/* =================================================================
   CSOS / abdurrub.com — Shared Design System
   Hosted at: https://adscreativestrategy.com/css/system.css
   Used by both adscreativestrategy.com and abdurrub.com.

   Tokens
     Color    : white #ffffff, teal #008080, near-black #0d0f0e
     Display  : Changa One
     Body     : PT Serif
     Spacing  : 18px base, 1.65 line-height
================================================================= */

:root {
  --paper: #ffffff;
  --paper-2: #f3f8f8;
  --ink: #0d0f0e;
  --ink-soft: #2a2f2d;
  --muted: #5d6664;
  --rule: rgba(0, 122, 122, 0.18);
  --teal: #008080;
  --teal-deep: #004d4d;
  --teal-bright: #00a8a3;
  --white: #ffffff;
  --black: #0d0f0e;
}

* { box-sizing: border-box; min-width: 0; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PT Serif", Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--teal); text-decoration: underline; }
p { margin: 0 0 1.1em; }

/* ---------- Containers ---------- */
.wrap {
  width: min(1080px, calc(100vw - 48px));
  margin: 0 auto;
}
.narrow {
  width: min(720px, calc(100vw - 48px));
  margin: 0 auto;
}
.center { text-align: center; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(14px);
}
.nav-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  text-decoration: none;
  color: var(--ink-soft);
  font-family: "Changa One", "Impact", sans-serif;
  letter-spacing: 0.1em;
  font-size: 0.88rem;
  text-transform: uppercase;
}
.nav-links a:hover { color: var(--teal); }
.nav-links a.active { color: var(--teal); }

/* Force the primary CTA button to white text on teal regardless of nav-link rule above */
.nav-links a.nav-cta,
.nav-links a.nav-cta:hover,
.nav-links a.nav-cta:visited {
  color: var(--white) !important;
}

/* Dropdown submenu (Work → Product Marketing / Email & Lifecycle) */
.nav-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.nav-dropdown > a::after {
  content: " ▾";
  font-size: 0.7em;
  margin-left: 4px;
  color: inherit;
}
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  padding: 8px 0;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 8px;
  box-shadow: 0 22px 44px rgba(0, 77, 77, 0.18);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s;
  z-index: 30;
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu a {
  display: block;
  padding: 10px 18px;
  color: var(--ink) !important;
  font-family: "Changa One", "Impact", sans-serif;
  letter-spacing: 0.06em;
  font-size: 0.86rem;
  text-transform: none;
  text-decoration: none;
}
.dropdown-menu a:hover { background: var(--paper-2); color: var(--teal) !important; }
.brand {
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  color: var(--teal);
}
.brand strong {
  font-family: "Changa One", "Impact", sans-serif;
  letter-spacing: 0.16em;
  font-size: 1.05rem;
}
.brand span {
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 700;
}
.nav-cta {
  min-height: 44px;
  padding: 0 18px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--teal);
  color: var(--paper);
  text-decoration: none;
  font-family: "Changa One", "Impact", sans-serif;
  letter-spacing: 0.08em;
  font-size: 0.92rem;
}
.nav-cta:hover { background: var(--teal-deep); color: var(--paper); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  padding: 0 36px;
  border: 0;
  border-radius: 6px;
  background: var(--teal);
  color: var(--white);
  font-family: "Changa One", "Impact", sans-serif;
  letter-spacing: 0.08em;
  font-size: 1.1rem;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 14px 30px rgba(0, 77, 77, 0.22);
  transition: transform 0.12s ease, background 0.12s ease;
}
.btn:hover { background: var(--teal-deep); transform: translateY(-1px); }
.btn:disabled { opacity: 0.6; cursor: wait; }
.btn--block { width: 100%; }
.btn--ghost {
  background: transparent;
  color: var(--teal);
  border: 2px solid var(--teal);
  box-shadow: none;
}
.btn--ghost:hover { background: var(--teal); color: var(--white); }

/* ---------- Typography components ---------- */
.display {
  font-family: "Changa One", "Impact", sans-serif;
  font-weight: 400;
  letter-spacing: 0.005em;
  line-height: 1.04;
  margin: 0;
  color: var(--ink);
}
.display em {
  font-style: italic;
  color: var(--teal);
}
h1.display { font-size: clamp(2.4rem, 5.4vw, 3.8rem); }
h2.display { font-size: clamp(2rem, 4.4vw, 3.2rem); }
h3.display { font-size: clamp(1.4rem, 2.8vw, 1.9rem); }
.kicker {
  font-family: "Changa One", "Impact", sans-serif;
  letter-spacing: 0.12em;
  color: var(--teal);
  font-size: 0.95rem;
  margin: 0 0 14px;
  display: block;
}
.eyebrow {
  font-family: "Changa One", "Impact", sans-serif;
  letter-spacing: 0.18em;
  color: var(--teal);
  font-size: 0.78rem;
  text-transform: uppercase;
  margin: 0 0 16px;
  display: block;
}
.lede {
  font-size: 1.18rem;
  color: var(--ink-soft);
  max-width: 640px;
  margin: 22px 0 0;
}
.center .lede { margin-left: auto; margin-right: auto; }
.rule {
  width: 64px;
  height: 4px;
  background: var(--teal);
  border: 0;
  margin: 0 0 22px;
}
.rule.center { margin-left: auto; margin-right: auto; }

