/* =========================================================
   BinBuddy Services — Design System & Marketing Styles
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
  /* Brand palette — UK wheelie-bin trio: black (general waste) / blue (recycling) / green (garden waste) */
  --bb-blue-50:  #e6efff;
  --bb-blue-100: #c7dcff;
  --bb-blue-200: #94bcff;
  --bb-blue-300: #5b96ff;
  --bb-blue-400: #2a74ff;
  --bb-blue-500: #0d5dff;   /* recycling-bin blue */
  --bb-blue-600: #0a47cc;
  --bb-blue-700: #073499;
  --bb-blue-800: #052566;
  --bb-blue-900: #03163d;

  --bb-green-50:  #e8faef;
  --bb-green-100: #c6f2d6;
  --bb-green-200: #8fe4ad;
  --bb-green-300: #55d387;
  --bb-green-400: #2fbf68;
  --bb-green-500: #16a34a;  /* garden-waste green */
  --bb-green-600: #0d8a3d;
  --bb-green-700: #086b2f;

  --bb-ink-900:   #05070d;   /* near-black, general-waste lid */
  --bb-ink-800:   #0a0e17;
  --bb-ink-700:   #141925;
  --bb-ink-600:   #2a303e;
  --bb-ink-500:   #5b6172;
  --bb-ink-400:   #8a90a0;
  --bb-ink-300:   #c5c9d1;
  --bb-ink-200:   #e1e3e8;
  --bb-ink-100:   #f1f2f5;
  --bb-ink-50:    #f8f9fb;

  --bb-white: #ffffff;
  --bb-bg:    #f5f7fb;

  /* Signature gradients — black → recycling blue → garden-waste green */
  --bb-grad-primary:  linear-gradient(135deg, #0d5dff 0%, #16a34a 100%);
  --bb-grad-hero:     linear-gradient(135deg, #05070d 0%, #0d5dff 55%, #16a34a 120%);
  --bb-grad-soft:     linear-gradient(135deg, #e6efff 0%, #e8faef 100%);
  --bb-grad-glass:    linear-gradient(135deg, rgba(255,255,255,0.75), rgba(255,255,255,0.35));

  /* Typography */
  --bb-font-sans: "Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --bb-font-display: "Plus Jakarta Sans", "Inter", sans-serif;
  --bb-font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --bb-text-xs:   0.75rem;
  --bb-text-sm:   0.875rem;
  --bb-text-base: 1rem;
  --bb-text-lg:   1.125rem;
  --bb-text-xl:   1.25rem;
  --bb-text-2xl:  1.5rem;
  --bb-text-3xl:  1.875rem;
  --bb-text-4xl:  2.25rem;
  --bb-text-5xl:  3rem;
  --bb-text-6xl:  3.75rem;
  --bb-text-7xl:  4.5rem;

  /* Spacing scale (4pt baseline) */
  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-5:  1.25rem;
  --sp-6:  1.5rem;
  --sp-8:  2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;
  --sp-32: 8rem;

  /* Radii */
  --r-xs: 6px;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-2xl: 36px;
  --r-pill: 999px;

  /* Shadows — based on near-black ink-900 (5, 7, 13) */
  --sh-xs:  0 1px 2px rgba(5, 7, 13, 0.08);
  --sh-sm:  0 2px 6px rgba(5, 7, 13, 0.08), 0 1px 2px rgba(5, 7, 13, 0.05);
  --sh-md:  0 8px 24px rgba(5, 7, 13, 0.10), 0 2px 4px rgba(5, 7, 13, 0.05);
  --sh-lg:  0 18px 48px rgba(5, 7, 13, 0.16), 0 4px 12px rgba(5, 7, 13, 0.08);
  --sh-xl:  0 32px 72px rgba(5, 7, 13, 0.24), 0 8px 20px rgba(5, 7, 13, 0.10);
  --sh-glow: 0 0 0 6px rgba(13, 93, 255, 0.14);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 150ms;
  --dur-base: 260ms;
  --dur-slow: 520ms;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--bb-font-sans);
  font-size: var(--bb-text-base);
  line-height: 1.6;
  color: var(--bb-ink-800);
  background: var(--bb-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--bb-font-display);
  color: var(--bb-ink-900);
  margin: 0 0 var(--sp-4);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 4rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.875rem, 3.5vw, 2.75rem); letter-spacing: -0.03em; }
h3 { font-size: clamp(1.375rem, 2.2vw, 1.75rem); }
h4 { font-size: var(--bb-text-xl); }

p { margin: 0 0 var(--sp-4); color: var(--bb-ink-600); }

a { color: var(--bb-blue-600); text-decoration: none; transition: color var(--dur-fast) var(--ease-out); }
a:hover { color: var(--bb-blue-700); }

