@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Primary / Brand */
  --color-primary: #4F46E5;
  --color-primary-dark: #4338CA;
  --color-primary-darker: #3730A3;
  --color-primary-light: #6366F1;

  /* Secondary / Soft Accent */
  --color-secondary-light: #F3F0FF;
  --color-secondary: #EEF2FF;

  /* CTA / Conversion */
  --color-cta: #01875F;
  --color-cta-hover: #016B4C;
  --color-highlight: #F59E0B;

  /* Neutrals */
  --color-text: #0F172A;
  --color-text-muted: #475569;
  --color-text-light: #94A3B8;
  --color-bg: #F8FAFC;
  --color-white: #FFFFFF;
  --color-border: #E2E8F0;

  /* Typography */
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --container-max: 1200px;
  --section-padding: 4rem 1.5rem;
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(79, 70, 229, 0.15);
  --shadow-xl: 0 20px 60px rgba(79, 70, 229, 0.2);

  /* Transitions */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 1. Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
}

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

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

/* 2. Typography */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.2rem, 4vw + 1rem, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.8rem, 3vw + 0.5rem, 2.5rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.3rem, 2vw + 0.5rem, 1.8rem);
}

.section__title {
  text-align: center;
  margin-bottom: 1.5rem;
  position: relative;
  display: block;
  width: 100%;
}

.section__title::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-highlight));
  border-radius: 2px;
}

.section__subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto 3rem;
}

/* 3. Container & Layout */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: var(--section-padding);
}

/* 4. Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition), box-shadow var(--transition);
}

.navbar--scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
}

.navbar__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-primary-dark);
}

.navbar__brand img {
  height: 32px;
  width: 32px;
  border-radius: 6px;
}

.navbar__menu {
  display: none;
}

.navbar__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  margin-bottom: 5px;
  transition: var(--transition);
  border-radius: 2px;
}

.navbar__toggle span:last-child {
  margin-bottom: 0;
}

/* Mobile Menu Open State */
.navbar__menu--open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 72px;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid var(--color-border);
  animation: slideDown 0.3s ease forwards;
  gap: 1.5rem;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.navbar__link {
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  transition: color var(--transition);
  padding: 0.5rem 0;
}

.navbar__link:hover {
  color: var(--color-primary);
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition);
}

.navbar__link:hover::after {
  width: 100%;
}

.navbar__cta {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 0.625rem 1.25rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: all var(--transition);
  text-align: center;
}

.navbar__cta:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* 5. Hero */
.hero {
  padding-top: calc(72px + 4rem);
  padding-bottom: 4rem;
  overflow: hidden;
  position: relative;
}

.hero__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 3rem;
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  max-width: 800px;
}

.hero__headline {
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.hero__subheadline {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
}

.hero__badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--color-cta);
  color: var(--color-white);
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius-lg);
  font-weight: 700;
  font-size: 1.125rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
}

.hero__badge svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.hero__badge:hover {
  background-color: var(--color-cta-hover);
  transform: scale(1.02) translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.hero__microcopy {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}

.hero__microcopy span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.hero__microcopy svg {
  width: 16px;
  height: 16px;
  color: var(--color-cta);
}

.hero__visual {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.hero__phone-mockup {
  width: 280px;
  height: 560px;
  background-color: #1e1e24;
  border-radius: 40px;
  position: relative;
  box-shadow: var(--shadow-xl);
  border: 8px solid #111;
  overflow: hidden;
  animation: float 3s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.hero__phone-mockup::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 25px;
  background-color: #111;
  border-bottom-left-radius: 16px;
  border-bottom-right-radius: 16px;
  z-index: 10;
}

.hero__phone-inner {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #EEF2FF 0%, #F8FAFC 100%);
  border-radius: 32px;
  position: relative;
  overflow: hidden;
}

.hero__phone-screen {
  position: absolute;
  top: 28px;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  padding: 0.875rem;
  gap: 0.65rem;
  font-size: 0.75rem;
  text-align: left;
  overflow: hidden;
}

.phone-app-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0.6rem;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 10px;
  border: 1px solid var(--color-border);
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

.phone-app-title {
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--color-primary-dark);
}

