/* ========================================================================
   ZumZum Landing Page — styles.css
   Product: ZumZum (CAAS Vertical #4) — WhatsApp Payment Collection
   Brand: Dark fintech + Spanish street energy
   Typography: Bricolage Grotesque (Google Fonts, variable)
   Built by Chidy for Seldon Solutions S.L.
   ======================================================================== */

/* --- DESIGN TOKENS (CSS Custom Properties) --- */
:root {
  /* Colors */
  --color-bg:          #0A0A0F;
  --color-surface:     #14141E;
  --color-surface-alt: #1A1A28;
  --color-accent:      #FFD700;
  --color-accent-dim:  rgba(255, 215, 0, 0.15);
  --color-accent-mid:  rgba(255, 215, 0, 0.35);
  --color-wa-green:    #25D366;
  --color-wa-hover:    #1EB954;
  --color-bizum:       #00B140;
  --color-text:        #FFFFFF;
  --color-text-sec:    #B0B0C0;
  --color-text-muted:  #8A8A9E;
  --color-border:      #2A2A3A;
  --color-border-lt:   #1F1F2E;

  /* Typography */
  --font-main: 'Bricolage Grotesque', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Font sizes — fluid clamp scale */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  clamp(1.25rem, 2vw + 0.5rem, 1.5rem);
  --text-3xl:  clamp(1.5rem, 2.5vw + 0.5rem, 1.875rem);
  --text-4xl:  clamp(1.875rem, 3vw + 0.5rem, 2.25rem);
  --text-5xl:  clamp(2.25rem, 4vw + 0.5rem, 3rem);
  --text-6xl:  clamp(2.75rem, 5vw + 0.5rem, 3.75rem);

  /* Spacing (4px base) */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  24px;
  --space-6:  32px;
  --space-7:  48px;
  --space-8:  64px;
  --space-9:  80px;
  --space-10: 120px;

  /* Radii */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-2xl:  20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 2px rgba(0,0,0,0.2);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.3);
  --shadow-lg:  0 10px 30px rgba(0,0,0,0.4);
  --shadow-xl:  0 20px 50px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(255, 215, 0, 0.12);

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --section-pad-y: var(--space-9);
  --section-pad-y-lg: var(--space-10);
}

/* --- RESET + BASE --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-main);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-sec);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:hover {
  color: var(--color-text);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-6xl); }
h2 { font-size: var(--text-5xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }

p + p { margin-top: var(--space-4); }

::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* --- UTILITY CLASSES --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section-pad {
  padding-top: var(--section-pad-y);
  padding-bottom: var(--section-pad-y);
}

.text-accent { color: var(--color-accent); }
.text-muted  { color: var(--color-text-muted); }
.text-center { text-align: center; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* --- SECTION TITLES --- */
.section-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section-title {
  margin-bottom: var(--space-5);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-sec);
  max-width: 600px;
  margin: 0 auto;
  font-weight: 400;
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-main);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
  min-height: 48px;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn:active {
  transform: translateY(0);
}

/* WhatsApp CTA — ALWAYS for wa.me links */
.btn--wa {
  background: var(--color-wa-green);
  color: #FFFFFF;
}
.btn--wa:hover {
  background: var(--color-wa-hover);
  color: #FFFFFF;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
}
.btn--wa svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Secondary outlined */
.btn--outline {
  background: transparent;
  color: var(--color-text-sec);
  border: 1.5px solid var(--color-border);
}
.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Large variant */
.btn--lg {
  padding: var(--space-5) var(--space-7);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
  min-height: 56px;
}

/* Small variant */
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  min-height: 40px;
}

/* --- NAVIGATION --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-lt);
  transition: background 0.3s ease;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.nav__logo svg {
  width: 32px;
  height: 32px;
}
.nav__logo-text .zum-gold {
  color: var(--color-accent);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}
.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-sec);
  transition: color 0.15s ease;
}
.nav__links a:hover {
  color: var(--color-text);
}
.nav__cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Mobile hamburger */
.nav__hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile nav overlay */
.nav__mobile {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 15, 0.97);
  backdrop-filter: blur(16px);
  z-index: 99;
  padding: var(--space-7) var(--space-5);
  flex-direction: column;
  gap: var(--space-6);
}
.nav__mobile.active {
  display: flex;
}
.nav__mobile a {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-text-sec);
}
.nav__mobile a:hover {
  color: var(--color-text);
}
.nav__mobile .btn {
  margin-top: var(--space-5);
  width: 100%;
}