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

button { font-family: inherit; cursor: pointer; border: none; background: none; }

::selection { background: var(--bb-blue-200); color: var(--bb-blue-900); }

/* ---------- Layout utilities ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

.section { padding: var(--sp-24) 0; position: relative; }
.section--tight { padding: var(--sp-16) 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--bb-text-sm);
  font-weight: 600;
  color: var(--bb-blue-700);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-pill);
  background: var(--bb-blue-50);
  border: 1px solid var(--bb-blue-100);
  margin-bottom: var(--sp-5);
}
.eyebrow .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--bb-green-500);
  box-shadow: 0 0 0 4px rgba(22,163,74,0.15);
  animation: pulse 2s var(--ease-in-out) infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.65; transform: scale(1.15); }
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--sp-16);
}
.section-header p { font-size: var(--bb-text-lg); color: var(--bb-ink-500); }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--bb-blue-600);
  --btn-fg: #fff;
  --btn-bd: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  font-size: var(--bb-text-base);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--r-pill);
  border: 1px solid var(--btn-bd);
  background: var(--btn-bg);
  color: var(--btn-fg);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--sh-md); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: none; box-shadow: var(--sh-glow); }

.btn--primary {
  background: var(--bb-grad-primary);
  color: #fff;
  box-shadow: 0 10px 30px rgba(13,93,255,0.28);
}
.btn--primary:hover {
  box-shadow: 0 14px 36px rgba(13,93,255,0.36);
}

.btn--ghost {
  background: transparent;
  color: var(--bb-ink-800);
  border-color: var(--bb-ink-200);
}
.btn--ghost:hover { background: var(--bb-ink-50); }

.btn--white {
  background: #fff;
  color: var(--bb-blue-700);
  box-shadow: var(--sh-sm);
}

.btn--lg { padding: var(--sp-4) var(--sp-8); font-size: var(--bb-text-lg); }
.btn--sm { padding: var(--sp-2) var(--sp-4); font-size: var(--bb-text-sm); }

/* ---------- Cards ---------- */
.card {
  background: #fff;
  border-radius: var(--r-lg);
  border: 1px solid var(--bb-ink-200);
  box-shadow: var(--sh-sm);
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sh-lg); border-color: var(--bb-blue-200); }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-3);
  font-size: var(--bb-text-xs);
  font-weight: 600;
  border-radius: var(--r-pill);
  background: var(--bb-ink-100);
  color: var(--bb-ink-700);
}
.badge--green { background: var(--bb-green-100); color: var(--bb-green-700); }
.badge--blue  { background: var(--bb-blue-100); color: var(--bb-blue-700); }

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: var(--sp-4) 0;
  transition: all var(--dur-base) var(--ease-out);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--r-pill);
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.6);
  box-shadow: 0 8px 32px rgba(5, 7, 13, 0.06);
  transition: all var(--dur-base) var(--ease-out);
}
.nav.is-scrolled .nav__inner {
  background: rgba(255,255,255,0.92);
  box-shadow: 0 10px 40px rgba(5, 7, 13, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--bb-font-display);
  font-weight: 800;
  font-size: var(--bb-text-lg);
  color: var(--bb-ink-900);
  letter-spacing: -0.01em;
}
.brand__mark {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--bb-grad-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 12px rgba(13,93,255,0.3);
}
.brand__mark svg { width: 18px; height: 18px; }

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__links a {
  color: var(--bb-ink-700);
  font-weight: 500;
  font-size: var(--bb-text-sm);
  position: relative;
}
.nav__links a:hover { color: var(--bb-blue-600); }
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--bb-grad-primary);
  border-radius: 2px;
  transition: width var(--dur-base) var(--ease-out);
}
.nav__links a:hover::after { width: 100%; }