.phone-status-pill {
  font-size: 0.625rem;
  font-weight: 700;
  color: #059669;
  background: #D1FAE5;
  padding: 0.15rem 0.45rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.phone-order-card {
  background: linear-gradient(135deg, #4338CA, #4F46E5);
  color: white;
  border-radius: 14px;
  padding: 0.75rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.phone-order-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.65rem;
  opacity: 0.9;
}

.phone-order-customer {
  font-weight: 700;
  font-size: 0.85rem;
}

.phone-order-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 0.25rem;
}

.phone-order-total {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.phone-order-badge {
  background: rgba(255, 255, 255, 0.25);
  font-size: 0.625rem;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  font-weight: 700;
}

.phone-items-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.phone-item-row {
  background: white;
  border-radius: 10px;
  padding: 0.5rem 0.65rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--color-border);
}

.phone-item-name {
  font-weight: 700;
  color: var(--color-text);
  font-size: 0.72rem;
}

.phone-item-sub {
  font-size: 0.625rem;
  color: var(--color-text-muted);
}

.phone-item-price {
  font-weight: 700;
  color: var(--color-primary-dark);
  font-size: 0.72rem;
}

.phone-print-btn {
  background: #01875F;
  color: white;
  font-weight: 700;
  font-size: 0.72rem;
  padding: 0.55rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  box-shadow: 0 2px 8px rgba(1, 135, 95, 0.3);
}

.phone-status-tracker {
  background: white;
  border-radius: 8px;
  padding: 0.35rem 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.625rem;
  border: 1px solid var(--color-border);
}

.qr-code {
  display: none;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--color-white);
  padding: 0.5rem 0.875rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  position: relative;
  z-index: 10;
}

.qr-code img {
  width: 64px;
  height: 64px;
  border-radius: 6px;
  flex-shrink: 0;
}

.qr-code__text {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
  text-align: left;
}

/* 6. Hardware Section */
.hardware {
  background-color: var(--color-secondary-light);
}

.hardware__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.hardware__card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .hardware__card {
    padding: 2rem;
  }
}

.hardware__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.hardware__card-icon {
  width: 64px;
  height: 64px;
  background-color: var(--color-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
}

.hardware__card-icon svg {
  width: 32px;
  height: 32px;
}

.hardware__card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.hardware__card-desc {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

/* 6.5. How It Works / Steps Section */
.steps {
  background-color: var(--color-white);
  position: relative;
  padding: var(--section-padding);
}

.steps__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}

.steps__card {
  background-color: #F8FAFC;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  position: relative;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.steps__card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
  background-color: var(--color-white);
}

.steps__mock {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-height: 130px;
  justify-content: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

.steps__mock-dots {
  display: flex;
  gap: 4px;
  margin-bottom: 2px;
}

.steps__mock-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #CBD5E1;
}

.steps__mock-input {
  height: 20px;
  background-color: #F1F5F9;
  border: 1px solid #E2E8F0;
  border-radius: 6px;
}

.steps__mock-btn {
  height: 26px;
  background: var(--color-primary);
  color: white;
  border-radius: 6px;
  font-size: 0.68rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.steps__mock-btn--cta {
  background: #01875F;
}

.steps__mock-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.68rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.steps__mock-tag {
  color: var(--color-text-muted);
}

.steps__mock-ready {
  color: #059669;
  background: #D1FAE5;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.625rem;
}

.steps__mock-paid {
  color: #059669;
  font-weight: 700;
  font-size: 0.65rem;
}

.steps__mock-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  color: var(--color-text);
  padding: 0.15rem 0;
  border-bottom: 1px dashed #F1F5F9;
}

.steps__mock-item:last-of-type {
  border-bottom: none;
}

.steps__mock-total {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--color-text);
  padding-top: 0.25rem;
  border-top: 1px solid var(--color-border);
}

.steps__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.steps__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-secondary);
  color: var(--color-primary-dark);
  font-weight: 800;
  font-size: 0.875rem;
  padding: 0.25rem 0.6rem;
  border-radius: 8px;
}

.steps__badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: #059669;
  background-color: #D1FAE5;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
}

.steps__card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

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

/* 7. Features Section */
.features {
  background-color: var(--color-secondary-light);
}

.features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.features__card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary-light);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  transition: all var(--transition);
}

