/* ================================================================
   BIIO.AR LANDING PAGE - Design System & Styles
   Neo-professional dark theme with teal accent
   ================================================================ */

/* ===== CUSTOM PROPERTIES / TOKENS ===== */
:root {
  /* Brand Colors */
  --biio-dark: #0a1628;
  --biio-dark-deep: #060e1a;
  --biio-dark-elevated: #0f1d32;
  --biio-dark-surface: #142440;
  --biio-teal: #00b4a0;
  --biio-teal-bright: #00d4bc;
  --biio-teal-dim: #008f7f;
  --biio-navy: #1a3a5c;
  --biio-navy-light: #234b72;

  /* Text */
  --text-primary: #f0f4f8;
  --text-secondary: #8b9cb5;
  --text-muted: #5a6d85;
  --text-accent: var(--biio-teal);

  /* Borders */
  --border-subtle: rgba(255,255,255,0.06);
  --border-medium: rgba(255,255,255,0.1);
  --border-teal: rgba(0,180,160,0.25);

  /* Shadows */
  --shadow-card: 0 8px 32px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 40px rgba(0,180,160,0.15);
  --shadow-cta: 0 4px 24px rgba(0,180,160,0.3);

  /* Typography */
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-body: 'Albert Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Consolas', monospace;

  /* Spacing */
  --section-py: clamp(80px, 10vw, 120px);
  --container-max: 1400px;
  --container-px: clamp(20px, 5vw, 40px);

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 999px;

  /* Easing */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);

  /* Z-index scale */
  --z-nav: 100;
  --z-overlay: 50;
  --z-above: 10;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--biio-dark);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul, ol {
  list-style: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--biio-dark-deep);
}
::-webkit-scrollbar-thumb {
  background: var(--biio-navy);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--biio-teal-dim);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
}

p {
  color: var(--text-secondary);
  max-width: 65ch;
}

.text-accent {
  color: var(--biio-teal);
}

.text-gradient {
  background: linear-gradient(135deg, var(--biio-teal), var(--biio-teal-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== LAYOUT ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-px);
  padding-right: var(--container-px);
}

.container--wide {
  max-width: 1600px;
}

.section {
  padding-top: var(--section-py);
  padding-bottom: var(--section-py);
  position: relative;
}

.section__header {
  margin-bottom: clamp(40px, 6vw, 64px);
}

.section__header h2 {
  margin-bottom: 16px;
}

.section__header p {
  font-size: 1.125rem;
  max-width: 55ch;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out), background-color 0.25s var(--ease-out);
  white-space: nowrap;
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: var(--biio-teal);
  color: var(--biio-dark);
  box-shadow: var(--shadow-cta);
}

.btn--primary:hover {
  background: var(--biio-teal-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,180,160,0.4);
}

.btn--primary:active {
  transform: translateY(0) scale(0.98);
}

.btn--secondary {
  background: transparent;
  color: var(--biio-teal);
  border: 1px solid var(--border-teal);
}

.btn--secondary:hover {
  background: rgba(0,180,160,0.08);
  border-color: var(--biio-teal);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 18px 40px;
  font-size: 1.1rem;
}

.btn--whatsapp {
  background: #25d366;
  color: #fff;
}

.btn--whatsapp:hover {
  background: #20bd5a;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(37,211,102,0.3);
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  z-index: var(--z-nav);
  transition: background-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.nav--scrolled {
  background: rgba(10,22,40,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border-subtle);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.nav__logo span {
  color: var(--biio-teal);
  font-weight: 600;
}

.nav__links {
  display: flex;
  gap: 32px;
}

.nav__links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s ease;
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--biio-teal);
  transition: width 0.3s var(--ease-out);
}

.nav__links a:hover {
  color: var(--text-primary);
}

.nav__links a:hover::after {
  width: 100%;
}

.nav__cta {
  padding: 10px 24px;
  font-size: 0.875rem;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}