@media (max-width: 768px) {
  .nav__links,
  .nav__cta {
    display: none;
  }
  .nav__hamburger {
    display: block;
  }
}

/* --- HERO SECTION --- */
.hero {
  padding-top: calc(64px + var(--space-9));
  padding-bottom: var(--space-9);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--color-accent-dim) 0%, transparent 70%);
  pointer-events: none;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}
.hero__content {
  max-width: 560px;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent-dim);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}
.hero__title {
  margin-bottom: var(--space-5);
  line-height: 1.08;
}
.hero__title .accent {
  color: var(--color-accent);
}
.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-sec);
  margin-bottom: var(--space-7);
  max-width: 480px;
  line-height: 1.6;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}
.hero__proof {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.hero__proof-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-bizum);
}

/* Hero chat mockup */
.hero__visual {
  position: relative;
}
.chat-mockup {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  max-width: 380px;
  margin-left: auto;
}
.chat-mockup__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: #1B1B28;
  border-bottom: 1px solid var(--color-border-lt);
}
.chat-mockup__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.chat-mockup__avatar svg {
  width: 20px;
  height: 20px;
}
.chat-mockup__name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.chat-mockup__status {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.chat-mockup__body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 300px;
}

/* Chat bubbles */
.bubble {
  max-width: 85%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.5;
  position: relative;
}
.bubble--user {
  align-self: flex-end;
  background: rgba(255, 215, 0, 0.12);
  color: var(--color-text);
  border-bottom-right-radius: var(--radius-sm);
}
.bubble--bot {
  align-self: flex-start;
  background: var(--color-surface-alt);
  color: var(--color-text-sec);
  border-bottom-left-radius: var(--radius-sm);
}
.bubble__time {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  text-align: right;
}
.bubble strong {
  color: var(--color-text);
}
.bubble .text-green {
  color: var(--color-bizum);
}

@media (max-width: 768px) {
  .hero {
    padding-top: calc(64px + var(--space-7));
    padding-bottom: var(--space-7);
  }
  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-7);
  }
  .hero__content {
    text-align: center;
    max-width: 100%;
  }
  .hero__subtitle {
    max-width: 100%;
  }
  .hero__actions {
    justify-content: center;
  }
  .hero__proof {
    justify-content: center;
  }
  .chat-mockup {
    margin: 0 auto;
    max-width: 340px;
  }
}

/* --- HOW IT WORKS --- */
.how {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-lt);
  border-bottom: 1px solid var(--color-border-lt);
}
.how__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-7);
  margin-top: var(--space-7);
}
.step {
  text-align: center;
  position: relative;
}
.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent-dim);
  border: 1.5px solid rgba(255, 215, 0, 0.25);
  margin-bottom: var(--space-5);
}
.step__number svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}
.step__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}
.step__text {
  font-size: var(--text-sm);
  color: var(--color-text-sec);
  max-width: 280px;
  margin: 0 auto;
  line-height: 1.6;
}
.step__example {
  display: inline-block;
  margin-top: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: rgba(255, 215, 0, 0.06);
  border: 1px solid var(--color-border-lt);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
}
/* Connector lines between steps */
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 28px;
  right: -24px;
  width: 48px;
  height: 1.5px;
  background: linear-gradient(90deg, var(--color-accent-mid), transparent);
}

@media (max-width: 768px) {
  .how__steps {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .step:not(:last-child)::after {
    display: none;
  }
}