.nav__cta {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

/* Logged-in nav: account pill + sign-out (replaces Sign in / Get started) */
.nav__account {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 6px;
  border-radius: 999px;
  background: var(--bb-ink-100, #eef3fb);
  color: var(--bb-ink-900, #0c1324);
  font-weight: 600;
  font-size: 13px;
  text-decoration: none;
  transition: background .15s ease, transform .15s ease;
}
.nav__account:hover { background: #e2ebf8; transform: translateY(-1px); }
.nav__account__avatar {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--bb-grad-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}
.nav__signout { white-space: nowrap; }

.nav__toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--bb-ink-100);
  align-items: center;
  justify-content: center;
}

/* Mobile menu */
@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__toggle { display: inline-flex; }
  .nav__cta .btn--ghost { display: none; }
  .nav.is-open .nav__links {
    display: flex;
    position: absolute;
    top: calc(100% + var(--sp-2));
    left: var(--sp-4); right: var(--sp-4);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--sp-4);
    background: #fff;
    border-radius: var(--r-lg);
    border: 1px solid var(--bb-ink-200);
    box-shadow: var(--sh-lg);
  }
  .nav.is-open .nav__links li {
    padding: var(--sp-3) var(--sp-2);
    border-bottom: 1px solid var(--bb-ink-100);
  }
  .nav.is-open .nav__links li:last-child { border-bottom: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--sp-32) + var(--sp-8)) 0 var(--sp-24);
  background: var(--bb-grad-hero);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 400px at 20% 10%, rgba(13,93,255,0.6), transparent 70%),
    radial-gradient(ellipse 600px 300px at 80% 20%, rgba(22,163,74,0.35), transparent 70%),
    radial-gradient(ellipse 900px 500px at 60% 100%, rgba(13,93,255,0.4), transparent 70%);
  z-index: -1;
}

.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: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 40%, transparent 80%);
  z-index: -1;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--sp-16);
  align-items: center;
}

.hero h1 { color: #fff; margin-bottom: var(--sp-5); }
.hero h1 span {
  display: inline-block;
  background: linear-gradient(120deg, #8fe4ad 0%, #5b96ff 50%, #ffffff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lede {
  font-size: clamp(1.0625rem, 1.4vw, 1.2rem);
  color: rgba(255,255,255,0.82);
  max-width: 560px;
  margin-bottom: var(--sp-8);
}

.hero__eyebrow {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: #c6f2d6;
}
.hero__eyebrow .dot { background: #55d387; box-shadow: 0 0 0 4px rgba(85,211,135,0.25); }

.hero__cta {
  display: flex;
  gap: var(--sp-4);
  flex-wrap: wrap;
  margin-bottom: var(--sp-10);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
  padding-top: var(--sp-6);
  border-top: 1px solid rgba(255,255,255,0.15);
}
.hero__stat strong {
  display: block;
  font-family: var(--bb-font-display);
  font-size: var(--bb-text-3xl);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}
.hero__stat span {
  display: block;
  font-size: var(--bb-text-sm);
  color: rgba(255,255,255,0.7);
  margin-top: var(--sp-1);
}

/* Hero visual (illustrated bin card) */
.hero__visual {
  position: relative;
  aspect-ratio: 1 / 1;
  animation: floaty 6s var(--ease-in-out) infinite;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-card {
  position: absolute;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(18px);
  border-radius: var(--r-lg);
  box-shadow: 0 30px 80px rgba(0,0,0,0.35);
  padding: var(--sp-5);
  color: var(--bb-ink-800);
}

.hero-card--main {
  inset: 8% 8% 20% 8%;
  background: linear-gradient(160deg, rgba(255,255,255,0.98), rgba(236,253,245,0.95));
  border: 1px solid rgba(255,255,255,0.7);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.hero-card__title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-4);
}
.hero-card__title strong {
  font-family: var(--bb-font-display);
  font-size: var(--bb-text-lg);
  color: var(--bb-ink-900);
}
.hero-card__schedule {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}
.schedule-item {
  background: #fff;
  border-radius: var(--r-md);
  padding: var(--sp-4);
  border: 1px solid var(--bb-ink-100);
  box-shadow: var(--sh-xs);
}
.schedule-item small {
  font-size: var(--bb-text-xs);
  font-weight: 600;
  color: var(--bb-ink-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.schedule-item strong {
  display: block;
  font-family: var(--bb-font-display);
  font-size: var(--bb-text-xl);
  color: var(--bb-ink-900);
  margin-top: var(--sp-1);
}
.schedule-item p { margin: var(--sp-1) 0 0; font-size: var(--bb-text-xs); color: var(--bb-ink-500); }