.nav__hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__mobile {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10,22,40,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: var(--z-overlay);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.nav__mobile.is-open {
  display: flex;
}

.nav__mobile a {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ===== HERO ===== */
.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(ellipse, rgba(0,180,160,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero__bg::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(ellipse, rgba(26,58,92,0.3) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content {
  padding-right: 24px;
}

.hero__title {
  margin-bottom: 20px;
  line-height: 1.08;
}

.hero__sub {
  font-size: 1.2rem;
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 48ch;
}

.hero__actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero__phone {
  max-height: 520px;
  width: auto;
  border-radius: var(--radius-xl);
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 24px 48px rgba(0,0,0,0.4));
}

.hero__phone-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(0,180,160,0.12) 0%, transparent 65%);
  z-index: 1;
  pointer-events: none;
}

/* ===== STATS BAR ===== */
.stats {
  position: relative;
  z-index: 2;
  padding: 40px 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.stats__item {
  background: var(--biio-dark-elevated);
  padding: 28px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.stats__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(0,180,160,0.1);
  color: var(--biio-teal);
  font-size: 1.25rem;
}

.stats__value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stats__label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ===== WHY SECTION ===== */
.why {
  background: var(--biio-dark);
}

.why__pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 64px;
}

.pillar {
  padding: 32px 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--biio-dark-elevated);
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.pillar:hover {
  border-color: var(--border-teal);
  transform: translateY(-4px);
}

.pillar__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(0,180,160,0.1);
  color: var(--biio-teal);
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.pillar__title {
  margin-bottom: 10px;
}

.pillar__text {
  font-size: 0.9375rem;
  line-height: 1.6;
}

.benefits__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.benefit {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  transition: border-color 0.3s var(--ease-out);
}

.benefit:hover {
  border-color: var(--border-teal);
}

.benefit__icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(0,180,160,0.08);
  color: var(--biio-teal);
  font-size: 1rem;
}

.benefit__title {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

.benefit__text {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== CENTRALIZE SECTION ===== */
.centralize {
  background: var(--biio-dark-deep);
}

.centralize__diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
}

.centralize__sources,
.centralize__outputs {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.centralize__node {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--biio-dark-elevated);
  font-weight: 500;
  font-size: 0.9375rem;
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.centralize__node:hover {
  border-color: var(--border-teal);
  transform: translateX(4px);
}

.centralize__outputs .centralize__node:hover {
  transform: translateX(-4px);
}

.centralize__node-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1rem;
  flex-shrink: 0;
}

.centralize__node-icon--fb { background: rgba(66,103,178,0.15); color: #4267B2; }
.centralize__node-icon--ig { background: rgba(225,48,108,0.15); color: #E1306C; }
.centralize__node-icon--tk { background: rgba(255,255,255,0.08); color: #fff; }
.centralize__node-icon--gg { background: rgba(66,133,244,0.15); color: #4285F4; }
.centralize__node-icon--qr { background: rgba(0,180,160,0.15); color: var(--biio-teal); }
.centralize__node-icon--wa { background: rgba(37,211,102,0.15); color: #25D366; }
.centralize__node-icon--ph { background: rgba(0,180,160,0.15); color: var(--biio-teal); }
.centralize__node-icon--mp { background: rgba(234,67,53,0.15); color: #EA4335; }
.centralize__node-icon--lc { background: rgba(255,193,7,0.15); color: #FFC107; }

.centralize__hub {
  width: 180px;
  height: 320px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--biio-teal), var(--biio-teal-dim));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--biio-dark);
  position: relative;
  box-shadow: var(--shadow-glow), 0 16px 48px rgba(0,180,160,0.2);
}

.centralize__hub-icon {
  font-size: 2rem;
}

.centralize__hub-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  line-height: 1.2;
}

.centralize__hub-sub {
  font-size: 0.75rem;
  opacity: 0.8;
  text-align: center;
}

.centralize__arrows {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.centralize__arrow {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--biio-teal-dim), var(--biio-teal));
  position: relative;
}

