/* Marketing Lead Manager, base stylesheet
   Apple-minimal: black/white/grays, system sans-serif, generous whitespace,
   subtle 200-300ms ease transitions. No gradients, no neon, no heavy shadows. */

:root {
  --black: #0a0a0a;
  --ink: #1d1d1f;
  --gray-900: #2c2c2e;
  --gray-700: #515154;
  --gray-500: #86868b;
  --gray-300: #d2d2d7;
  --gray-150: #e8e8ed;
  --gray-100: #f5f5f7;
  --white: #ffffff;
  --line: #e2e2e7;
  --radius: 12px;
  --radius-sm: 8px;
  --maxw: 1080px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.04);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
}

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

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

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, video { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; transition: color 0.2s var(--ease); }
a:hover { color: var(--gray-500); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { color: var(--black); letter-spacing: -0.02em; line-height: 1.1; font-weight: 600; }
h1 { font-size: clamp(2.4rem, 6vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h3 { font-size: 1.3rem; }
p { color: var(--gray-700); }
.lead { font-size: 1.25rem; color: var(--gray-700); max-width: 640px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem; font-weight: 600; color: var(--gray-500); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: 1.05rem; color: var(--black); letter-spacing: -0.02em; }
.brand .logo-img { width: 28px; height: 28px; border-radius: 7px; display: block; flex: none; }
.nav-links { display: flex; gap: 30px; align-items: center; list-style: none; }
.nav-links a { font-size: 0.95rem; color: var(--gray-700); }
.nav-links a:hover { color: var(--black); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; font-size: 1.5rem; color: var(--black); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 980px; font-size: 0.95rem; font-weight: 500;
  border: 1px solid transparent; cursor: pointer; transition: all 0.25s var(--ease);
}
.btn-primary { background: var(--black); color: var(--white); }
.btn-primary:hover { background: var(--gray-900); color: var(--white); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--black); border-color: var(--gray-300); }
.btn-ghost:hover { border-color: var(--black); color: var(--black); }

/* ---------- Sections ---------- */
section { padding: 88px 0; }
.section-tight { padding: 56px 0; }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }

/* ---------- Hero ---------- */
.hero { padding: 96px 0 64px; }
.hero h1 { margin-bottom: 20px; }
.hero .lead { margin-bottom: 32px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Media slots (image / video placeholders) ---------- */
.media-slot {
  width: 100%; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--gray-100); overflow: hidden; position: relative;
}
.media-slot.ratio-16x9 { aspect-ratio: 16 / 9; }
.media-slot.ratio-4x3 { aspect-ratio: 4 / 3; }
.media-slot.ratio-1x1 { aspect-ratio: 1 / 1; }
.media-slot .placeholder {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 6px;
  color: var(--gray-500); font-size: 0.85rem; text-align: center; padding: 16px;
}
.media-slot .placeholder svg { opacity: 0.4; }
.media-slot img, .media-slot video { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Feature grid ---------- */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card h3 { margin-bottom: 8px; }
.card p { font-size: 0.96rem; }
a.card { color: inherit; text-decoration: none; display: block; }
a.card:hover { color: inherit; }
.card .more { margin-top: 14px; font-size: 0.9rem; font-weight: 500; color: var(--black); }

/* Numbered steps (feature pages) */
.steps { counter-reset: step; display: grid; gap: 24px; margin-top: 24px; max-width: 760px; }
.step { padding-left: 56px; position: relative; }
.step::before {
  counter-increment: step; content: counter(step); position: absolute; left: 0; top: 0;
  width: 36px; height: 36px; border-radius: 50%; background: var(--black); color: var(--white);
  display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 0.95rem;
}
.step h3 { font-size: 1.1rem; margin-bottom: 4px; }
.step p { font-size: 0.96rem; }

/* FAQ (feature pages) */
.faq { margin-top: 24px; max-width: 760px; }
.faq-item { border-top: 1px solid var(--line); padding: 22px 0; }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item h3 { font-size: 1.05rem; margin-bottom: 6px; }
.faq-item p { font-size: 0.96rem; color: var(--gray-700); }

/* Checklist (feature/security pages) */
.checklist { list-style: none; display: grid; gap: 14px; max-width: 640px; margin: 24px 0 0; }
.checklist.center-list { margin-left: auto; margin-right: auto; }
.checklist li { padding-left: 30px; position: relative; color: var(--gray-700); }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px;
  border-radius: 50%; background: var(--gray-100);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 16 16'%3E%3Cpath fill='%230a0a0a' d='M6.5 10.6 4 8.1l-.9.9 3.4 3.4 6.4-6.4-.9-.9z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}

