-flex;align-items:center;justify-content:center;
}
.form-success h4{margin:0 0 4px;font-size:1rem}
.form-success p{margin:0;color:var(--ink-2);font-size:.92rem}