.centralize__arrow::after {
  content: '';
  position: absolute;
  right: -4px;
  top: 50%;
  transform: translateY(-50%);
  border-left: 6px solid var(--biio-teal);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
}

/* ===== SELLS 24/7 (BENTO) ===== */
.sells {
  background: var(--biio-dark);
}

.sells__bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.bento-tile {
  background: var(--biio-dark-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  padding: 28px 24px;
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
  overflow: hidden;
  position: relative;
}

.bento-tile:hover {
  border-color: var(--border-teal);
  transform: translateY(-2px);
}

.bento-tile--span-8 { grid-column: span 8; }
.bento-tile--span-6 { grid-column: span 6; }
.bento-tile--span-4 { grid-column: span 4; }
.bento-tile--span-12 { grid-column: span 12; }

.bento-tile--highlight {
  background: linear-gradient(135deg, rgba(0,180,160,0.08), rgba(0,180,160,0.02));
  border-color: var(--border-teal);
}

.bento-tile__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(0,180,160,0.1);
  color: var(--biio-teal);
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.bento-tile__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.bento-tile__text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.bento-tile__list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bento-tile__list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.bento-tile__list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--biio-teal);
  flex-shrink: 0;
}

.bento-tile--conversion {
  background: linear-gradient(135deg, var(--biio-dark-surface), var(--biio-dark-elevated));
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.bento-tile--conversion .bento-tile__title {
  font-size: 1.25rem;
  line-height: 1.3;
}

.bento-tile--conversion .text-accent {
  font-size: 1.5rem;
  display: block;
  margin-top: 4px;
}

/* ===== CASE STUDIES ===== */
.cases {
  background: var(--biio-dark-deep);
  overflow: hidden;
}

.cases__track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 8px;
}

.cases__track::-webkit-scrollbar {
  display: none;
}

.case-card {
  flex: 0 0 calc(50% - 12px);
  min-width: 420px;
  scroll-snap-align: start;
  background: var(--biio-dark-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  transition: border-color 0.3s var(--ease-out);
}

.case-card:hover {
  border-color: var(--border-teal);
}

.case-card__header {
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.case-card__brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.case-card__url {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--biio-teal);
  background: rgba(0,180,160,0.08);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.case-card__body {
  padding: 28px;
}

.case-card__problem,
.case-card__solution {
  margin-bottom: 20px;
}

.case-card__label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.case-card__label--before {
  color: #f87171;
}

.case-card__label--after {
  color: var(--biio-teal);
}

.case-card__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.case-card__results {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.case-card__stat {
  text-align: center;
  padding: 12px 8px;
  border-radius: var(--radius-sm);
  background: rgba(0,180,160,0.05);
}

.case-card__stat-value {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--biio-teal);
}

.case-card__stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.case-card__quote {
  margin-top: 20px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: rgba(0,180,160,0.05);
  border-left: 3px solid var(--biio-teal);
}

.case-card__quote-text {
  font-size: 0.875rem;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.6;
}

.case-card__quote-author {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.cases__nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.cases__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--biio-navy);
  border: none;
  cursor: pointer;
  transition: background 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.cases__dot.is-active {
  background: var(--biio-teal);
  transform: scale(1.2);
}

/* ===== TRUST SECTION ===== */
.trust {
  background: var(--biio-dark);
}

.trust__grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 48px;
  align-items: center;
}

.trust__content h2 {
  margin-bottom: 20px;
}

.trust__content > p {
  margin-bottom: 32px;
}

.trust__items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.trust__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--biio-dark-elevated);
  border: 1px solid var(--border-subtle);
}

.trust__item-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(0,180,160,0.1);
  color: var(--biio-teal);
  font-size: 1.125rem;
}

.trust__item-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-primary);
}

.trust__item-text {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.trust__visual {
  text-align: center;
}

.trust__cta-box {
  background: linear-gradient(135deg, rgba(0,180,160,0.1), rgba(0,180,160,0.03));
  border: 1px solid var(--border-teal);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
}