/* --- INVOICING SECTION --- */
.invoicing {
  position: relative;
}
.invoicing__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
  margin-top: var(--space-7);
}
.invoicing__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.feature-card {
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border-lt);
  border-radius: var(--radius-xl);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border);
}
.feature-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}
.feature-card__icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}
.feature-card__title {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.feature-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Invoice mockup */
.invoice-mockup {
  position: relative;
  perspective: 800px;
}
.invoice-card {
  background: #FFFFFF;
  color: #1a1a1a;
  border-radius: var(--radius-xl);
  padding: var(--space-7) var(--space-6);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  transform: rotateY(-4deg) rotateX(2deg);
  max-width: 380px;
  margin-left: auto;
  transition: transform 0.3s ease;
}
.invoice-card:hover {
  transform: rotateY(-1deg) rotateX(0.5deg);
}
.invoice-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid #f0f0f0;
}
.invoice-card__logo {
  font-weight: 800;
  font-size: var(--text-lg);
  color: #0A0A0F;
}
.invoice-card__logo .gold {
  color: #B8860B;
}
.invoice-card__num {
  font-size: var(--text-xs);
  color: #666;
  text-align: right;
}
.invoice-card__num strong {
  display: block;
  font-size: var(--text-sm);
  color: #333;
}
.invoice-card__parties {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  font-size: var(--text-xs);
  color: #666;
}
.invoice-card__parties strong {
  color: #333;
  display: block;
  margin-bottom: var(--space-1);
}
.invoice-card__line {
  display: flex;
  justify-content: space-between;
  padding: var(--space-3) 0;
  border-bottom: 1px solid #f0f0f0;
  font-size: var(--text-sm);
  color: #333;
}
.invoice-card__totals {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
}
.invoice-card__totals div {
  display: flex;
  justify-content: space-between;
  padding: var(--space-1) 0;
  color: #666;
}
.invoice-card__totals .total-row {
  font-weight: 700;
  font-size: var(--text-lg);
  color: #0A0A0F;
  padding-top: var(--space-3);
  border-top: 2px solid #0A0A0F;
  margin-top: var(--space-2);
}
.invoice-card__paid {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: var(--space-2) var(--space-3);
  background: rgba(0, 177, 64, 0.1);
  border: 1px solid rgba(0, 177, 64, 0.3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-bizum);
}
.invoice-card__footer {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid #f0f0f0;
  font-size: 0.65rem;
  color: #999;
  text-align: center;
}

@media (max-width: 768px) {
  .invoicing__grid {
    grid-template-columns: 1fr;
  }
  .invoicing__features {
    grid-template-columns: 1fr;
  }
  .invoice-card {
    transform: none;
    margin: var(--space-5) auto 0;
    max-width: 340px;
  }
  .invoice-card:hover {
    transform: none;
  }
}

/* --- DEMO SECTION --- */
.demo {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-lt);
  border-bottom: 1px solid var(--color-border-lt);
}
.demo__tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  margin-bottom: var(--space-6);
}
.demo__tab {
  padding: var(--space-3) var(--space-5);
  background: transparent;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-sec);
  font-family: var(--font-main);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}
.demo__tab:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.demo__tab.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
}
.demo__panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  max-width: 820px;
  margin: 0 auto;
}
.demo__panel {
  display: none;
}
.demo__panel.active {
  display: block;
}

/* On desktop, show both panels side-by-side */
@media (min-width: 769px) {
  .demo__tabs {
    display: none;
  }
  .demo__panels {
    grid-template-columns: 1fr 1fr;
  }
  .demo__panel {
    display: block !important;
  }
}
/* On mobile, show tabs and single panel */
@media (max-width: 768px) {
  .demo__panels {
    grid-template-columns: 1fr;
  }
}

.demo .chat-mockup {
  max-width: 100%;
  margin: 0;
}
.demo .chat-mockup__body {
  min-height: 380px;
}
.demo__label {
  text-align: center;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* --- WHO IS IT FOR --- */
.audience__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-7);
}
.audience-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border-lt);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.audience-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border);
}
.audience-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--color-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}
.audience-card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}
.audience-card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.audience-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .audience__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
}
@media (max-width: 480px) {
  .audience__grid {
    grid-template-columns: 1fr;
  }
}

