/* =========================================================
   VanaaCred — base.css
   Shared design system loaded on every page via base.html:
   variables, reset, layout helpers, buttons, navbar, footer,
   cards, scroll-reveal, and cross-page shared components
   (page-hero, two-col, cta-banner, faq, section-head, grid).
   Page-specific styles live in home.css / how_it_works.css /
   about.css / contact.css and load AFTER this file.
   ========================================================= */

/* =========================== Variables =========================== */
:root {
  /* Brand palette */
  --blue-900: #05264a;
  --blue-800: #0a3868;
  --blue-700: #0f4c8a;
  --blue-600: #1463b0;
  --blue-500: #1a7bd6;
  --blue-400: #4a9ce8;
  --blue-100: #e8f2fd;
  --blue-50:  #f4f9fe;

  --orange-700: #c85a10;
  --orange-600: #e06a14;
  --orange-500: #f5821f;
  --orange-400: #ff9a3d;
  --orange-100: #ffe9d6;
  --orange-50:  #fff5ec;

  --ink-900: #0b1a2b;
  --ink-700: #263a50;
  --ink-500: #44586f;
  --ink-300: #8296ac;
  --ink-100: #e4ecf3;

  --white: #ffffff;
  --bg-soft: #eef4fb;

  --success: #1c9d6c;
  --danger: #e0433b;

  /* Gradients */
  --grad-primary: linear-gradient(135deg, var(--blue-700) 0%, var(--blue-500) 55%, var(--blue-400) 100%);
  --grad-cta: linear-gradient(135deg, var(--orange-500) 0%, var(--orange-600) 100%);
  --grad-mesh: radial-gradient(circle at 15% 20%, rgba(26,123,214,0.22), transparent 45%),
               radial-gradient(circle at 85% 0%, rgba(245,130,31,0.20), transparent 42%),
               radial-gradient(circle at 50% 100%, rgba(15,76,138,0.14), transparent 50%);
  --grad-dark: linear-gradient(160deg, var(--blue-900) 0%, var(--blue-800) 45%, #103a63 100%);
  --grad-aurora-1: radial-gradient(circle, rgba(26,123,214,0.35), transparent 70%);
  --grad-aurora-2: radial-gradient(circle, rgba(245,130,31,0.28), transparent 70%);
  --grad-aurora-3: radial-gradient(circle, rgba(74,156,232,0.24), transparent 70%);

  /* Elevation */
  --shadow-sm: 0 2px 8px rgba(11,26,43,0.06);
  --shadow-md: 0 8px 24px rgba(11,26,43,0.08);
  --shadow-lg: 0 20px 48px rgba(11,26,43,0.12);
  --shadow-orange: 0 12px 28px rgba(245,130,31,0.28);
  --shadow-blue: 0 12px 28px rgba(15,76,138,0.22);

  /* Radius */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-pill: 999px;

  /* Type */
  --font-head: "Sora", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  /* Layout */
  --container: 1200px;
  --nav-h: 84px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* =========================== Reset =========================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: inherit; }
h1, h2, h3, h4, h5 { font-family: var(--font-head); color: var(--blue-900); line-height: 1.15; margin: 0; }
p { margin: 0; }
svg { display: block; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

:focus-visible {
  outline: 3px solid var(--orange-500);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Skip link for keyboard/screen-reader users */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--blue-900);
  color: var(--white);
  padding: 12px 20px;
  border-radius: var(--r-sm);
  z-index: 999;
}
.skip-link:focus { left: 16px; top: 16px; }

/* Hidden wrapper for the inline SVG icon-sprite <defs> in base.html
   (was inline style="position:absolute;width:0;height:0;overflow:hidden") */
.svg-sprite-defs { position: absolute; width: 0; height: 0; overflow: hidden; }