.trust__cta-box h3 {
  margin-bottom: 8px;
}

.trust__cta-box p {
  margin: 0 auto 24px;
  font-size: 0.9375rem;
}

/* ===== WORK SYSTEM TIMELINE ===== */
.work {
  background: var(--biio-dark-deep);
}

.work__timeline {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  position: relative;
}

.work__timeline::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(100% / 12);
  right: calc(100% / 12);
  height: 2px;
  background: linear-gradient(90deg, var(--biio-teal-dim), var(--biio-teal), var(--biio-teal-dim));
  z-index: 1;
}

.work__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 2;
}

.work__step-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--biio-dark-elevated);
  border: 2px solid var(--biio-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  transition: border-color 0.3s var(--ease-out), background-color 0.3s var(--ease-out);
}

.work__step:hover .work__step-circle {
  border-color: var(--biio-teal);
  background: rgba(0,180,160,0.08);
}

.work__step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--biio-teal);
  position: absolute;
  top: -8px;
  background: var(--biio-dark-deep);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-teal);
}

.work__step-icon {
  color: var(--biio-teal);
  font-size: 1.5rem;
}

.work__step-title {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.work__step-text {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  max-width: 140px;
}

/* ===== ADMIN TYPES ===== */
.admin {
  background: var(--biio-dark);
  position: relative;
  overflow: hidden;
}

.admin::before {
  content: '';
  position: absolute;
  top: -40%;
  left: -15%;
  width: 50%;
  height: 120%;
  background: radial-gradient(ellipse, rgba(0,180,160,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.admin::after {
  content: '';
  position: absolute;
  bottom: -40%;
  right: -15%;
  width: 50%;
  height: 120%;
  background: radial-gradient(ellipse, rgba(26,58,92,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.admin__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.admin-card {
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--biio-dark-elevated);
  transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.admin-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-teal);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.admin-card--featured {
  border-color: var(--biio-teal);
  background: linear-gradient(180deg, rgba(0,180,160,0.08), var(--biio-dark-elevated));
  box-shadow: 0 0 50px rgba(0,180,160,0.08);
}

.admin-card--featured::before {
  content: 'Popular';
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--biio-teal);
  color: var(--biio-dark);
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.admin-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(0,180,160,0.1);
  color: var(--biio-teal);
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.admin-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.admin-card__subtitle {
  font-size: 0.875rem;
  color: var(--biio-teal);
  font-weight: 500;
  margin-bottom: 20px;
}

.admin-card__features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.admin-card__feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.admin-card__check {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0,180,160,0.15);
  color: var(--biio-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  margin-top: 2px;
}

.admin-card__ideal {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(0,180,160,0.05);
  border: 1px solid var(--border-teal);
}

.admin-card__ideal-label {
  font-size: 0.75rem;
  color: var(--biio-teal);
  font-weight: 600;
  margin-bottom: 4px;
}

.admin-card__ideal-text {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* ===== CTA FINAL ===== */
.cta-final {
  background: linear-gradient(135deg, var(--biio-dark-surface), var(--biio-dark));
  position: relative;
  overflow: hidden;
}

.cta-final::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--biio-teal), transparent);
}

.cta-final__inner {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-final__inner h2 {
  margin-bottom: 16px;
}

.cta-final__inner > p {
  font-size: 1.125rem;
  margin: 0 auto 32px;
}

.cta-final__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-final__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(0,180,160,0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--biio-dark-deep);
  padding: 48px 0 24px;
  border-top: 1px solid var(--border-subtle);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.footer__logo span {
  color: var(--biio-teal);
  font-weight: 600;
}

.footer__tagline {
  font-size: 0.9375rem;
  color: var(--text-muted);
  max-width: 32ch;
}

.footer__heading {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer__links a:hover {
  color: var(--biio-teal);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.footer__copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer__socials {
  display: flex;
  gap: 16px;
}