/* --- PRICING --- */
.pricing {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-lt);
  border-bottom: 1px solid var(--color-border-lt);
}
.pricing-card {
  max-width: 480px;
  margin: var(--space-7) auto 0;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-7) var(--space-6);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-wa-green));
}
.pricing-card__badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-accent-dim);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}
.pricing-card__price {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: var(--space-1);
}
.pricing-card__price span {
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text-sec);
}
.pricing-card__desc {
  font-size: var(--text-lg);
  color: var(--color-text-sec);
  margin-bottom: var(--space-6);
}
.pricing-card__features {
  list-style: none;
  text-align: left;
  margin-bottom: var(--space-6);
}
.pricing-card__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  font-size: var(--text-sm);
  color: var(--color-text-sec);
  border-bottom: 1px solid var(--color-border-lt);
}
.pricing-card__features li:last-child {
  border-bottom: none;
}
.pricing-card__features .check {
  color: var(--color-wa-green);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}
.pricing-card__trial {
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 600;
  margin-top: var(--space-4);
}
.pricing__note {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 500px;
  margin: var(--space-5) auto 0;
  line-height: 1.5;
}

/* --- TRUST SECTION --- */
.trust__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-7);
}
.trust-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-6) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border-lt);
  border-radius: var(--radius-xl);
}
.trust-badge__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}
.trust-badge__icon svg {
  width: 24px;
  height: 24px;
}
.trust-badge__title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.trust-badge__text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

@media (max-width: 768px) {
  .trust__grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 480px) {
  .trust__grid {
    grid-template-columns: 1fr;
  }
}

/* --- FAQ --- */
.faq__list {
  max-width: 720px;
  margin: var(--space-7) auto 0;
}
.faq-item {
  border-bottom: 1px solid var(--color-border-lt);
}
.faq-item__q {
  width: 100%;
  background: none;
  border: none;
  padding: var(--space-5) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-main);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  gap: var(--space-4);
  min-height: 48px;
}
.faq-item__q:hover {
  color: var(--color-accent);
}
.faq-item__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  transition: transform 0.2s ease;
}
.faq-item__icon line {
  stroke: var(--color-text-sec);
  stroke-width: 2;
  stroke-linecap: round;
}
.faq-item.active .faq-item__icon {
  transform: rotate(45deg);
}
.faq-item__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-item.active .faq-item__a {
  max-height: 200px;
  padding-bottom: var(--space-5);
}
.faq-item__a p {
  font-size: var(--text-base);
  color: var(--color-text-sec);
  line-height: 1.6;
}

/* --- FINAL CTA --- */
.final-cta {
  text-align: center;
  position: relative;
  overflow: hidden;
}
.final-cta::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, var(--color-accent-dim) 0%, transparent 70%);
  pointer-events: none;
}
.final-cta__title {
  margin-bottom: var(--space-5);
  position: relative;
}
.final-cta__sub {
  font-size: var(--text-lg);
  color: var(--color-text-sec);
  margin-bottom: var(--space-6);
  position: relative;
}
.final-cta .btn {
  position: relative;
}
.final-cta__email {
  margin-top: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  position: relative;
}
.final-cta__email a {
  color: var(--color-text-sec);
}

/* --- FOOTER --- */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-lt);
  padding: var(--space-7) 0 var(--space-6);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-7);
  margin-bottom: var(--space-7);
}
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text);
}
.footer__logo svg {
  width: 28px;
  height: 28px;
}
.footer__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 320px;
  line-height: 1.5;
}
.footer__col-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer__links a:hover {
  color: var(--color-text);
}
.footer__bottom {
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border-lt);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}
.footer__legal {
  max-width: 500px;
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* --- STICKY MOBILE CTA --- */
.sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  padding: var(--space-3) var(--space-4);
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border-lt);
}
.sticky-cta .btn {
  width: 100%;
}

@media (max-width: 768px) {
  .sticky-cta {
    display: block;
  }
  /* Add bottom padding to body for sticky CTA */
  body {
    padding-bottom: 72px;
  }
}

/* --- SCROLL REVEAL ANIMATION --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
/* Stagger children */
.reveal-stagger > .reveal:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger > .reveal:nth-child(2) { transition-delay: 100ms; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: 200ms; }
.reveal-stagger > .reveal:nth-child(4) { transition-delay: 300ms; }
.reveal-stagger > .reveal:nth-child(5) { transition-delay: 400ms; }
.reveal-stagger > .reveal:nth-child(6) { transition-delay: 500ms; }

/* Chat bubble entrance */
.bubble.reveal {
  transform: translateY(12px) scale(0.97);
}
.bubble.reveal.visible {
  transform: translateY(0) scale(1);
}

/* --- REDUCED MOTION --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .invoice-card {
    transform: none;
  }
}