/* ============================================================================
 * Adender.com — layout.css
 * Page chrome: sections, hero, page-hero, navbar, footer, grid helpers.
 * Content blocks (metrics, pillar, bento, marquee, process, testimonial,
 * verticals, CTA, reveal) live in blocks.css.
 * ==========================================================================*/

/* ============================================================================
 * Section
 * ==========================================================================*/

.ad-section {
  position: relative;
  padding-top: var(--ad-section-py);
  padding-bottom: var(--ad-section-py);
  isolation: isolate;
  /* Belt-and-suspenders: contain any absolutely-positioned decorations
     (glow blobs, grid backdrops) that could otherwise leak horizontally. */
  overflow-x: clip;
}
.ad-section--tight {
  padding-top: var(--ad-section-py-sm);
  padding-bottom: var(--ad-section-py-sm);
}
.ad-section--alt { background: var(--ad-bg-alt); }
.ad-section--paper { background: var(--ad-paper); }
.ad-section--dark {
  background: var(--ad-navy-900);
  color: var(--ad-inverse);
}
.ad-section--dark h1,
.ad-section--dark h2,
.ad-section--dark h3 { color: var(--ad-inverse); }
.ad-section--dark p,
.ad-section--dark .ad-lead { color: rgba(255,255,255,.78); }
.ad-section--dark a:not(.ad-btn) { color: var(--ad-inverse); }

/* Section header */
.ad-section__header {
  max-width: 820px;
  margin: 0 auto var(--ad-sp-9);
  text-align: center;
}
.ad-section__header--start {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}
.ad-section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ad-font-ui);
  font-size: var(--ad-fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ad-ls-caps);
  color: var(--ad-navy-700);
  margin: 0 0 var(--ad-sp-4);
}
.ad-section__eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ad-accent);
  display: inline-block;
}
.ad-section--dark .ad-section__eyebrow { color: rgba(255,255,255,.72); }
.ad-section--dark .ad-section__eyebrow::before { background: var(--ad-gold); }

.ad-section__title {
  font-family: var(--ad-font-display);
  font-size: clamp(30px, 3.6vw, 48px);
  line-height: 1.08;
  letter-spacing: var(--ad-ls-display);
  margin: 0 0 var(--ad-sp-5);
  color: inherit;
  text-wrap: balance;
  font-weight: 600;
}
.ad-section__lead {
  color: var(--ad-muted);
  font-size: var(--ad-fs-lg);
  line-height: 1.58;
  max-width: 680px;
  margin: 0 auto;
  text-wrap: pretty;
}
.ad-section__header--start .ad-section__lead { margin: 0; }
.ad-section--dark .ad-section__lead { color: rgba(255,255,255,.72); }

@media (max-width: 768px) {
  .ad-section__header { margin-bottom: var(--ad-sp-7); }
}
@media (max-width: 576px) {
  :root {
    --ad-section-py:    56px;
    --ad-section-py-sm: 40px;
  }
  .ad-section__title { font-size: clamp(24px, 7vw, 32px); }
  .ad-section__lead { font-size: 15.5px; }
  .ad-section__header { margin-bottom: var(--ad-sp-6); }
}

/* ============================================================================
 * Background decorations (grid, glow)
 * ==========================================================================*/

.ad-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(10,18,37,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10,18,37,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}
.ad-section--dark .ad-bg-grid {
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.05) 1px, transparent 1px);
}

.ad-bg-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}
.ad-bg-glow::before,
.ad-bg-glow::after {
  content: "";
  position: absolute;
  width: 560px; height: 560px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: .5;
}
.ad-bg-glow::before {
  top: -180px; left: -120px;
  background: radial-gradient(circle, rgba(41,87,230,.25), transparent 70%);
}
.ad-bg-glow::after {
  bottom: -220px; right: -140px;
  background: radial-gradient(circle, rgba(212,169,74,.18), transparent 70%);
}
.ad-section--dark .ad-bg-glow::before { background: radial-gradient(circle, rgba(41,87,230,.45), transparent 70%); }
.ad-section--dark .ad-bg-glow::after  { background: radial-gradient(circle, rgba(212,169,74,.28), transparent 70%); }

/* ============================================================================
 * Hero — split layout
 * ==========================================================================*/

