/* ==========================================================================
   AtomAds7 — main stylesheet
   ========================================================================== */

:root {
  --navy: #0b1220;
  --navy-2: #111a2e;
  --navy-3: #18233a;
  --ink: #0f172a;
  --text: #1e293b;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --accent: #ff6b1a;
  --accent-2: #ff8f4d;
  --accent-soft: #fff1e8;
  --blue: #2f6bff;
  --green: #16a34a;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.14);
  --container: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  color: var(--ink);
  line-height: 1.2;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 800; }
h3 { font-size: 1.25rem; font-weight: 700; }
p { margin: 0 0 1em; }

.container {
  width: min(var(--container), 100% - 2.5rem);
  margin-inline: auto;
}

.section { padding: 5rem 0; }
.section-soft { background: var(--bg-soft); }
.section-dark { background: var(--navy); color: #cbd5e1; }
.section-dark h2, .section-dark h3 { color: #fff; }

.section-head { max-width: 720px; margin-bottom: 3rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.lead { font-size: 1.15rem; color: var(--muted); }
.section-dark .lead { color: #94a3b8; }

/* Buttons ----------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  text-decoration: none !important;
  font-family: inherit;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 8px 20px rgba(255, 107, 26, 0.35); }
.btn-primary:hover { background: var(--accent-2); }
.btn-outline { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-outline:hover { border-color: var(--ink); }
.btn-ghost { border-color: rgba(255,255,255,0.35); color: #fff; background: transparent; }
.btn-ghost:hover { background: rgba(255,255,255,0.08); }
.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* Header ------------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 18, 32, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 2rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: #fff;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  text-decoration: none !important;
}
.logo-mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #ffb347);
  color: #fff;
  font-size: 1.1rem;
}
.logo span em { color: var(--accent); font-style: normal; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  white-space: nowrap;
  color: #cbd5e1;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none !important;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s;
}
.nav-links a:hover, .nav-links a.active { color: #fff; border-bottom-color: var(--accent); }
.nav-links .mobile-cta { display: none; }
.nav-cta { display: flex; gap: 0.75rem; }
.nav-cta .btn { padding: 0.6rem 1.15rem; font-size: 0.9rem; }

.nav-toggle {
  display: none;
  background: none; border: 0; cursor: pointer;
  width: 44px; height: 44px;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.nav-toggle span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: 0.2s; }

/* Hero -------------------------------------------------------------------- */
.hero {
  position: relative;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(255,107,26,0.35), transparent 60%),
              radial-gradient(800px 500px at 10% 110%, rgba(47,107,255,0.35), transparent 60%),
              var(--navy);
  color: #cbd5e1;
  padding: 6rem 0 5rem;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at center, #000 30%, transparent 80%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero h1 { color: #fff; margin-bottom: 1.25rem; }
.hero h1 em { color: var(--accent); font-style: normal; }
.hero .lead { color: #aab4c6; font-size: 1.2rem; max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin: 2rem 0 2.5rem; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 2.5rem; }
.hero-stats div strong { display: block; color: #fff; font-size: 1.7rem; font-weight: 800; }
.hero-stats div span { font-size: 0.85rem; color: #94a3b8; }

/* Ad mock in hero */
.ad-mock {
  position: relative;
  background: #fff;
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  padding: 1rem;
  color: var(--ink);
}
.ad-mock .browser-bar { display: flex; gap: 6px; margin-bottom: 0.9rem; }
.ad-mock .browser-bar i { width: 10px; height: 10px; border-radius: 50%; background: #e2e8f0; display: block; }
.ad-mock .browser-bar i:nth-child(1) { background: #fb7185; }
.ad-mock .browser-bar i:nth-child(2) { background: #fbbf24; }
.ad-mock .browser-bar i:nth-child(3) { background: #34d399; }
.ad-mock .slot {
  border: 2px dashed var(--accent);
  background: var(--accent-soft);
  border-radius: 8px;
  display: grid; place-items: center;
  font-size: 0.72rem; font-weight: 700; color: var(--accent);
  letter-spacing: 0.05em;
}
.ad-mock .slot-leader { height: 46px; margin-bottom: 0.8rem; }
.ad-mock .page-grid { display: grid; grid-template-columns: 1fr 120px; gap: 0.8rem; }
.ad-mock .content-lines div { height: 9px; border-radius: 4px; background: #e9edf3; margin-bottom: 8px; }
.ad-mock .content-lines div:nth-child(2) { width: 85%; }
.ad-mock .content-lines div:nth-child(4) { width: 70%; }
.ad-mock .content-lines div:nth-child(6) { width: 92%; }
.ad-mock .slot-rect { height: 100px; margin-top: 0.6rem; }
.ad-mock .slot-half { height: 220px; }
.ad-mock .badge-float {
  position: absolute; right: -14px; bottom: -14px;
  background: var(--navy); color: #fff;
  padding: 0.6rem 0.9rem; border-radius: 12px;
  font-size: 0.8rem; font-weight: 700;
  box-shadow: var(--shadow-lg);
}
.ad-mock .badge-float b { color: #4ade80; }