/* ---------- Sections ---------- */
section {
  padding: 96px 0;
  background: var(--paper);
}
section.alt { background: var(--paper-2); }
section.dark {
  background: var(--black);
  color: var(--white);
}
section.dark .display,
section.dark .kicker { color: var(--white); }
section.dark .display em { color: var(--teal-bright); }
section.dark .lede,
section.dark p { color: rgba(255, 255, 255, 0.84); }
section.dark .bullet-list li,
section.dark .bundle-list li { color: var(--white); }
section.dark .bullet-list li::before,
section.dark .bundle-list li::before { color: var(--teal-bright); }

/* ---------- Bullet lists ---------- */
.bullet-list {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: grid;
  gap: 18px;
  color: var(--ink);
  font-size: 1.06rem;
}
.bullet-list li {
  position: relative;
  padding-left: 26px;
  max-width: 680px;
}
.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
}
.bundle-list {
  list-style: none;
  padding: 0;
  margin: 0 0 30px;
  display: grid;
  gap: 12px;
}
.bundle-list li {
  padding-left: 28px;
  position: relative;
  color: var(--ink);
  font-size: 1.04rem;
}
.bundle-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--teal);
  font-weight: 700;
  font-family: "PT Serif", serif;
}
.fasc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 22px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.fasc-list li {
  padding-left: 30px;
  position: relative;
  font-size: 1.1rem;
  line-height: 1.62;
  color: var(--ink);
}
.fasc-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--teal);
  font-size: 1.05rem;
  line-height: 1.62;
}
.fasc-list li b {
  font-weight: 700;
  color: var(--teal-deep);
}
.page-tag {
  color: var(--muted);
  font-size: 0.92rem;
  font-style: italic;
  white-space: nowrap;
}

/* ---------- Cards ---------- */
.card {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 36px;
  box-shadow: 0 22px 44px rgba(0, 77, 77, 0.08);
}
.card .kicker { font-size: 0.85rem; }
.card .lede { font-size: 1.04rem; margin-top: 14px; }
.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

/* ---------- Form ---------- */
.form-box {
  max-width: 520px;
  margin: 36px auto 0;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 6px;
  box-shadow: 0 30px 60px rgba(0, 77, 77, 0.12);
}
.form-kicker {
  margin: 0 0 18px;
  color: var(--teal);
  font-family: "Changa One", "Impact", sans-serif;
  letter-spacing: 0.1em;
  font-size: 0.88rem;
  text-align: center;
}
.optin-form {
  display: grid;
  gap: 12px;
}
.optin-form label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}
.optin-form input {
  width: 100%;
  min-height: 56px;
  border: 1px solid rgba(0, 122, 122, 0.28);
  border-radius: 4px;
  padding: 0 16px;
  font: inherit;
  font-size: 1rem;
  color: var(--black);
  background: var(--white);
}
.optin-form input:focus {
  outline: 3px solid rgba(0, 128, 128, 0.16);
  border-color: var(--teal);
}
.privacy {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
  font-style: italic;
}
.form-status,
.download-link {
  display: none;
  margin: 14px 0 0;
  color: var(--teal);
  font-weight: 700;
  text-align: center;
}

/* ---------- Sticky CTA pill ---------- */
.sticky-cta {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  min-height: 52px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: var(--teal);
  color: var(--white);
  text-decoration: none;
  font-family: "Changa One", "Impact", sans-serif;
  letter-spacing: 0.08em;
  font-size: 0.92rem;
  text-transform: uppercase;
  box-shadow: 0 18px 40px rgba(0, 77, 77, 0.32);
}
.sticky-cta:hover { background: var(--teal-deep); color: var(--white); }

/* ---------- Footer ---------- */
footer {
  padding: 40px 0;
  border-top: 1px solid var(--rule);
  background: var(--paper-2);
  color: var(--muted);
  font-size: 0.95rem;
}
footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
footer a {
  color: var(--teal);
  text-decoration: none;
  font-weight: 700;
}

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .card-grid-2,
  .card-grid-3 { grid-template-columns: 1fr; gap: 22px; }
  section { padding: 72px 0; }
  .nav-links { gap: 18px; }
  .nav-links a:not(.nav-cta) { font-size: 0.82rem; }
}
@media (max-width: 768px) {
  /* Collapse the nav: hide secondary links, keep brand + primary CTA */
  .nav-links a:not(.nav-cta) { display: none; }
  .nav-links { gap: 0; }
  .brand span { display: none; }
  .brand-signature { font-size: 1.3rem !important; }
  .brand-photo { width: 32px !important; height: 32px !important; }
}
@media (max-width: 640px) {
  body { font-size: 17px; }
  .wrap,
  .narrow { width: min(100%, calc(100vw - 32px)); }
  .nav-inner { min-height: 60px; gap: 14px; }
  .nav-cta { min-height: 40px; padding: 0 14px; font-size: 0.8rem; }
  .btn { min-height: 56px; padding: 0 24px; font-size: 1rem; }
  .form-box { padding: 20px; }
  .sticky-cta { right: 12px; bottom: 12px; padding: 0 16px; font-size: 0.84rem; }
  footer .wrap { display: grid; }
  .hero-cta-row { flex-direction: column; align-items: stretch; }
  .hero-cta-row .btn { width: 100%; }
}