.ad-hero {
  position: relative;
  padding: calc(var(--ad-nav-h) + 24px) 0 var(--ad-sp-10);
  overflow: hidden;
  isolation: isolate;
  background: var(--ad-white);
}
.ad-hero__inner {
  position: relative;
  z-index: 1;
}
.ad-hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--ad-sp-10);
  align-items: center;
}
.ad-hero__text { min-width: 0; }
.ad-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 10px;
  background: var(--ad-white);
  border: 1px solid var(--ad-line);
  color: var(--ad-navy-800);
  border-radius: var(--ad-radius-pill);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin-bottom: var(--ad-sp-6);
  box-shadow: var(--ad-shadow-xs);
}
.ad-hero__eyebrow__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ad-accent);
  box-shadow: 0 0 0 3px rgba(41,87,230,.22);
}
.ad-hero__title {
  font-family: var(--ad-font-display);
  font-size: clamp(40px, 5.4vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 600;
  margin: 0 0 var(--ad-sp-6);
  color: var(--ad-ink);
  text-wrap: balance;
}
.ad-hero__title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--ad-navy-800) 0%, var(--ad-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.ad-hero__lead {
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.55;
  color: var(--ad-muted);
  margin: 0 0 var(--ad-sp-7);
  max-width: 56ch;
  text-wrap: pretty;
}
.ad-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: var(--ad-sp-7);
}
.ad-hero__trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  color: var(--ad-subtle);
  font-size: 13px;
}
.ad-hero__trust__stars {
  color: var(--ad-gold);
  letter-spacing: 2px;
}
.ad-hero__trust strong {
  color: var(--ad-ink);
  font-weight: 600;
}

/* Hero visual (right column) */
.ad-hero__visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 560px;
  margin-left: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ad-hero__visual svg { width: 100%; height: 100%; display: block; }

/* Hero background */
.ad-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(41,87,230,.12), transparent 60%),
    radial-gradient(ellipse 50% 50% at 10% 80%, rgba(212,169,74,.10), transparent 55%),
    var(--ad-white);
  z-index: -2;
}

@media (max-width: 991.98px) {
  .ad-hero { padding: calc(var(--ad-nav-h) + 20px) 0 var(--ad-sp-9); }
  .ad-hero__grid { grid-template-columns: 1fr; gap: var(--ad-sp-7); }
  .ad-hero__visual { order: -1; max-width: 360px; margin: 0 auto; }
}
@media (max-width: 576px) {
  .ad-hero { padding: calc(var(--ad-nav-h) + 12px) 0 var(--ad-sp-8); }
  .ad-hero__title { font-size: clamp(30px, 8vw, 40px); line-height: 1.08; }
  .ad-hero__lead { font-size: 16px; }
  .ad-hero__eyebrow { font-size: 12px; padding: 5px 12px 5px 8px; }
  .ad-hero__actions .ad-btn { width: 100%; justify-content: center; }
  .ad-hero__visual { max-width: 260px; }
  .ad-pagehero { padding: calc(var(--ad-nav-h) + 14px) 0 var(--ad-sp-7); }
  .ad-pagehero__title { font-size: clamp(28px, 8vw, 38px); }
  .ad-pagehero__lead { font-size: 15.5px; }
}

/* ============================================================================
 * Page hero (interior pages)
 * ==========================================================================*/

.ad-pagehero {
  position: relative;
  padding: calc(var(--ad-nav-h) + 24px) 0 var(--ad-sp-8);
  text-align: left;
  isolation: isolate;
  overflow: hidden;
}
.ad-pagehero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, var(--ad-navy-50), transparent 60%),
    var(--ad-white);
  z-index: -2;
}
.ad-pagehero__inner { max-width: 820px; }
.ad-pagehero__eyebrow {
  display: inline-flex;
  align-items: center; gap: 8px;
  font-family: var(--ad-font-ui);
  font-size: var(--ad-fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ad-ls-caps);
  color: var(--ad-navy-700);
  margin: 0 0 var(--ad-sp-4);
}
.ad-pagehero__eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--ad-accent);
  border-radius: 50%;
}
.ad-pagehero__title {
  font-family: var(--ad-font-display);
  font-size: clamp(34px, 4.6vw, 64px);
  line-height: 1.05;
  letter-spacing: var(--ad-ls-display);
  font-weight: 600;
  color: var(--ad-ink);
  margin: 0 0 var(--ad-sp-5);
  text-wrap: balance;
}
.ad-pagehero__lead {
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.55;
  color: var(--ad-muted);
  max-width: 60ch;
  text-wrap: pretty;
  margin: 0;
}