/* Logo strip -------------------------------------------------------------- */
.logo-strip { padding: 2rem 0; border-bottom: 1px solid var(--line); }
.logo-strip p { text-align: center; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); margin-bottom: 1.25rem; }
.logo-strip ul { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem 2.5rem; list-style: none; margin: 0; padding: 0; }
.logo-strip li { font-weight: 800; color: #94a3b8; font-size: 1.05rem; letter-spacing: 0.02em; }

/* Cards / grids ----------------------------------------------------------- */
.grid { display: grid; gap: 1.5rem; }
.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: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.card .icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1.4rem;
  margin-bottom: 1.1rem;
}
.card p { color: var(--muted); margin-bottom: 0; }

.section-dark .card { background: var(--navy-2); border-color: rgba(255,255,255,0.08); }
.section-dark .card p { color: #94a3b8; }

/* Ad format cards --------------------------------------------------------- */
.format-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex; flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}
.format-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.format-preview {
  height: 150px;
  display: grid; place-items: center;
  background: var(--bg-soft);
  border-radius: 10px;
  margin-bottom: 1rem;
}
.format-preview .box {
  border: 2px dashed var(--accent);
  background: var(--accent-soft);
  border-radius: 4px;
  display: grid; place-items: center;
  font-size: 0.65rem; font-weight: 700; color: var(--accent);
}
.format-card h3 { font-size: 1.05rem; margin-bottom: 0.2rem; }
.format-card .dim { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.85rem; color: var(--blue); font-weight: 700; margin-bottom: 0.5rem; }
.format-card p { font-size: 0.9rem; color: var(--muted); margin: 0; }
.format-card .tags { margin-top: auto; padding-top: 0.9rem; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag {
  display: inline-block; font-size: 0.7rem; font-weight: 700;
  padding: 0.2rem 0.55rem; border-radius: 999px;
  background: var(--bg-soft); color: var(--muted);
  border: 1px solid var(--line);
}
.tag.hot { background: var(--accent-soft); color: var(--accent); border-color: transparent; }

/* Split section ----------------------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
ul.checks { list-style: none; padding: 0; margin: 1.5rem 0; }
ul.checks li { position: relative; padding-left: 2rem; margin-bottom: 0.8rem; }
ul.checks li::before {
  content: "\2713";
  position: absolute; left: 0; top: 0.15em;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--green); color: #fff;
  font-size: 0.8rem; font-weight: 800;
  display: grid; place-items: center;
}

/* Audience panels (home) -------------------------------------------------- */
.audience-panel {
  border-radius: 20px;
  padding: 2.5rem;
  color: #fff;
  position: relative; overflow: hidden;
  min-height: 340px;
  display: flex; flex-direction: column;
}
.audience-panel h3 { color: #fff; font-size: 1.6rem; }
.audience-panel p { color: rgba(255,255,255,0.8); flex: 1; }
.audience-panel .btn { align-self: flex-start; position: relative; z-index: 1; }
.audience-publishers { background: linear-gradient(135deg, #1d3a8a, #2f6bff); }
.audience-advertisers { background: linear-gradient(135deg, #b83f00, var(--accent)); }
.audience-panel::after {
  content: ""; position: absolute; right: -60px; top: -60px;
  width: 240px; height: 240px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
}

/* Steps ------------------------------------------------------------------- */
.steps { counter-reset: step; }
.step { position: relative; padding-left: 4rem; }
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; left: 0; top: 0;
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--navy); color: #fff;
  font-weight: 800; display: grid; place-items: center;
}
.step p { color: var(--muted); }

/* Stats band -------------------------------------------------------------- */
.stats-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; text-align: center; }
.stats-band strong { display: block; font-size: 2.4rem; font-weight: 800; color: #fff; }
.stats-band span { color: #94a3b8; font-size: 0.9rem; }

/* Testimonials ------------------------------------------------------------ */
.quote { font-size: 1.05rem; color: var(--text); margin-bottom: 1.25rem; }
.quote-author { display: flex; align-items: center; gap: 0.8rem; }
.avatar { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--accent)); color: #fff; font-weight: 800; display: grid; place-items: center; font-size: 0.85rem; }
.quote-author small { display: block; color: var(--muted); }