.footer__social {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.footer__social:hover {
  border-color: var(--biio-teal);
  color: var(--biio-teal);
}

/* ===== PRICING ===== */
.pricing {
  background: var(--biio-dark-deep);
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}

.pricing-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(20px, 3vw, 40px);
  margin-bottom: clamp(32px, 5vw, 56px);
}

.pricing-banner__text {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.5;
  color: var(--text-secondary);
  flex: 1;
}

.pricing-banner__text strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.pricing-banner__normal {
  display: flex;
  flex-direction: column;
  text-align: right;
  margin-right: clamp(10px, 2vw, 24px);
}

.normal-lbl {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  line-height: 1;
  margin-bottom: 4px;
}

.normal-val {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 700;
  color: var(--text-muted);
  line-height: 1;
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  text-decoration-color: rgba(255,255,255,0.2);
}

.pricing-banner__promo {
  background: linear-gradient(135deg, #0d5e2a 0%, #117d38 100%);
  border: 1px solid rgba(0, 255, 170, 0.2);
  border-radius: var(--radius-xl);
  padding: clamp(16px, 2vw, 24px) clamp(20px, 3vw, 32px);
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 32px);
  color: #fff;
  box-shadow: 0 12px 32px rgba(17, 125, 56, 0.25), inset 0 1px 0 rgba(255,255,255,0.1);
}

.promo-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.promo-title {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  font-weight: 700;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.promo-sub {
  font-size: clamp(0.7rem, 1vw, 0.8rem);
  line-height: 1.2;
  opacity: 0.9;
}

.promo-price-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.promo-now {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 1.5vw, 1.5rem);
  font-weight: 700;
  color: #e5ff00;
  line-height: 1;
  margin-bottom: 4px;
}

.promo-price {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.75rem);
  font-weight: 800;
  color: #e5ff00;
  line-height: 0.9;
  text-shadow: 0 2px 10px rgba(229, 255, 0, 0.2);
  margin-bottom: 2px;
}

.promo-period {
  font-size: clamp(0.7rem, 1vw, 0.75rem);
  color: #fff;
  opacity: 0.8;
  line-height: 1.2;
}

.promo-countdown {
  display: flex;
  gap: 8px;
}

.cd-box {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255,255,255,0.1);
  color: #fff;
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 700;
  width: clamp(44px, 5vw, 56px);
  height: clamp(48px, 5vw, 64px);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
  line-height: 1;
}

.cd-label {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  margin-top: 2px;
}

/* Big Dark Feature Box */
.pricing-features-container {
  background: linear-gradient(180deg, #0a0e14 0%, var(--biio-dark-elevated) 100%);
  border: 1px solid rgba(0, 180, 160, 0.3);
  border-radius: clamp(24px, 4vw, 40px);
  padding: clamp(32px, 5vw, 64px);
  display: flex;
  gap: clamp(32px, 5vw, 64px);
  position: relative;
  box-shadow: 0 0 80px rgba(0, 180, 160, 0.08), 0 24px 64px rgba(0, 0, 0, 0.4);
}

.pricing-features__left {
  flex: 1;
}

.pricing-features__list {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2vw, 24px);
}

.pricing-features__list li {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: clamp(0.9375rem, 1.2vw, 1.0625rem);
  color: var(--text-primary);
  font-weight: 500;
}

.pricing-features__list li i {
  color: var(--biio-teal);
  font-size: 1.5rem;
  background: rgba(0, 180, 160, 0.1);
  border-radius: 50%;
  padding: 6px;
}

.pricing-features__right {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.bento-item {
  background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.bento-item:hover {
  border-color: rgba(0,180,160,0.3);
  background: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}

.bento-item i {
  color: var(--biio-teal);
  font-size: 1.25rem;
}

.nico-guide {
  background: linear-gradient(90deg, rgba(0,180,160,0.08) 0%, rgba(0,180,160,0.02) 100%);
  border: 1px solid var(--biio-teal);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.nico-avatar {
  width: 72px;
  height: 72px;
  background: var(--biio-teal) url('../img/nico.jpg') center/cover;
  border: 2px solid var(--biio-teal);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 24px rgba(0, 180, 160, 0.4);
}

