/* ============================================================
   Sanval Payments — sanval.dev
   Aesthetic: light engineering-grade fintech.
   Near-white base, warm-grey neutrals, graphite/dark accents.
   Fraunces (display serif) · Hanken Grotesk (body) · Space Mono (labels)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Hanken+Grotesk:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

:root {
  /* Light base with warm-grey neutrals — inverse of the matte-black theme */
  --navy-900: #f6f6f5;   /* page background — near-white */
  --navy-850: #efefee;   /* raised surfaces */
  --navy-800: #e9e9e8;   /* cards / panels */
  --navy-700: #e1e1df;   /* elevated panels */
  --line: rgba(0, 0, 0, 0.12);
  /* Accent is graphite/dark instead of light */
  --teal: #2a2a2d;       /* primary accent (dark) */
  --teal-bright: #141416;/* darkest accent */
  --gold: #6b6457;       /* warm-grey highlight */
  --green: #3a3a40;      /* "confirmed" accent — graphite */
  --ink: #131315;        /* main text — near-black */
  --muted: #55555b;      /* secondary text — mid grey */
  --muted-2: #87878d;    /* tertiary text — dim grey */
  --card: rgba(0, 0, 0, 0.035);
  --card-hi: rgba(0, 0, 0, 0.06);
  --radius: 18px;
  --maxw: 1140px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Hanken Grotesk', sans-serif;
  background: var(--navy-900);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

/* atmospheric background: layered radial glows + grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(60% 50% at 78% -5%, rgba(0, 0, 0, 0.05), transparent 60%),
    radial-gradient(50% 45% at 8% 8%, rgba(0, 0, 0, 0.03), transparent 60%),
    radial-gradient(80% 60% at 50% 110%, rgba(0, 0, 0, 0.035), transparent 55%);
  z-index: -2;
  pointer-events: none;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  z-index: -1;
  pointer-events: none;
  opacity: 0.35;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- typography ---------- */
.display {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.02em;
}
.mono {
  font-family: 'Space Mono', monospace;
  letter-spacing: 0.02em;
}
.eyebrow {
  font-family: 'Space Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal-bright);
}

/* ---------- nav ---------- */
header.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(246, 246, 245, 0.82);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 1.05rem; letter-spacing: -0.01em; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.brand b { color: var(--ink); }
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 0.94rem; transition: color .2s; }
.nav-links a:hover { color: var(--ink); }

.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: 'Hanken Grotesk', sans-serif;
  font-weight: 600; font-size: 0.95rem;
  padding: 12px 22px; border-radius: 12px;
  text-decoration: none; cursor: pointer; border: 0;
  transition: transform .15s ease, box-shadow .25s ease, background .2s;
}
.btn-primary {
  background: #383632;
  color: #f6f6f5; font-weight: 700;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.22);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(0, 0, 0, 0.30); }
.btn-nav-cta { background: var(--gold); color: #fff; }
.btn-nav-cta:hover { background: var(--gold); filter: brightness(1.08); }
.btn-ghost { background: var(--card); color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { background: var(--card-hi); transform: translateY(-2px); }

/* ---------- hero ---------- */
.hero { padding: 92px 0 70px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.5rem, 5.2vw, 4.2rem); margin: 20px 0 22px; }
.hero h1 em { font-style: italic; color: var(--gold); font-weight: 500; }
.hero p.lead { font-size: 1.18rem; color: var(--muted); max-width: 33ch; margin-bottom: 32px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.price-chip {
  display: inline-flex; align-items: baseline; gap: 8px;
  margin-left: 6px; color: var(--muted); font-size: 0.92rem;
}
.price-chip b { font-family: 'Fraunces', serif; font-size: 1.5rem; color: var(--ink); font-weight: 600; }