/* ---------- Split (text + media) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.reverse .split-media { order: -1; }
.split h2 { margin-bottom: 16px; }
.split ul { list-style: none; margin-top: 20px; display: grid; gap: 12px; }
.split li { padding-left: 28px; position: relative; color: var(--gray-700); }
.split li::before {
  content: ""; position: absolute; left: 0; top: 9px; width: 16px; height: 16px;
  border-radius: 50%; background: var(--gray-100);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%230a0a0a' d='M6.5 10.6 4 8.1l-.9.9 3.4 3.4 6.4-6.4-.9-.9z'/%3E%3C/svg%3E");
}

/* ---------- Trust / compliance band ---------- */
.band { background: var(--gray-100); border-radius: var(--radius); padding: 48px; }
.band-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; text-align: center; }
.band-grid .stat { font-size: 2rem; font-weight: 600; color: var(--black); letter-spacing: -0.02em; }
.band-grid .label { font-size: 0.9rem; color: var(--gray-500); }

/* Platform logos */
.platform-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; align-items: end; }
.platform { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; }
.platform .plogo { height: 44px; display: flex; align-items: center; justify-content: center; color: var(--black); }
.platform .plogo svg { height: 44px; width: auto; }
.platform .pname { font-weight: 600; color: var(--black); font-size: 1.05rem; }
.platform .psub { font-size: 0.9rem; color: var(--gray-500); }
@media (max-width: 600px) { .platform-grid { grid-template-columns: 1fr 1fr; gap: 28px; } }

/* ---------- CTA ---------- */
.cta-band { background: var(--black); border-radius: var(--radius); padding: 72px 48px; text-align: center; }
.cta-band h2 { color: var(--white); margin-bottom: 14px; }
.cta-band p { color: var(--gray-300); max-width: 560px; margin: 0 auto 28px; }
.cta-band .btn-primary { background: var(--white); color: var(--black); }
.cta-band .btn-primary:hover { background: var(--gray-150); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 56px 0 40px; background: var(--white); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
.footer-grid h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--gray-500); margin-bottom: 14px; font-weight: 600; }
.footer-grid ul { list-style: none; display: grid; gap: 10px; }
.footer-grid a { font-size: 0.92rem; color: var(--gray-700); }
.footer-grid a:hover { color: var(--black); }
.footer-grid p { font-size: 0.92rem; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: var(--gray-500); }

/* ---------- Legal / document pages ---------- */
.doc { padding: 64px 0; }
.doc .wrap { max-width: 760px; }
.doc h1 { font-size: clamp(2rem, 5vw, 2.8rem); margin-bottom: 8px; }
.doc .updated { color: var(--gray-500); font-size: 0.9rem; margin-bottom: 40px; }
.doc h2 { font-size: 1.5rem; margin: 40px 0 12px; }
.doc h3 { font-size: 1.15rem; margin: 28px 0 10px; }
.doc p, .doc li { color: var(--gray-700); margin-bottom: 14px; font-size: 1rem; }
.doc ul, .doc ol { margin: 0 0 14px 22px; }
.doc li { margin-bottom: 8px; }
.doc a { color: var(--black); text-decoration: underline; text-underline-offset: 3px; }
.doc .callout {
  border: 1px solid var(--line); background: var(--gray-100); border-radius: var(--radius);
  padding: 20px 24px; margin: 24px 0;
}
.doc .callout p:last-child { margin-bottom: 0; }
.doc table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 0.95rem; }
.doc th, .doc td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { color: var(--black); font-weight: 600; }
.toc { background: var(--gray-100); border-radius: var(--radius); padding: 24px 28px; margin-bottom: 40px; }
.toc h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--gray-500); margin-bottom: 12px; }
.toc ul { list-style: none; columns: 2; gap: 20px; }
.toc li { margin-bottom: 8px; }
.toc a { color: var(--gray-700); text-decoration: none; font-size: 0.92rem; }
.toc a:hover { color: var(--black); }

.placeholder-token { background: #fff6d6; border-bottom: 1px dashed #c9a227; padding: 0 2px; border-radius: 2px; }

/* ---------- Contact form ---------- */
.form { display: grid; gap: 18px; max-width: 520px; }
.form label { font-size: 0.9rem; font-weight: 500; color: var(--black); display: block; margin-bottom: 6px; }
.form input, .form textarea, .form select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--gray-300); border-radius: var(--radius-sm);
  font-family: inherit; font-size: 0.98rem; color: var(--ink); background: var(--white);
  transition: border-color 0.2s var(--ease);
}
.form input:focus, .form textarea:focus, .form select:focus { outline: none; border-color: var(--black); }
.form textarea { min-height: 130px; resize: vertical; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split.reverse .split-media { order: 0; }
  .band-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  section { padding: 64px 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .band-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .band { padding: 32px 24px; }
  .cta-band { padding: 48px 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .toc ul { columns: 1; }
  .nav-links {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--white); border-bottom: 1px solid var(--line); padding: 8px 0;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 14px 24px; }
  .nav-toggle { display: block; }
}