.nico-text {
  font-size: clamp(0.9375rem, 1.2vw, 1rem);
  line-height: 1.5;
  color: var(--text-primary);
}

.pricing-action {
  margin-top: auto;
  display: flex;
  justify-content: center;
  width: 100%;
}

.pricing-action .btn {
  width: 100%;
  max-width: 320px;
  justify-content: center;
  padding: 20px 32px;
  font-size: 1.125rem;
  font-weight: 700;
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(255,255,255,0.1);
  transition: all 0.3s ease;
}

.pricing-action .btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(255,255,255,0.2);
}

.btn--white {
  background: #fff;
  color: #000;
  border-radius: var(--radius-md);
}

.btn--white:hover {
  background: #f0f0f0;
}

@media (max-width: 1024px) {
  .pricing-banner {
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
    gap: 24px;
  }
  .pricing-banner__text {
    flex: 1 1 100%;
  }
  .pricing-banner__normal {
    text-align: center;
    margin-right: 0;
  }
  .pricing-banner__promo {
    flex-wrap: wrap;
    justify-content: center;
  }
  .pricing-features-container {
    flex-direction: column;
    padding: 40px 32px;
  }
  .pricing-action {
    margin-top: 24px;
  }
}

@media (max-width: 768px) {
  .pricing-banner__promo {
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
  }
  .promo-info, .promo-price-wrap {
    align-items: center;
  }
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .nico-guide {
    flex-direction: column;
    text-align: center;
  }
}


/* ===== FLOATING WHATSAPP FAB ===== */
.fab-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  z-index: var(--z-overlay);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
  opacity: 0;
  transform: scale(0.8) translateY(20px);
}

.fab-whatsapp.is-visible {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.fab-whatsapp:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 32px rgba(37,211,102,0.5);
}

.fab-whatsapp::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(37,211,102,0.3);
  animation: fabPulse 2s ease-in-out infinite;
}

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

/* ===== ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.06s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.12s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.18s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 0.24s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 0.30s; }
.reveal-stagger.is-visible > *:nth-child(7) { transition-delay: 0.36s; }
.reveal-stagger.is-visible > *:nth-child(8) { transition-delay: 0.42s; }

.reveal-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* Hero-specific entry animation */
.hero__content {
  opacity: 0;
  transform: translateY(32px);
  animation: heroFadeIn 0.8s var(--ease-out) 0.2s forwards;
}

.hero__visual {
  opacity: 0;
  transform: translateY(32px);
  animation: heroFadeIn 0.8s var(--ease-out) 0.4s forwards;
}

@keyframes heroFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Subtle float for hero phone */
@keyframes subtleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero__phone {
  animation: subtleFloat 4s ease-in-out infinite;
  animation-delay: 1.2s;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero__content {
    padding-right: 0;
  }

  .hero__sub {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__phone {
    max-height: 400px;
  }

  .why__pillars {
    grid-template-columns: 1fr;
  }

  .benefits__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .centralize__diagram {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .centralize__sources,
  .centralize__outputs {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .centralize__hub {
    margin: 0 auto;
    width: 90%;
    max-width: 450px;
    height: 180px;
  }

  .sells__bento {
    grid-template-columns: repeat(6, 1fr);
  }

  .bento-tile--span-8 { grid-column: span 6; }
  .bento-tile--span-4 { grid-column: span 6; }

  .trust__grid {
    grid-template-columns: 1fr;
  }

  .work__timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .work__timeline::before {
    display: none;
  }

  .admin__grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

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

  .nav__hamburger {
    display: flex;
  }

  h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  h2 {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }

  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .benefits__grid {
    grid-template-columns: 1fr;
  }

  .sells__bento {
    grid-template-columns: 1fr;
  }

  .bento-tile--span-8,
  .bento-tile--span-6,
  .bento-tile--span-4 {
    grid-column: span 1;
  }