.hero-card__progress {
  margin-top: var(--sp-4);
}
.hero-card__progress-bar {
  height: 8px;
  border-radius: var(--r-pill);
  background: var(--bb-ink-100);
  overflow: hidden;
}
.hero-card__progress-bar span {
  display: block;
  height: 100%;
  width: 72%;
  background: var(--bb-grad-primary);
  border-radius: var(--r-pill);
  animation: fillBar 2.4s var(--ease-out) forwards;
}
@keyframes fillBar { from { width: 0; } }

.hero-card--price {
  right: -4%;
  bottom: 6%;
  width: 210px;
  padding: var(--sp-5);
  background: #fff;
  border: 1px solid var(--bb-ink-100);
  animation: floaty 6s var(--ease-in-out) infinite reverse;
}
.hero-card--price .price {
  font-family: var(--bb-font-display);
  font-size: var(--bb-text-4xl);
  font-weight: 800;
  color: var(--bb-ink-900);
  letter-spacing: -0.02em;
}
.hero-card--price .price sub {
  font-size: var(--bb-text-sm);
  color: var(--bb-ink-500);
  font-weight: 500;
  bottom: 0;
  margin-left: var(--sp-1);
}
.hero-card--price small {
  display: block;
  font-size: var(--bb-text-xs);
  color: var(--bb-ink-500);
  margin-top: var(--sp-1);
}
.hero-card--price .badge {
  margin-bottom: var(--sp-2);
}

.hero-card--chip {
  left: -4%;
  top: 12%;
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  animation: floaty 5s var(--ease-in-out) infinite;
}
.hero-card--chip .avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--bb-grad-primary);
  display: inline-flex;
  align-items: center; justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: var(--bb-text-sm);
}
.hero-card--chip small { display: block; font-size: var(--bb-text-xs); color: var(--bb-ink-500); }
.hero-card--chip strong { font-size: var(--bb-text-sm); color: var(--bb-ink-900); }

@media (max-width: 860px) {
  .hero { padding-top: calc(var(--sp-24) + var(--sp-4)); }
  .hero__inner { grid-template-columns: 1fr; gap: var(--sp-10); }
  .hero__visual { max-width: 420px; margin: 0 auto; width: 100%; }
  .hero-card--price { right: 0; }
  .hero-card--chip { left: 0; }
}

/* ---------- Logo bar / trust ---------- */
.trust {
  padding: var(--sp-12) 0;
  background: #fff;
  border-top: 1px solid var(--bb-ink-100);
  border-bottom: 1px solid var(--bb-ink-100);
}
.trust__label {
  text-align: center;
  font-size: var(--bb-text-sm);
  color: var(--bb-ink-500);
  font-weight: 500;
  margin-bottom: var(--sp-6);
}
.trust__items {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-8);
}
.trust__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  color: var(--bb-ink-600);
  font-weight: 600;
  font-size: var(--bb-text-sm);
}
.trust__item svg { width: 24px; height: 24px; color: var(--bb-blue-600); }
@media (max-width: 720px) {
  .trust__items { grid-template-columns: repeat(2, 1fr); gap: var(--sp-6); }
}

/* ---------- Features / How it works ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}
.step {
  padding: var(--sp-8);
  background: #fff;
  border: 1px solid var(--bb-ink-200);
  border-radius: var(--r-xl);
  position: relative;
  overflow: hidden;
  transition: all var(--dur-base) var(--ease-out);
}
.step::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bb-grad-soft);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
  z-index: 0;
}
.step:hover { transform: translateY(-6px); border-color: var(--bb-blue-200); box-shadow: var(--sh-lg); }
.step:hover::before { opacity: 1; }

.step > * { position: relative; z-index: 1; }

.step__num {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center; justify-content: center;
  background: var(--bb-grad-primary);
  color: #fff;
  font-family: var(--bb-font-display);
  font-weight: 800;
  margin-bottom: var(--sp-5);
  box-shadow: 0 10px 24px rgba(13,93,255,0.25);
}