/* =========================== Layout helpers =========================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 108px 0; position: relative; }
.section--tight { padding: 72px 0; }
.section--soft { background: var(--bg-soft); }
.section--dark {
  background: var(--grad-dark);
  color: var(--white);
}
.section--dark h2, .section--dark h3, .section--dark h4 { color: var(--white); }
.section--dark .card p { color: rgba(255,255,255,0.7); }
.section--mesh { background-image: var(--grad-mesh); background-color: var(--white); }

.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-600);
  background: var(--blue-100);
  border: 1px solid rgba(15,76,138,0.14);
  padding: 8px 16px;
  border-radius: var(--r-pill);
}
.eyebrow.eyebrow--on-dark {
  color: var(--orange-400);
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.18);
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--orange-500); }

.section-head { max-width: 680px; margin-bottom: 56px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); margin-top: 16px; }
.section-head p { margin-top: 16px; font-size: 1.08rem; color: var(--ink-500); line-height: 1.65; }
.section--dark .section-head p { color: rgba(255,255,255,0.75); }

.text-center { text-align: center; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; }

/* Shared heading/paragraph size-clamp utilities (previously repeated as
   identical inline styles across home.html and about.html) */
.h2--clamp-lg { font-size: clamp(1.8rem, 3vw, 2.4rem); }
.lead-ink { color: var(--ink-500); line-height: 1.7; }

/* Stagger-delay utility classes for [data-reveal] children — sets the same
   --d custom property that used to be set inline per element (style="--d:0ms"
   etc.), reused across home.html, about.html and how_it_works.html cards. */
.stagger-0 { --d: 0ms; }
.stagger-1 { --d: 80ms; }
.stagger-2 { --d: 160ms; }
.stagger-3 { --d: 240ms; }

/* =========================== Buttons =========================== */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.98rem;
  border-radius: var(--r-pill);
  border: none;
  overflow: hidden;
  isolation: isolate;
  cursor: pointer;
  transition: transform 0.32s var(--ease), box-shadow 0.32s var(--ease), background 0.32s var(--ease), color 0.32s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(0.99); }

.btn--primary {
  background: var(--grad-cta);
  color: var(--white);
  box-shadow: var(--shadow-orange);
}
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 18px 34px rgba(245,130,31,0.36); }

.btn--outline {
  background: rgba(255,255,255,0.6);
  color: var(--blue-800);
  border: 1.5px solid var(--blue-200, #cfe2f7);
  box-shadow: var(--shadow-sm);
}
.btn--outline:hover { transform: translateY(-3px); border-color: var(--blue-500); box-shadow: var(--shadow-md); }

.btn--ghost-light {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.35);
  backdrop-filter: blur(6px);
}
.btn--ghost-light:hover { background: rgba(255,255,255,0.18); transform: translateY(-3px); }

.btn--sm { padding: 11px 22px; font-size: 0.9rem; }
.btn--block { width: 100%; }
.btn--icon-right svg { transition: transform 0.3s var(--ease); }
.btn:hover .btn--icon-right svg,
.btn:hover svg.arrow { transform: translateX(4px); }

/* Ripple (injected by main.js on click) */
.ripple-el { position: absolute; border-radius: 50%; background: rgba(255,255,255,0.55); transform: scale(0); animation: ripple 0.65s ease-out; pointer-events: none; z-index: 2; }
.btn--outline .ripple-el { background: rgba(15,76,138,0.18); }
@keyframes ripple { to { transform: scale(2.6); opacity: 0; } }

/* =========================== Navbar =========================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease), height 0.35s var(--ease), backdrop-filter 0.35s var(--ease), border-color 0.35s var(--ease);
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid rgba(11,26,43,0.07);
}
.nav.is-scrolled {
  height: 72px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(18px) saturate(160%);
  box-shadow: 0 6px 24px rgba(11,26,43,0.1);
  border-bottom-color: transparent;
}
.nav__inner { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: flex; align-items: center; }
.brand-wordmark {
  font-family: 'Poppins', sans-serif;
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #ff5a00;
  text-transform: uppercase;
}
/* Poppins has no Greek glyphs, so the Lambda ("A" stand-ins in the wordmark)
   fall back to a different font that renders visibly lighter than real
   Poppins at the same font-weight — toning the real Latin letters down to
   600 matches their rendered weight to the Lambdas' (same fix as the
   sign-in page's brand mark, kept consistent here). */
.brand-wordmark .brand-glyph-latin { font-weight: 600; }