/* hero visual: floating card echoing the icon */
.hero-art { position: relative; height: 360px; display: flex; align-items: center; justify-content: center; }
.fcard {
  width: 300px; height: 188px; border-radius: 20px;
  background: linear-gradient(140deg, #414040, #232327);
  border: 1px solid rgba(0, 0, 0, 0.18);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255,255,255,0.08);
  padding: 24px; position: relative;
  transform: rotate(-7deg);
  animation: floaty 6s ease-in-out infinite;
}
@keyframes floaty { 0%,100% { transform: rotate(-7deg) translateY(0); } 50% { transform: rotate(-7deg) translateY(-12px); } }
.fcard .chip { width: 42px; height: 32px; border-radius: 7px; background: linear-gradient(135deg, #d8d4c8, #9a958a); }
.fcard .brandline { position: absolute; top: 22px; right: 24px; font-family: 'Space Mono', monospace; font-size: 0.7rem; letter-spacing: 0.2em; color: rgba(255,255,255,0.85); }
.fcard .num { position: absolute; bottom: 56px; left: 24px; font-family: 'Space Mono', monospace; letter-spacing: 0.15em; color: rgba(238,245,249,0.85); font-size: 1.02rem; }
.fcard .row { position: absolute; bottom: 22px; left: 24px; right: 24px; display: flex; justify-content: space-between; font-family: 'Space Mono', monospace; font-size: 0.66rem; color: rgba(255,255,255,0.6); letter-spacing: 0.12em; }
.verified-badge { /* dark disc, light check */
  position: absolute; bottom: 40px; right: -10px;
  width: 78px; height: 78px; border-radius: 50%;
  background: var(--gold); display: flex; align-items: center; justify-content: center;
  box-shadow: 0 18px 40px -12px rgba(0,0,0,0.3); border: 3px solid rgba(255,255,255,0.9);
  animation: pop 6s ease-in-out infinite;
}
@keyframes pop { 0%,100% { transform: translateY(0) scale(1);} 50% { transform: translateY(-8px) scale(1.04);} }
.verified-badge svg { width: 40px; height: 40px; }

/* ---------- bank strip ---------- */
.banks { padding: 38px 0 8px; }
.banks .label { text-align: center; color: var(--muted-2); font-size: 0.85rem; margin-bottom: 20px; }
.bank-chips { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.chip-bank {
  font-family: 'Space Mono', monospace; font-size: 0.86rem;
  padding: 9px 16px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--card); color: var(--muted);
  display: inline-flex; align-items: center; gap: 9px;
}
.chip-bank.v { color: var(--ink); border-color: rgba(0,0,0,0.28); }
.chip-bank .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted-2); }
.chip-bank.v .dot { background: var(--ink); box-shadow: 0 0 8px rgba(0,0,0,0.25); }

/* ---------- sections ---------- */
section.block { padding: 84px 0; }
.sec-head { max-width: 620px; margin-bottom: 52px; }
.sec-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); margin: 14px 0 14px; }
.sec-head p { color: var(--muted); font-size: 1.08rem; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feat {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: transform .2s, border-color .2s, background .2s;
}
.feat:hover { transform: translateY(-4px); border-color: rgba(0,0,0,0.20); background: var(--card-hi); }
.feat .ic { width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(135deg, rgba(0,0,0,0.08), rgba(0,0,0,0.02)); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.feat .ic svg { width: 24px; height: 24px; stroke: var(--teal-bright); }
.feat h3 { font-size: 1.18rem; margin-bottom: 8px; font-weight: 600; }
.feat p { color: var(--muted); font-size: 0.96rem; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: s; }
.step { position: relative; padding: 28px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); }
.step::before {
  counter-increment: s; content: counter(s, decimal-leading-zero);
  font-family: 'Fraunces', serif; font-size: 2.4rem; color: var(--teal); opacity: 0.55; display: block; margin-bottom: 10px;
}
.step h3 { font-size: 1.12rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 0.95rem; }

/* pricing */
.pricing { display: flex; justify-content: center; }
.price-card {
  width: 100%; max-width: 480px; background: linear-gradient(160deg, var(--navy-800), var(--navy-850));
  border: 1px solid rgba(0,0,0,0.14); border-radius: 24px; padding: 40px;
  box-shadow: 0 50px 90px -40px rgba(0,0,0,0.8); position: relative; overflow: hidden;
}
.price-card::before { content:""; position:absolute; top:-40%; right:-30%; width:60%; height:120%; background: radial-gradient(circle, rgba(0,0,0,0.05), transparent 70%); }
.price-card .tag { position: relative; }
.price-card .amt { font-family: 'Fraunces', serif; font-size: 3.6rem; font-weight: 600; line-height: 1; margin: 8px 0 4px; }
.price-card .amt span { font-size: 1.1rem; color: var(--muted); font-family: 'Hanken Grotesk'; }
.price-card ul { list-style: none; margin: 26px 0 30px; display: grid; gap: 13px; }
.price-card li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink); font-size: 0.98rem; }
.price-card li svg { flex: 0 0 20px; width: 20px; height: 20px; stroke: var(--green); margin-top: 2px; }
.price-card .btn { width: 100%; justify-content: center; }
.price-note { text-align: center; color: var(--muted-2); font-size: 0.85rem; margin-top: 14px; }