/* Page hero (subpages) ---------------------------------------------------- */
.page-hero {
  background: radial-gradient(900px 400px at 90% -20%, rgba(255,107,26,0.3), transparent 60%), var(--navy);
  color: #cbd5e1;
  padding: 4.5rem 0 3.5rem;
}
.page-hero h1 { color: #fff; }
.page-hero .lead { color: #aab4c6; max-width: 680px; }
.page-hero .hero-actions { margin: 1.5rem 0 0; }

/* Tables ------------------------------------------------------------------ */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; min-width: 640px; }
th, td { padding: 0.9rem 1.1rem; text-align: left; border-bottom: 1px solid var(--line); }
th { background: var(--bg-soft); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
td.mono { font-family: ui-monospace, Menlo, Consolas, monospace; color: var(--blue); font-weight: 600; }

/* FAQ --------------------------------------------------------------------- */
.faq details { border: 1px solid var(--line); border-radius: 12px; padding: 1rem 1.25rem; margin-bottom: 0.75rem; background: #fff; }
.faq summary { cursor: pointer; font-weight: 700; color: var(--ink); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; color: var(--accent); font-weight: 400; }
.faq details[open] summary::after { content: "\2013"; }
.faq details p { margin: 0.75rem 0 0; color: var(--muted); }

/* Forms ------------------------------------------------------------------- */
.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 2.25rem;
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-size: 0.85rem; font-weight: 700; color: var(--ink); margin-bottom: 0.4rem; }
.field label span { color: var(--accent); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 0.8rem 0.95rem;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font: inherit;
  color: var(--text);
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(255,107,26,0.15);
}
.field textarea { min-height: 130px; resize: vertical; }
.field-check { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.85rem; color: var(--muted); margin-bottom: 1.25rem; }
.field-check input { margin-top: 0.25rem; }
.form-note { font-size: 0.8rem; color: var(--muted); margin-top: 1rem; margin-bottom: 0; }
.form-success {
  display: none;
  background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46;
  padding: 1rem 1.25rem; border-radius: 12px; margin-bottom: 1.25rem;
}
.form-success.show { display: block; }
.error-msg { color: #dc2626; font-size: 0.8rem; margin-top: 0.3rem; display: none; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #dc2626; }
.field.invalid .error-msg { display: block; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* Contact info -------------------------------------------------------------- */
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { display: flex; gap: 1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.contact-list li:last-child { border-bottom: 0; }
.contact-list .icon { flex: 0 0 44px; height: 44px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-size: 1.2rem; }
.contact-list strong { display: block; color: var(--ink); }
.contact-list span { color: var(--muted); font-size: 0.95rem; }

/* CTA band ---------------------------------------------------------------- */
.cta-band {
  background: linear-gradient(120deg, var(--accent), #ff9a3c);
  color: #fff;
  border-radius: 24px;
  padding: 3.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
}
.cta-band h2 { color: #fff; margin-bottom: 0.4rem; }
.cta-band p { color: rgba(255,255,255,0.9); margin: 0; }
.cta-band .btn-outline { background: #fff; color: var(--accent); border-color: #fff; }

/* Footer ------------------------------------------------------------------ */
.site-footer { background: var(--navy); color: #94a3b8; padding: 4rem 0 2rem; font-size: 0.92rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 2.5rem; }
.site-footer h4 { color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 0.55rem; }
.site-footer a { color: #cbd5e1; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer address { font-style: normal; line-height: 1.7; }
.site-footer .logo { margin-bottom: 1rem; }
.footer-bottom {
  margin-top: 3rem; padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
  font-size: 0.82rem; color: #64748b;
}
.footer-bottom ul { display: flex; gap: 1.25rem; }
.footer-bottom li { margin: 0; }

/* Legal pages ------------------------------------------------------------- */
.prose { max-width: 800px; }
.prose h2 { font-size: 1.4rem; margin-top: 2.2rem; }
.prose ul { color: var(--text); }

/* Responsive -------------------------------------------------------------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-grid, .split { grid-template-columns: 1fr; gap: 3rem; }
  .ad-mock { max-width: 520px; }

  /* Collapse navigation into hamburger menu */
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--navy);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: none;
    padding: 0.5rem 0 1rem;
  }
  .nav-links.open { display: flex; }
  .nav-links li { padding: 0 1.25rem; }
  .nav-links a { display: block; padding: 0.85rem 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav-links a.active { border-bottom-color: var(--accent); }
  .nav-links .mobile-cta { display: block; padding-top: 1rem; }
  .nav-links .mobile-cta a { display: inline-flex; border: 0; padding: 0.7rem 1.4rem; }
}

@media (max-width: 768px) {
  .section { padding: 3.5rem 0; }
  .hero { padding: 4rem 0 3.5rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; padding: 2.5rem 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; }
}