  .case-card {
    flex: 0 0 calc(100% - 32px);
    min-width: 300px;
  }

  .work__timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

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

  .work__timeline {
    grid-template-columns: 1fr;
  }

  .centralize__sources,
  .centralize__outputs {
    flex-direction: column;
  }
}

/* ===== ENERGY FLOW EFFECT (Desktop Only) ===== */
@media (min-width: 993px) {
  .centralize__node {
    position: relative;
    z-index: 2;
  }
  
  .centralize__sources .centralize__node::after,
  .centralize__outputs .centralize__node::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 24px;
    height: 4px;
    border-radius: 4px;
    background: var(--biio-teal-bright);
    box-shadow: 0 0 12px 2px var(--biio-teal);
    z-index: 0;
    opacity: 0;
  }
  
  .centralize__sources .centralize__node::after {
    right: -32px;
    animation: energy-flow-right 2.5s infinite cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  .centralize__outputs .centralize__node::before {
    left: -32px;
    animation: energy-flow-right 2.5s infinite cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  @keyframes energy-flow-right {
    0% {
      transform: translateY(-50%) translateX(-15px) scaleX(0.5);
      opacity: 0;
    }
    20% {
      opacity: 1;
    }
    80% {
      opacity: 1;
    }
    100% {
      transform: translateY(-50%) translateX(15px) scaleX(1.5);
      opacity: 0;
    }
  }
  
  /* Staggering the energy particles for a continuous flow feel */
  .centralize__sources .centralize__node:nth-child(1)::after { animation-delay: 0s; }
  .centralize__sources .centralize__node:nth-child(2)::after { animation-delay: 0.4s; }
  .centralize__sources .centralize__node:nth-child(3)::after { animation-delay: 0.8s; }
  .centralize__sources .centralize__node:nth-child(4)::after { animation-delay: 1.2s; }
  .centralize__sources .centralize__node:nth-child(5)::after { animation-delay: 1.6s; }
  
  .centralize__outputs .centralize__node:nth-child(1)::before { animation-delay: 0.2s; }
  .centralize__outputs .centralize__node:nth-child(2)::before { animation-delay: 0.6s; }
  .centralize__outputs .centralize__node:nth-child(3)::before { animation-delay: 1.0s; }
  .centralize__outputs .centralize__node:nth-child(4)::before { animation-delay: 1.4s; }

  /* Hub pulsing effect */
  .centralize__hub {
    animation: hub-pulse 2.5s infinite ease-in-out;
  }
  
  @keyframes hub-pulse {
    0% { box-shadow: var(--shadow-glow), 0 16px 48px rgba(0,180,160,0.2); }
    50% { box-shadow: 0 0 40px 5px rgba(0,212,188,0.3), 0 16px 48px rgba(0,180,160,0.2); transform: scale(1.02); }
    100% { box-shadow: var(--shadow-glow), 0 16px 48px rgba(0,180,160,0.2); }
  }
}

/* ===== ENERGY FLOW EFFECT (Mobile) ===== */
@media (max-width: 992px) {
  .centralize__node {
    position: relative;
    z-index: 2;
  }
  
  .centralize__sources .centralize__node::after,
  .centralize__outputs .centralize__node::before {
    content: '';
    position: absolute;
    left: 50%;
    width: 4px;
    height: 24px;
    border-radius: 4px;
    background: var(--biio-teal-bright);
    box-shadow: 0 0 12px 2px var(--biio-teal);
    z-index: 0;
    opacity: 0;
  }
  
  .centralize__sources .centralize__node::after {
    bottom: -32px;
    animation: energy-flow-down 2.5s infinite cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  .centralize__outputs .centralize__node::before {
    top: -32px;
    animation: energy-flow-down 2.5s infinite cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  @keyframes energy-flow-down {
    0% {
      transform: translateX(-50%) translateY(-15px) scaleY(0.5);
      opacity: 0;
    }
    20% {
      opacity: 1;
    }
    80% {
      opacity: 1;
    }
    100% {
      transform: translateX(-50%) translateY(15px) scaleY(1.5);
      opacity: 0;
    }
  }