/* faq */
.faq { display: grid; gap: 14px; max-width: 820px; }
.qa { border: 1px solid var(--line); border-radius: 14px; background: var(--card); padding: 22px 24px; }
.qa h4 { font-size: 1.05rem; margin-bottom: 7px; display: flex; gap: 10px; align-items: center; }
.qa h4 .q { font-family: 'Space Mono', monospace; color: var(--teal); }
.qa p { color: var(--muted); font-size: 0.96rem; }

/* CTA band */
.cta-band { text-align: center; padding: 86px 0; }
.cta-band h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 14px; }
.cta-band p { color: var(--muted); margin-bottom: 28px; font-size: 1.1rem; }

/* footer */
footer { border-top: 1px solid var(--line); padding: 46px 0; color: var(--muted-2); font-size: 0.9rem; }
.foot-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; align-items: center; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--ink); }

/* reveal-on-load */
.reveal { opacity: 0; transform: translateY(18px); animation: rise .8s cubic-bezier(.2,.7,.2,1) forwards; }
@keyframes rise { to { opacity: 1; transform: none; } }
.d1 { animation-delay: .05s; } .d2 { animation-delay: .15s; } .d3 { animation-delay: .25s; }
.d4 { animation-delay: .35s; } .d5 { animation-delay: .45s; }

/* per-bank hero accent */
.bank-hero-tag { display:inline-flex; align-items:center; gap:10px; padding:8px 16px; border-radius:999px; background: rgba(0,0,0,0.05); border:1px solid rgba(0,0,0,0.18); color: var(--ink); font-family:'Space Mono',monospace; font-size:0.82rem; }

@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-art { height: 280px; order: -1; }
  .features, .steps { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hero { padding: 56px 0 40px; }
  section.block { padding: 60px 0; }
}

/* ---------- long-form pages (docs / legal) ---------- */
.page-hero { padding: 64px 0 8px; }
.page-hero .eyebrow { display:block; margin-bottom:14px; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 3rem); }
.page-hero p.sub { color: var(--muted); margin-top:12px; font-size:1.05rem; max-width:60ch; }
.prose { max-width: 760px; margin: 0 auto; padding: 30px 0 70px; }
.prose h2 { font-family:'Fraunces',serif; font-weight:600; font-size:1.55rem; margin:38px 0 12px; letter-spacing:-0.01em; }
.prose h3 { font-size:1.12rem; margin:24px 0 8px; font-weight:600; }
.prose p, .prose li { color: var(--muted); margin-bottom: 12px; }
.prose strong { color: var(--ink); }
.prose ul, .prose ol { padding-left: 22px; margin-bottom: 16px; }
.prose li { margin-bottom: 7px; }
.prose a { color: var(--teal-bright); text-decoration: none; }
.prose a:hover { text-decoration: underline; }
.prose code { font-family:'Space Mono',monospace; background:var(--card); padding:2px 7px; border-radius:6px; color:var(--ink); font-size:0.86em; border:1px solid var(--line); }
.prose .note { background:var(--card); border:1px solid var(--line); border-left:3px solid var(--gold); padding:14px 18px; border-radius:10px; margin:18px 0; color:var(--muted); }
.prose .note strong { color: var(--gold); }
.prose hr { border:0; border-top:1px solid var(--line); margin:30px 0; }
.prose .muted-small { color: var(--muted-2); font-size:0.88rem; }
a.chip-bank { text-decoration: none; transition: border-color .2s, color .2s, transform .15s; }
a.chip-bank:hover { color: var(--ink); border-color: rgba(0,0,0,0.35); transform: translateY(-2px); }