.nav__links { display: flex; align-items: center; gap: 6px; }
.nav__links a {
  padding: 10px 16px;
  border-radius: var(--r-pill);
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--ink-700);
  position: relative;
  transition: color 0.25s, background 0.25s;
}
.nav__links a:hover { color: var(--blue-700); background: var(--blue-50); }
.nav__links a.is-active { color: var(--blue-700); background: var(--blue-100); }

.nav__cta { display: flex; align-items: center; gap: 12px; }
.nav__cta a.login-link { font-weight: 700; color: var(--blue-800); padding: 10px 14px; }

.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: var(--r-sm);
  border: 1px solid var(--ink-100);
  background: var(--white);
  align-items: center; justify-content: center;
  flex-direction: column; gap: 5px;
}
.nav__toggle span { width: 20px; height: 2px; background: var(--blue-900); border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.3s; }
.nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__mobile {
  position: fixed; top: var(--nav-h); right: 0; left: 0;
  max-height: calc(100vh - var(--nav-h));
  background: var(--white);
  opacity: 1;
  z-index: 480;
  padding: 24px;
  display: flex; flex-direction: column; gap: 6px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 0 0 var(--r-lg) var(--r-lg);
  box-shadow: var(--shadow-lg);
  transform: translateY(-16px);
  visibility: hidden;
  /* Only transform/visibility animate — background stays fully opaque at
     every point in the transition, so page content never bleeds through. */
  transition: transform 0.3s var(--ease), visibility 0s 0.3s;
}
.nav__mobile.is-open { transform: translateY(0); visibility: visible; transition: transform 0.3s var(--ease); }
.nav__mobile a { padding: 16px 8px; border-bottom: 1px solid var(--ink-100); font-weight: 700; font-size: 1.05rem; color: var(--ink-900); flex-shrink: 0; }
.nav__mobile .btn { margin-top: 16px; flex-shrink: 0; }

/* =========================== Cards =========================== */
.card {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--ink-100);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg), 0 0 0 1px rgba(245,130,31,0.08); border-color: rgba(245,130,31,0.3); }

.glass {
  background: rgba(255,255,255,0.62);
  border: 1px solid rgba(255,255,255,0.55);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
}
.section--dark .glass { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.14); }

/* Padding modifiers for .card.glass — previously inline style="padding:24px"
   (how_it_works.html AI callout cards) and style="padding:36px" (about.html
   intro card). */
.card--pad-24 { padding: 24px; }
.card--pad-36 { padding: 36px; }

.icon-tile {
  width: 56px; height: 56px;
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--blue-100);
  color: var(--blue-700);
  margin-bottom: 20px;
  transition: transform 0.45s var(--ease), color 0.45s var(--ease);
}
/* Gradients can't cross-fade via a plain `background` transition (it snaps
   instead of animating), so the orange gradient lives on a separate layer
   whose opacity fades in smoothly on hover. */
.icon-tile::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--grad-cta);
  opacity: 0;
  transition: opacity 0.45s var(--ease);
  z-index: 0;
}
.icon-tile svg { position: relative; z-index: 1; width: 26px; height: 26px; }
.card:hover .icon-tile { color: var(--white); transform: rotate(-6deg) scale(1.06); }
.card:hover .icon-tile::before { opacity: 1; }

.icon-tile--orange { background: var(--orange-100); color: var(--orange-600); }

/* Small icon-tile modifier — previously inline style="font-size:1rem" /
   style="font-size:0.9rem" pairs on the how_it_works.html AI callout cards */
.card--pad-24 h3 { font-size: 1rem; }
.card--pad-24 p { font-size: 0.9rem; }