  .centralize__sources .centralize__node:nth-child(1)::after { animation-delay: 0s; }
  .centralize__sources .centralize__node:nth-child(2)::after { animation-delay: 0.4s; }
  .centralize__sources .centralize__node:nth-child(3)::after { animation-delay: 0.8s; }
  .centralize__sources .centralize__node:nth-child(4)::after { animation-delay: 1.2s; }
  .centralize__sources .centralize__node:nth-child(5)::after { animation-delay: 1.6s; }
  
  .centralize__outputs .centralize__node:nth-child(1)::before { animation-delay: 0.2s; }
  .centralize__outputs .centralize__node:nth-child(2)::before { animation-delay: 0.6s; }
  .centralize__outputs .centralize__node:nth-child(3)::before { animation-delay: 1.0s; }
  .centralize__outputs .centralize__node:nth-child(4)::before { animation-delay: 1.4s; }
  
  .centralize__hub {
    animation: hub-pulse 2.5s infinite ease-in-out;
  }
}

/* ===== 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;
  }

  .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }

  .hero__content,
  .hero__visual {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .hero__phone {
    animation: none;
  }
}
/* ===== CLIENTS CAROUSEL ===== */
.clients-carousel {
  position: relative;
  overflow: hidden;
  padding: 80px 0;
  background: var(--bg-color);
}

.carousel-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.carousel-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 20px 0;
  width: 100%;
}

.carousel-track::-webkit-scrollbar {
  display: none;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(10,11,16, 0.9);
  border: 1px solid var(--biio-teal);
  color: var(--biio-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  backdrop-filter: blur(10px);
}

.carousel-btn:hover {
  background: var(--biio-teal);
  color: #fff;
  transform: translateY(-50%) scale(1.1);
}

.carousel-btn--prev { left: -24px; }
.carousel-btn--next { right: -24px; }

/* Existing card styles from the user's provided code need to be adapted */
.template-card {
  flex: 0 0 320px;
  scroll-snap-align: center;
  background: linear-gradient(180deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.template-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent, var(--biio-teal));
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.card-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
}

.card-header {
  display: flex;
  justify-content: flex-start;
}

.card-category-badge {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  padding: 4px 12px;
  border-radius: 100px;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.2);
}

.card-logo-showcase {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius-md);
  padding: 16px;
  border: 1px solid rgba(255,255,255,0.05);
}

.card-logo-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.template-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.template-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.btn-view-template {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  background: rgba(255,255,255,0.05);
  color: #fff;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  margin-top: auto;
  border: 1px solid rgba(255,255,255,0.1);
}

.btn-view-template:hover {
  background: var(--accent, var(--biio-teal));
  border-color: var(--accent, var(--biio-teal));
  color: #111;
}

@media (max-width: 768px) {
  .carousel-btn { display: none; }
  .carousel-track { padding: 10px 20px; gap: 16px; }
  .template-card { flex: 0 0 280px; }
}

/* ===== FAQ SECTION ===== */
.faq {
  background: var(--biio-dark-deep);
}

.faq__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .faq__list {
    grid-template-columns: repeat(2, 1fr);
    align-items: start;
  }
}

.faq__item {
  background: var(--biio-dark-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.3s var(--ease-out);
}

.faq__item:hover {
  border-color: var(--border-teal);
}

.faq__item[open] {
  border-color: var(--biio-teal);
}

.faq__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
  list-style: none; /* Hide default arrow */
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question i {
  color: var(--biio-teal);
  transition: transform 0.3s var(--ease-out);
}

.faq__item[open] .faq__question i {
  transform: rotate(180deg);
}

.faq__answer {
  padding: 0 24px 24px;
  color: var(--text-secondary);
  line-height: 1.6;
}