.features__card:hover {
  border-color: var(--color-border);
  border-left-color: var(--color-primary-dark);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.features__card-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-secondary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-primary);
  transition: background-color var(--transition);
}

.features__card:hover .features__card-icon {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.features__card-icon svg {
  width: 24px;
  height: 24px;
}

.features__card-title {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.features__card-desc {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Featured Highlight Card */
.features__card--highlight {
  background: linear-gradient(135deg, #FFFFFF 0%, #F5F3FF 100%);
  border: 2px solid #C7D2FE;
  border-left: 6px solid var(--color-primary);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.features__highlight-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--color-secondary);
  color: var(--color-primary-dark);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  margin-bottom: 0.75rem;
  align-self: flex-start;
}

.tracking-widget {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0.875rem 0.65rem;
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.06);
  width: 100%;
  box-sizing: border-box;
}

.tracking-timeline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  position: relative;
  width: 100%;
}

.tracking-timeline::before {
  content: '';
  position: absolute;
  top: 11px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: #E2E8F0;
  z-index: 1;
}

.tracking-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  position: relative;
  z-index: 2;
  flex: 1;
  min-width: 0;
  text-align: center;
}

.tracking-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #E2E8F0;
  color: var(--color-text-muted);
  font-size: 0.65rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid white;
  transition: all var(--transition);
  flex-shrink: 0;
}

.tracking-step--done .tracking-dot {
  background: #01875F;
  color: white;
}

.tracking-step--active .tracking-dot {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
  animation: pulseDot 1.6s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(1); }
  50% { transform: scale(1.12); }
  100% { transform: scale(1); }
}

.tracking-label {
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--color-text-muted);
  line-height: 1.2;
}

.tracking-step--active .tracking-label {
  color: var(--color-primary-dark);
  font-weight: 800;
}

.tracking-step--done .tracking-label {
  color: #01875F;
  font-weight: 700;
}

.tracking-info {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.72rem;
  background: #F8FAFC;
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  width: 100%;
  box-sizing: border-box;
}

.tracking-info-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 0.7rem;
}

.tracking-info-link {
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: 0.68rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: white;
  padding: 0.25rem 0.45rem;
  border-radius: 6px;
  border: 1px solid #E2E8F0;
  word-break: break-all;
}

@media (min-width: 640px) {
  .tracking-widget {
    padding: 1rem;
  }
  .tracking-dot {
    width: 26px;
    height: 26px;
    font-size: 0.7rem;
  }
  .tracking-timeline::before {
    top: 13px;
  }
  .tracking-label {
    font-size: 0.72rem;
  }
  .tracking-info {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* 7.1 Tactile & Bento Widgets (Anti-AI Slop) */

/* Hero Interactive Demo Selector */
.hero__demo-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
  z-index: 20;
}

.hero__demo-label {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.hero__demo-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  background: var(--color-white);
  padding: 0.25rem 0.35rem;
  border-radius: 9999px;
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  max-width: 100%;
}

.hero__demo-btn {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.35rem 0.7rem;
  border-radius: 9999px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  font-family: inherit;
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.hero__demo-btn:hover {
  color: var(--color-primary-dark);
}

.hero__demo-btn--active {
  background: var(--color-primary);
  color: var(--color-white) !important;
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.35);
}

/* Device Compatibility Preview */
.device-preview {
  background: #F8FAFC;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0.75rem;
  width: 100%;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  box-sizing: border-box;
}

.device-preview__status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.device-preview__status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: #D1FAE5;
  color: #059669;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.15rem 0.45rem;
  border-radius: 9999px;
  white-space: nowrap;
}

.device-preview__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.device-preview__tag {
  background: var(--color-white);
  border: 1px solid #E2E8F0;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-text);
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
}

.device-preview__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem 0.5rem;
  border-top: 1px dashed var(--color-border);
  padding-top: 0.4rem;
  font-size: 0.68rem;
  color: var(--color-text-muted);
}

/* Realistic Thermal Receipt */
.thermal-receipt {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 8px 8px 0 0;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.68rem;
  color: #1E293B;
  padding: 0.85rem 0.85rem 0.6rem;
  position: relative;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  margin-bottom: 10px;
}

.thermal-receipt__tear {
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 8px;
  background: radial-gradient(circle, transparent 4px, #FFFFFF 4.5px);
  background-size: 10px 16px;
  background-position: 0 -8px;
  border-bottom: 1px solid transparent;
}