.card h3 { font-size: 1.18rem; margin-bottom: 10px; }
.card p { color: var(--ink-500); line-height: 1.65; font-size: 0.98rem; }

/* =========================== Scroll reveal =========================== */
[data-reveal] { opacity: 0; transform: translateY(28px); filter: blur(6px); transition: opacity 0.75s var(--ease), transform 0.75s var(--ease), filter 0.75s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); filter: blur(0); }
[data-reveal="fade"] { transform: none; }
[data-reveal="left"] { transform: translateX(-32px); }
[data-reveal="left"].is-visible { transform: translateX(0); }
[data-reveal="right"] { transform: translateX(32px); }
[data-reveal="right"].is-visible { transform: translateX(0); }
[data-reveal="scale"] { transform: scale(0.92); }
[data-reveal="scale"].is-visible { transform: scale(1); }

/* stagger via inline --d custom property */
[data-reveal] { transition-delay: var(--d, 0ms); }

/* Icon pop-in whenever a card/section becomes visible */
[data-reveal].is-visible .icon-tile { animation: icon-pop 0.6s var(--ease) both; animation-delay: calc(var(--d, 0ms) + 120ms); }
@keyframes icon-pop {
  from { transform: scale(0.55) rotate(-10deg); opacity: 0; }
  to { transform: scale(1) rotate(0deg); opacity: 1; }
}

/* =========================== Page header (sub-pages) =========================== */
/* Shared by how_it_works.html, about.html, contact.html */
.page-hero {
  padding: calc(var(--nav-h) + 64px) 0 88px;
  background: var(--grad-dark);
  position: relative;
  overflow: hidden;
  color: var(--white);
}
.page-hero::before {
  content: ""; position: absolute; inset: -10%;
  background: radial-gradient(circle at 90% 10%, rgba(245,130,31,0.26), transparent 40%),
              radial-gradient(circle at 5% 90%, rgba(74,156,232,0.22), transparent 45%);
  background-size: 140% 140%;
  animation: page-hero-drift 18s ease-in-out infinite;
}
@keyframes page-hero-drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-3%, 3%) scale(1.05); }
}
.page-hero__inner { position: relative; z-index: 1; max-width: 720px; }
.page-hero h1 { color: var(--white); font-size: clamp(2.1rem, 4vw, 3rem); }
.page-hero p { margin-top: 18px; font-size: 1.1rem; color: rgba(255,255,255,0.78); line-height: 1.7; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: rgba(255,255,255,0.72); margin-bottom: 20px; font-weight: 600; }
.breadcrumb a:hover { color: var(--orange-400); }

/* =========================== CTA banner =========================== */
/* Shared by home.html, how_it_works.html, about.html */
.cta-banner {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--grad-primary);
  padding: 64px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  box-shadow: var(--shadow-lg);
}
.cta-banner::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 85% 20%, rgba(245,130,31,0.35), transparent 45%);
}
.cta-banner__copy { position: relative; z-index: 1; }
.cta-banner h2 { color: var(--white); font-size: clamp(1.6rem, 2.6vw, 2.2rem); }
.cta-banner p { color: rgba(255,255,255,0.82); margin-top: 12px; font-size: 1.02rem; max-width: 480px; }
.cta-banner__actions { position: relative; z-index: 1; display: flex; gap: 14px; flex-shrink: 0; flex-wrap: wrap; }