/* ============================================================================
 * Navbar (premium, glass on scroll)
 * ==========================================================================*/

.ad-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .72);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition:
    background var(--ad-dur-base) var(--ad-ease-out),
    border-color var(--ad-dur-base) var(--ad-ease-out),
    box-shadow var(--ad-dur-base) var(--ad-ease-out);
}
.ad-nav.is-scrolled {
  background: rgba(255, 255, 255, .88);
  border-bottom-color: var(--ad-line);
  box-shadow: var(--ad-shadow-xs);
}
.ad-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--ad-nav-h);
  gap: 24px;
}
.ad-nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ad-ink);
  font-family: var(--ad-font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.ad-nav__brand:hover { color: var(--ad-ink); }
.ad-nav__brand-mark {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--ad-navy-800), var(--ad-navy-600));
  color: var(--ad-inverse);
  font-family: var(--ad-font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.04em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--ad-shadow-xs), inset 0 1px 0 rgba(255,255,255,.15);
}
.ad-nav__list {
  display: flex;
  gap: 2px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
.ad-nav__link {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  color: var(--ad-ink-2);
  font-size: 14.5px;
  font-weight: 500;
  border-radius: var(--ad-radius-pill);
  transition:
    background var(--ad-dur-fast) var(--ad-ease-out),
    color var(--ad-dur-fast) var(--ad-ease-out);
  text-decoration: none;
  letter-spacing: -0.005em;
}
.ad-nav__link:hover,
.ad-nav__link--active {
  background: var(--ad-navy-50);
  color: var(--ad-navy-800);
}
.ad-nav__actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.ad-nav__toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--ad-line);
  border-radius: var(--ad-radius-sm);
  padding: 8px 10px;
  color: var(--ad-ink);
  cursor: pointer;
}
.ad-nav__toggle:hover { background: var(--ad-off-white); }

.ad-lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ad-ink);
  border: 1px solid var(--ad-line);
  border-radius: var(--ad-radius-pill);
  text-decoration: none;
  letter-spacing: var(--ad-ls-wide);
  background: var(--ad-white);
  transition: all var(--ad-dur-fast) var(--ad-ease-out);
}
.ad-lang-switch:hover {
  background: var(--ad-navy-50);
  border-color: var(--ad-navy-200);
  color: var(--ad-navy-800);
}

@media (max-width: 991.98px) {
  .ad-nav__list { display: none; }
  .ad-nav__toggle { display: inline-flex; }
  .ad-nav__actions .ad-btn--primary { display: none; }
}
@media (max-width: 576px) {
  :root { --ad-nav-h: 60px; }
  .ad-nav__inner { gap: 12px; }
  .ad-nav__brand { font-size: 16px; }
  .ad-nav__brand-mark { width: 28px; height: 28px; font-size: 14px; }
  .ad-nav__actions { gap: 6px; }
  .ad-lang-switch { padding: 7px 10px; font-size: 12px; }
  .ad-nav__toggle { padding: 7px 9px; }
}