.thermal-receipt__header {
  text-align: center;
  margin-bottom: 0.4rem;
}

.thermal-receipt__brand {
  font-weight: 900;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.thermal-receipt__divider {
  border-bottom: 1px dashed #94A3B8;
  margin: 0.35rem 0;
}

.thermal-receipt__row {
  display: flex;
  justify-content: space-between;
  line-height: 1.4;
}

.thermal-receipt__total {
  font-weight: 900;
  font-size: 0.75rem;
}

.thermal-receipt__footer {
  text-align: center;
  font-size: 0.6rem;
  color: var(--color-text-muted);
  margin-top: 0.4rem;
}

/* WhatsApp Message Bubble */
.wa-preview {
  background: #EFEAE2;
  border-radius: 12px;
  padding: 0.85rem;
  border: 1px solid #E2E8F0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.wa-bubble {
  background: #E7FFDB;
  border-radius: 8px 8px 8px 2px;
  padding: 0.6rem 0.75rem;
  font-size: 0.72rem;
  color: #111B21;
  line-height: 1.4;
  position: relative;
  box-shadow: 0 1px 2px rgba(0,0,0,0.08);
}

.wa-bubble__header {
  font-weight: 800;
  color: #075E54;
  font-size: 0.7rem;
  margin-bottom: 0.2rem;
}

.wa-bubble__btn {
  display: block;
  background: #FFFFFF;
  border: 1px solid #C8E6C9;
  color: #075E54;
  font-weight: 700;
  font-size: 0.68rem;
  padding: 0.35rem;
  border-radius: 6px;
  text-align: center;
  margin-top: 0.4rem;
}

.wa-bubble__meta {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.58rem;
  color: #667781;
  margin-top: 0.2rem;
}

.wa-bubble__checks {
  color: #53BDEB;
  font-weight: 800;
}

/* Calculator Widget */
.calc-widget {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.calc-widget__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
}

.calc-widget__input {
  background: #F1F5F9;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.calc-widget__result {
  background: #D1FAE5;
  color: #059669;
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
  font-weight: 800;
  font-size: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Revenue & Kas Laci Widget */
.revenue-widget {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.revenue-chart {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  height: 60px;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid #F1F5F9;
}

.revenue-bar {
  flex: 1;
  background: var(--color-secondary);
  border-radius: 4px 4px 0 0;
  transition: all var(--transition);
  position: relative;
}

.revenue-bar--active {
  background: var(--color-primary);
}

.revenue-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.revenue-stat {
  background: #F8FAFC;
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
  font-size: 0.68rem;
}

.revenue-stat strong {
  display: block;
  font-size: 0.82rem;
  color: var(--color-text);
  margin-top: 0.1rem;
}

/* Stock Meter Widget */
.stock-widget {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.stock-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stock-item__header {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  font-weight: 700;
}

.stock-bar {
  height: 6px;
  background: #E2E8F0;
  border-radius: 9999px;
  overflow: hidden;
}

.stock-bar__fill {
  height: 100%;
  border-radius: 9999px;
}

.stock-bar__fill--good {
  background: #10B981;
}

.stock-bar__fill--low {
  background: #F59E0B;
}

/* 8. Why Mobile Section */
.why-mobile {
  background-color: var(--color-bg);
}

.why-mobile__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.why-mobile__card {
  background-color: var(--color-white);
  padding: 1.5rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.why-mobile__icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-highlight);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-mobile__icon svg {
  width: 20px;
  height: 20px;
}

.why-mobile__content {
  flex: 1;
}

.why-mobile__title {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.why-mobile__vs {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.why-mobile__old {
  color: var(--color-text-light);
  text-decoration: line-through;
}

.why-mobile__new {
  color: var(--color-primary-dark);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.why-mobile__new svg {
  width: 14px;
  height: 14px;
  color: var(--color-cta);
}