/* =========================== FAQ =========================== */
/* Shared by home.html and contact.html */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  border: 1px solid var(--ink-100);
  border-radius: var(--r-md);
  background: var(--white);
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.faq-item.is-open { border-color: var(--blue-200, #cfe2f7); box-shadow: var(--shadow-sm); }
.faq-item__q {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 20px 24px;
  width: 100%; background: none; border: none; text-align: left;
  font-family: var(--font-head); font-weight: 700; font-size: 1.02rem; color: var(--blue-900);
}
.faq-item__q .plus { flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--blue-100); color: var(--blue-700); display: flex; align-items: center; justify-content: center; transition: transform 0.35s var(--ease), background 0.35s, color 0.35s; }
.faq-item.is-open .faq-item__q .plus { background: var(--grad-cta); color: var(--white); transform: rotate(135deg); }
.faq-item__a { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease); }
.faq-item__a-inner { padding: 0 24px 22px; color: var(--ink-500); line-height: 1.7; font-size: 0.97rem; }

/* =========================== Footer =========================== */
.footer { background: var(--blue-900); color: rgba(255,255,255,0.72); padding: 72px 0 0; }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 52px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer__brand p { margin-top: 16px; font-size: 0.92rem; line-height: 1.7; max-width: 300px; color: rgba(255,255,255,0.72); }
.footer__social { display: flex; gap: 10px; margin-top: 22px; }
.footer__social a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.3s, transform 0.3s;
}
.footer__social a:hover { background: var(--orange-500); transform: translateY(-3px); }
.footer__social svg { width: 16px; height: 16px; color: white; }
.footer h5 { color: var(--white); font-size: 0.95rem; margin-bottom: 20px; letter-spacing: 0.02em; }
.footer ul li { margin-bottom: 12px; }
.footer ul a { font-size: 0.92rem; transition: color 0.25s, padding-left 0.25s; }
.footer ul a:hover { color: var(--orange-400); padding-left: 4px; }
.footer__bottom { display: flex; align-items: center; justify-content: space-between; padding: 26px 0; font-size: 0.85rem; flex-wrap: wrap; gap: 12px; }
.footer__bottom a { color: rgba(255,255,255,0.72); }
.footer__bottom a:hover { color: var(--orange-400); }
.footer__legal { display: flex; gap: 20px; flex-wrap: wrap; }

/* =========================== Back to top =========================== */
.to-top {
  position: fixed; bottom: 28px; right: 28px; z-index: 400;
  width: 50px; height: 50px; border-radius: 50%;
  background: var(--grad-cta); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-orange); border: none;
  opacity: 0; transform: translateY(16px) scale(0.8); pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.to-top.is-visible { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.to-top:hover { transform: translateY(-4px) scale(1.05); }
/* Was inline style="transform:rotate(-90deg)" on the arrow icon inside */
.to-top__icon { transform: rotate(-90deg); }

/* =========================== Page load transition =========================== */
body.is-loading::before {
  content: ""; position: fixed; inset: 0; background: var(--white); z-index: 9999;
}
.page-loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--white); display: flex; align-items: center; justify-content: center;
  transition: opacity 0.5s var(--ease), visibility 0.5s;
}
.page-loader.is-hidden { opacity: 0; visibility: hidden; }
.page-loader .loader-mark {
  width: 54px; height: 54px; border-radius: 15px;
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  animation: pulse-load 1.1s ease-in-out infinite;
}
.page-loader .loader-mark svg { width: 28px; height: 28px; }
@keyframes pulse-load { 0%,100% { transform: scale(1); opacity: 1; } 50% { transform: scale(0.88); opacity: 0.7; } }

/* =========================== Utility patterns =========================== */
.divider-blob {
  position: absolute; width: 480px; height: 480px; border-radius: 50%;
  filter: blur(80px); opacity: 0.5; z-index: 0; pointer-events: none;
}
.blob--blue { background: var(--blue-400); }
.blob--orange { background: var(--orange-400); }

/* =========================== Responsive =========================== */
@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
}

@media (max-width: 920px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .cta-banner { flex-direction: column; text-align: center; padding: 48px 32px; }
  .cta-banner__actions { justify-content: center; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 680px) {
  :root { --nav-h: 72px; }
  .section { padding: 72px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
}