.ad-offcanvas {
  --bs-offcanvas-width: min(380px, 92vw);
  background: var(--ad-white);
  color: var(--ad-ink);
  border-left: 1px solid var(--ad-line);
  display: flex;
  flex-direction: column;
  height: 100dvh;
  max-height: 100dvh;
}
.ad-offcanvas .offcanvas-header {
  flex: 0 0 auto;
  padding: 16px 20px;
  border-bottom: 1px solid var(--ad-line);
  min-height: 60px;
}
.ad-offcanvas .offcanvas-title {
  font-family: var(--ad-font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--ad-ink);
}
.ad-offcanvas .offcanvas-body {
  flex: 1 1 auto;
  min-height: 0;
  padding: 12px 16px calc(24px + env(safe-area-inset-bottom, 0px));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  display: block;
}
.ad-offcanvas .ad-nav__link {
  display: block;
  padding: 14px 14px;
  border-radius: var(--ad-radius);
  font-size: 16px;
  font-weight: 500;
  color: var(--ad-ink);
  background: transparent;
  text-decoration: none;
  line-height: 1.3;
  transition: background var(--ad-dur-fast) var(--ad-ease-out),
              color var(--ad-dur-fast) var(--ad-ease-out);
}
.ad-offcanvas .ad-nav__link:hover,
.ad-offcanvas .ad-nav__link:focus-visible,
.ad-offcanvas .ad-nav__link--active {
  background: var(--ad-navy-50);
  color: var(--ad-navy-800);
}
.ad-offcanvas .ad-nav__link + .ad-nav__link {
  margin-top: 2px;
  border-top: 1px solid var(--ad-line);
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}
.ad-offcanvas .ad-btn {
  margin-top: 18px;
  width: 100%;
  justify-content: center;
}

/* ============================================================================
 * Footer (premium dark)
 * ==========================================================================*/

.ad-footer {
  background: var(--ad-navy-900);
  color: var(--ad-inverse);
  padding: var(--ad-sp-10) 0 var(--ad-sp-7);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.ad-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 20% 0%, rgba(41,87,230,.16), transparent 60%),
    radial-gradient(ellipse 50% 40% at 100% 80%, rgba(212,169,74,.08), transparent 60%);
  z-index: -1;
  pointer-events: none;
}
.ad-footer a {
  color: rgba(255,255,255,.70);
  display: block;
  padding: 5px 0;
  font-size: 14px;
  text-decoration: none;
  transition: color var(--ad-dur-fast) var(--ad-ease-out);
}
.ad-footer a:hover { color: var(--ad-inverse); }
.ad-footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ad-inverse);
  font-family: var(--ad-font-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.02em;
  text-decoration: none;
  padding: 0;
  margin-bottom: var(--ad-sp-4);
}
.ad-footer__brand-mark {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--ad-white);
  color: var(--ad-navy-800);
  display: inline-flex;
  align-items: center; justify-content: center;
  font-family: var(--ad-font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.04em;
}
.ad-footer__brand:hover { color: var(--ad-inverse); }
.ad-footer__heading {
  color: var(--ad-inverse);
  font-family: var(--ad-font-ui);
  font-size: 12.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ad-ls-caps);
  margin: 0 0 var(--ad-sp-4);
  opacity: 0.85;
}
.ad-footer__tagline {
  color: rgba(255,255,255,.68);
  font-size: 15px;
  line-height: 1.6;
  max-width: 340px;
  margin: 0 0 var(--ad-sp-6);
}
.ad-footer__newsletter-intro {
  color: rgba(255,255,255,.62);
  font-size: 13.5px;
  margin: 0 0 12px;
  line-height: 1.5;
}
.ad-footer__bottom {
  border-top: 1px solid rgba(255,255,255,.10);
  margin-top: var(--ad-sp-9);
  padding-top: var(--ad-sp-6);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  color: rgba(255,255,255,.55);
  font-size: 13px;
}
.ad-footer__socials {
  display: flex;
  gap: 10px;
}
.ad-footer__social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  padding: 0 !important;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.75);
  border: 1px solid rgba(255,255,255,.1);
  transition: all var(--ad-dur-fast) var(--ad-ease-out);
}
.ad-footer__social:hover {
  background: var(--ad-white);
  color: var(--ad-navy-800);
  border-color: var(--ad-white);
}
.ad-footer__social svg { width: 15px; height: 15px; }

@media (max-width: 576px) {
  .ad-footer { padding: var(--ad-sp-9) 0 var(--ad-sp-6); }
  .ad-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    text-align: left;
  }
  .ad-footer .row > [class*="col-"] { margin-bottom: var(--ad-sp-5); }
}

/* ============================================================================
 * Grid helpers
 * ==========================================================================*/

.ad-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.ad-grid--2 { grid-template-columns: repeat(2, 1fr); }
.ad-grid--3 { grid-template-columns: repeat(3, 1fr); }
.ad-grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 992px) {
  .ad-grid--3, .ad-grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
  .ad-grid--2, .ad-grid--3, .ad-grid--4 { grid-template-columns: 1fr; }
}