.step h3 { margin-bottom: var(--sp-3); }
.step p { color: var(--bb-ink-600); margin: 0; }
.step__tag {
  margin-top: var(--sp-5);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--bb-text-sm);
  color: var(--bb-blue-700);
  font-weight: 600;
}

@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

/* ---------- Features grid ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}
.feature {
  padding: var(--sp-6);
  background: #fff;
  border: 1px solid var(--bb-ink-200);
  border-radius: var(--r-lg);
  transition: all var(--dur-base) var(--ease-out);
}
.feature:hover { border-color: var(--bb-blue-200); transform: translateY(-3px); box-shadow: var(--sh-md); }
.feature__icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center; justify-content: center;
  background: var(--bb-blue-50);
  color: var(--bb-blue-600);
  margin-bottom: var(--sp-4);
}
.feature__icon svg { width: 22px; height: 22px; }
.feature h4 { margin-bottom: var(--sp-2); }
.feature p { font-size: var(--bb-text-sm); margin: 0; color: var(--bb-ink-500); }
@media (max-width: 860px) { .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .features { grid-template-columns: 1fr; } }

/* ---------- Pricing ---------- */
.pricing {
  background: linear-gradient(180deg, #ffffff 0%, var(--bb-bg) 100%);
}
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
  max-width: 1080px;
  margin: 0 auto;
}
.plan {
  padding: var(--sp-8);
  background: #fff;
  border-radius: var(--r-xl);
  border: 1px solid var(--bb-ink-200);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--dur-base) var(--ease-out);
}
.plan:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); }
.plan--featured {
  background: var(--bb-grad-hero);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 30px 60px rgba(15,63,168,0.3);
  transform: scale(1.03);
}
.plan--featured h3, .plan--featured .plan__price strong { color: #fff; }
.plan--featured .plan__price small,
.plan--featured .plan__desc,
.plan--featured .plan__features li { color: rgba(255,255,255,0.85); }
.plan--featured .plan__features svg { color: #55d387; }
.plan--featured .btn--primary { background: #fff; color: var(--bb-blue-700); }
.plan--featured .btn--primary:hover { background: #f9fafb; }

.plan__tag {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  padding: 6px 14px;
  border-radius: var(--r-pill);
  font-size: var(--bb-text-xs);
  font-weight: 700;
  background: var(--bb-green-500);
  color: #fff;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.plan h3 { margin-bottom: var(--sp-2); }
.plan__desc { font-size: var(--bb-text-sm); color: var(--bb-ink-500); margin-bottom: var(--sp-5); min-height: 2.4em; }

.plan__price {
  margin: var(--sp-4) 0 var(--sp-6);
  display: flex;
  align-items: baseline;
  gap: var(--sp-1);
}
.plan__price strong {
  font-family: var(--bb-font-display);
  font-size: clamp(2.25rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--bb-ink-900);
}
.plan__price small { color: var(--bb-ink-500); font-size: var(--bb-text-sm); }

.plan__features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.plan__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: var(--bb-text-sm);
  color: var(--bb-ink-700);
}
.plan__features svg {
  width: 20px; height: 20px;
  color: var(--bb-green-500);
  flex-shrink: 0;
  margin-top: 2px;
}

.plan .btn { margin-top: auto; width: 100%; }

@media (max-width: 900px) {
  .pricing__grid { grid-template-columns: 1fr; max-width: 480px; }
  .plan--featured { transform: none; }
}

/* ---------- FAQ ---------- */
.faq {
  max-width: 760px;
  margin: 0 auto;
}
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.accordion__item {
  background: #fff;
  border: 1px solid var(--bb-ink-200);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: all var(--dur-base) var(--ease-out);
}
.accordion__item.is-open { border-color: var(--bb-blue-300); box-shadow: var(--sh-md); }

.accordion__trigger {
  width: 100%;
  padding: var(--sp-5) var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  text-align: left;
  font-family: var(--bb-font-display);
  font-size: var(--bb-text-lg);
  font-weight: 600;
  color: var(--bb-ink-900);
}
.accordion__trigger .chev {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--bb-ink-100);
  display: inline-flex;
  align-items: center; justify-content: center;
  color: var(--bb-ink-700);
  transition: transform var(--dur-base) var(--ease-out), background var(--dur-fast) var(--ease-out);
  flex-shrink: 0;
}
.accordion__item.is-open .chev { transform: rotate(180deg); background: var(--bb-blue-100); color: var(--bb-blue-700); }