/* 9. CTA Banner */
.cta-banner {
  padding: 0 1.5rem;
  margin: 4rem 0;
}

.cta-banner__container {
  max-width: var(--container-max);
  margin: 0 auto;
  background: linear-gradient(135deg, var(--color-primary), #6D28D9);
  border-radius: var(--border-radius-xl);
  padding: 4rem 2rem;
  text-align: center;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-banner__container::before {
  content: '';
  position: absolute;
  top: -50px;
  left: -50px;
  width: 200px;
  height: 200px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.cta-banner__container::after {
  content: '';
  position: absolute;
  bottom: -100px;
  right: -50px;
  width: 300px;
  height: 300px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.cta-banner__content {
  position: relative;
  z-index: 10;
}

.cta-banner__title {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.cta-banner__subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-white);
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: 1.125rem;
  padding: 1rem 2.5rem;
  border-radius: var(--border-radius-lg);
  transition: all var(--transition);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  animation: pulse 2s infinite;
}

.cta-banner__btn:hover {
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
  animation: none;
}

/* 10. FAQ Section */
.faq {
  background-color: var(--color-white);
}

.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__item:last-child {
  border-bottom: none;
}

.faq__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 1.5rem 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color var(--transition);
}

.faq__question:hover {
  color: var(--color-primary);
}

.faq__question-text {
  padding-right: 1.5rem;
}

.faq__chevron {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.4s ease;
  flex-shrink: 0;
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease, opacity 0.4s ease;
  opacity: 0;
  color: var(--color-text-muted);
}

.faq__answer-inner {
  padding-bottom: 1.5rem;
}

.faq__item--active .faq__chevron {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq__item--active .faq__answer {
  max-height: 500px;
  opacity: 1;
}

/* 11. Footer */
.footer {
  background-color: #0F172A;
  color: var(--color-white);
  padding: 4rem 1.5rem 2rem;
}

.footer__container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.footer__content {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__brand {
  flex: 1;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.footer__logo img {
  height: 32px;
  width: 32px;
  border-radius: 6px;
}

.footer__desc {
  color: var(--color-text-light);
  max-width: 300px;
  margin-bottom: 1.5rem;
}

.footer__socials {
  display: flex;
  gap: 1rem;
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--color-white);
  transition: all var(--transition);
}

.footer__social-link:hover {
  background-color: var(--color-primary);
  transform: translateY(-2px);
}

.footer__social-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.footer__links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  flex: 2;
}

.footer__links-group h4 {
  color: var(--color-white);
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
}

.footer__links-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__link {
  color: var(--color-text-light);
  transition: color var(--transition);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* 12. Utility Classes */
.text-center {
  text-align: center;
}

.text-gradient {
  background: linear-gradient(90deg, var(--color-primary), var(--color-highlight));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1;
}

.badge svg {
  display: inline-block;
  flex-shrink: 0;
}

.badge--primary {
  background-color: var(--color-secondary-light);
  color: var(--color-primary-dark);
}

/* 13. Animations */
@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7); }
  70% { transform: scale(1.02); box-shadow: 0 0 0 10px rgba(255, 255, 255, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}

.animate-float {
  animation: float 3s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

/* 14. Responsive Breakpoints (Mobile-First) */

/* Tablet */
@media (min-width: 768px) {
  .steps__grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .features__card--highlight,
  .features__card--span2 {
    grid-column: span 2;
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }

  .footer__links-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .navbar__toggle {
    display: none;
  }

  .navbar__menu {
    display: flex;
    align-items: center;
    gap: 2rem;
  }

  .navbar__menu--open {
    display: flex;
    position: static;
    flex-direction: row;
    background: transparent;
    padding: 0;
    box-shadow: none;
    border: none;
    animation: none;
    width: auto;
  }

  .hero__container {
    flex-direction: row;
    text-align: left;
    justify-content: space-between;
  }

  .hero__content {
    align-items: flex-start;
    max-width: 50%;
  }

  .hero__cta-group {
    justify-content: flex-start;
  }

  .hero__visual {
    width: 45%;
    justify-content: flex-end;
  }

  .hero__phone-mockup {
    width: 320px;
    height: 640px;
  }

  .qr-code {
    display: flex;
  }

  .hardware__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .steps__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .features__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .features__card--highlight,
  .features__card--span2 {
    grid-column: span 2;
  }

  .why-mobile__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer__content {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Large Desktop */
@media (min-width: 1280px) {
  .hero {
    padding-top: calc(72px + 6rem);
    padding-bottom: 6rem;
  }

  .hero__content {
    max-width: 55%;
  }
}