.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-base) var(--ease-out);
}
.accordion__body-inner {
  padding: 0 var(--sp-6) var(--sp-5);
  color: var(--bb-ink-600);
  font-size: var(--bb-text-base);
  line-height: 1.7;
}

/* ---------- Contact / CTA ---------- */
.cta {
  position: relative;
  padding: var(--sp-20) 0;
  color: #fff;
  background: var(--bb-grad-hero);
  overflow: hidden;
  isolation: isolate;
}
.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle 500px at 30% 40%, rgba(22,163,74,0.3), transparent 70%),
    radial-gradient(circle 500px at 80% 80%, rgba(13,93,255,0.4), transparent 70%);
  z-index: -1;
}
.cta__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--sp-10);
  align-items: center;
}
.cta h2 { color: #fff; margin-bottom: var(--sp-4); }
.cta p { color: rgba(255,255,255,0.85); font-size: var(--bb-text-lg); margin-bottom: var(--sp-6); }
.cta__meta {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-6);
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--r-lg);
}
.cta__meta-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--bb-text-sm);
  color: rgba(255,255,255,0.9);
}
.cta__meta-row svg { color: #55d387; flex-shrink: 0; }
.cta__meta-row strong { color: #fff; font-weight: 600; }

@media (max-width: 860px) {
  .cta__inner { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
.footer {
  background: var(--bb-ink-900);
  color: var(--bb-ink-300);
  padding: var(--sp-16) 0 var(--sp-8);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--sp-10);
  margin-bottom: var(--sp-12);
}
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}
.footer__brand .brand { color: #fff; }
.footer__brand p { color: var(--bb-ink-400); font-size: var(--bb-text-sm); max-width: 320px; }
.footer__col h5 {
  color: #fff;
  font-family: var(--bb-font-display);
  font-size: var(--bb-text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-4);
}
.footer__col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--sp-2); }
.footer__col a { color: var(--bb-ink-400); font-size: var(--bb-text-sm); transition: color var(--dur-fast); }
.footer__col a:hover { color: #fff; }
.footer__bottom {
  padding-top: var(--sp-6);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
  font-size: var(--bb-text-sm);
  color: var(--bb-ink-500);
}

@media (max-width: 860px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: span 2; }
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.reveal[data-delay="100"] { transition-delay: 100ms; }
.reveal[data-delay="200"] { transition-delay: 200ms; }
.reveal[data-delay="300"] { transition-delay: 300ms; }
.reveal[data-delay="400"] { transition-delay: 400ms; }

/* ---------- Alerts / loading spinner ---------- */
.alert {
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--bb-text-sm);
}
.alert--info    { background: var(--bb-blue-50); color: var(--bb-blue-700); border: 1px solid var(--bb-blue-100); }
.alert--success { background: var(--bb-green-50); color: var(--bb-green-700); border: 1px solid var(--bb-green-100); }
.alert--error   { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

.spinner {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: var(--sp-6);
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  padding: var(--sp-3) var(--sp-5);
  background: var(--bb-ink-900);
  color: #fff;
  border-radius: var(--r-pill);
  box-shadow: var(--sh-lg);
  z-index: 10000;
  font-size: var(--bb-text-sm);
  transition: transform var(--dur-base) var(--ease-out);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.toast.is-visible { transform: translateX(-50%) translateY(0); }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5,7,13,0.5);
  backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out);
}
.modal-backdrop.is-visible { opacity: 1; pointer-events: auto; }

.modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -48%) scale(0.96);
  opacity: 0;
  pointer-events: none;
  width: calc(100% - var(--sp-8));
  max-width: 460px;
  background: #fff;
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  box-shadow: var(--sh-xl);
  z-index: 1000;
  transition: all var(--dur-base) var(--ease-out);
}
.modal.is-visible { opacity: 1; pointer-events: auto; transform: translate(-50%, -50%) scale(1); }

/* ---------- Print-friendly tweaks ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}