/* ----- CSS Variables ----- */
:root {
  --color-primary:            rgb(147, 197, 114);
  --color-primary-dark:       rgb(95, 142, 74);
  --color-secondary:          rgb(240, 240, 240);
  --color-secondary-light:    rgb(247, 247, 247);
  --color-secondary-lighter:  rgba(252, 252, 251);
  --color-secondary-dark:     rgb(219, 215, 215);
  --color-red:                rgb(230, 110, 110);
  --color-red-light:          rgb(245, 180, 180);
  --color-red-dark:           rgb(180, 60, 60);
  --color-font:               rgb(31, 31, 31);
  --color-font-secondary:     rgb(100, 100, 100);
  --color-font-secondary-light: rgb(107, 114, 128);
  --color-yellow-light:       rgba(255, 255, 180, 0.3);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', ui-sans-serif, system-ui, -apple-system, sans-serif;
  color: var(--color-font);
  background-color: #fff;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ----- Typography ----- */
.font-display {
  font-family: 'Plus Jakarta Sans', ui-sans-serif, sans-serif;
  letter-spacing: -0.02em;
}

/* ----- Colors via CSS vars (Tailwind override) ----- */
.text-primary        { color: var(--color-primary); }
.text-primary-dark   { color: var(--color-primary-dark); }
.bg-primary          { background-color: var(--color-primary); }
.bg-primary-dark     { background-color: var(--color-primary-dark); }
.bg-secondary        { background-color: var(--color-secondary); }
.bg-secondary-light  { background-color: var(--color-secondary-light); }
.bg-secondary-lighter { background-color: var(--color-secondary-lighter); }
.border-primary      { border-color: var(--color-primary); }

/* ----- Buttons ----- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-primary);
  color: #fff;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 9999px;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  white-space: nowrap;
}
.btn-primary:hover {
  background-color: rgb(70, 110, 50);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(95,142,74,0.30);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: transparent;
  color: var(--color-font);
  font-weight: 600;
  padding: 0.7rem 1.6rem;
  border-radius: 9999px;
  text-decoration: none;
  border: 2px solid var(--color-secondary-dark);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
  font-size: 0.95rem;
  cursor: pointer;
  white-space: nowrap;
}
.btn-outline:hover {
  border-color: var(--color-primary-dark);
  color: var(--color-primary-dark);
  transform: translateY(-1px);
}

/* ----- Header ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-secondary-dark);
  transition: box-shadow 0.2s ease;
}
.site-header.scrolled {
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
}

/* ----- Hero ----- */
.hero-section {
  background: linear-gradient(160deg, var(--color-secondary-lighter) 0%, #fff 60%);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -180px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(147, 197, 114, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.hero-title {
  font-family: 'Plus Jakarta Sans', ui-sans-serif, sans-serif;
  font-size: clamp(2.1rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--color-font);
}

.hero-title .highlight {
  color: var(--color-primary-dark);
  position: relative;
  display: inline-block;
}
.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--color-primary);
  border-radius: 2px;
  opacity: 0.5;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-font-secondary);
  line-height: 1.7;
  max-width: 520px;
}

/* Hero visual card */
.hero-card {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.1), 0 2px 8px rgba(0,0,0,0.05);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.scan-animation {
  background: var(--color-secondary-light);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.qr-mock {
  width: 90px;
  height: 90px;
  background: var(--color-font);
  border-radius: 8px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  padding: 8px;
  overflow: hidden;
}
.qr-mock span {
  border-radius: 1px;
  background: #fff;
}
.qr-mock span.filled {
  background: var(--color-font);
}

.scan-line {
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  animation: scanMove 1.8s ease-in-out infinite;
  border-radius: 1px;
}
@keyframes scanMove {
  0%   { transform: translateY(-30px); opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateY(30px); opacity: 0; }
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: rgba(147, 197, 114, 0.12);
  color: var(--color-primary-dark);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.3rem 0.8rem;
  border-radius: 9999px;
}
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-primary-dark);
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

/* ----- Section common ----- */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
}
.section-tag::before {
  content: '';
  width: 20px;
  height: 2px;
  background-color: var(--color-primary);
  display: block;
  border-radius: 1px;
}

.section-title {
  font-family: 'Plus Jakarta Sans', ui-sans-serif, sans-serif;
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--color-font);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-font-secondary);
  line-height: 1.7;
}

/* ----- About section ----- */
.about-card {
  background: #fff;
  border: 1px solid var(--color-secondary-dark);
  border-radius: 16px;
  padding: 1.5rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.about-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 20px rgba(147, 197, 114, 0.15);
}

.about-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background-color: rgba(147, 197, 114, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.about-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-primary-dark);
}

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

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--color-secondary-dark);
  transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.feature-item:hover {
  box-shadow: 0 6px 24px rgba(0,0,0,0.07);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}
.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background-color: rgba(147, 197, 114, 0.13);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.feature-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-primary-dark);
}

/* ----- For whom ----- */
.audience-card {
  background: #fff;
  border: 1px solid var(--color-secondary-dark);
  border-radius: 20px;
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.audience-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  border-color: var(--color-primary);
}
.audience-emoji {
  font-size: 2.5rem;
  line-height: 1;
}
.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--color-font-secondary);
}
.check-list li::before {
  content: '';
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: rgba(147, 197, 114, 0.2);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M3 8l3.5 3.5L13 4.5' stroke='%235f8e4a' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #fff;
  color: var(--color-primary-dark);
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 9999px;
  text-decoration: none;
  font-size: 1rem;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.18);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}
.contact-link:hover {
  color: #fff;
}
.contact-link svg {
  width: 18px; height: 18px;
  stroke: var(--color-primary);
  flex-shrink: 0;
}

/* ----- Footer ----- */
.site-footer {
  background-color: var(--color-font);
  color: rgba(255,255,255,0.7);
}
.footer-logo-text {
  font-family: 'Plus Jakarta Sans', ui-sans-serif, sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
  letter-spacing: -0.03em;
}
.footer-link {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s ease;
}
.footer-link:hover {
  color: var(--color-primary);
}
.footer-divider {
  border-color: rgba(255,255,255,0.1);
}

/* ----- 404 page ----- */
.error-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  background: linear-gradient(160deg, var(--color-secondary-lighter) 0%, #fff 100%);
}
.error-code {
  font-family: 'Plus Jakarta Sans', ui-sans-serif, sans-serif;
  font-size: clamp(6rem, 20vw, 10rem);
  font-weight: 800;
  color: var(--color-secondary-dark);
  line-height: 1;
  letter-spacing: -0.05em;
}
.error-title {
  font-family: 'Plus Jakarta Sans', ui-sans-serif, sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-font);
}

/* ----- Scroll animations ----- */
.fade-in-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-up.delay-1 { transition-delay: 0.1s; }
.fade-in-up.delay-2 { transition-delay: 0.2s; }
.fade-in-up.delay-3 { transition-delay: 0.3s; }
.fade-in-up.delay-4 { transition-delay: 0.4s; }
.fade-in-up.delay-5 { transition-delay: 0.5s; }

/* ----- Utility ----- */
.max-w-content {
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
}

.divider-line {
  height: 1px;
  background: var(--color-secondary-dark);
}

/* ---- Stats bar ---- */
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.15rem;
}
.stat-value {
  font-family: 'Plus Jakarta Sans', ui-sans-serif, sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  letter-spacing: -0.04em;
  line-height: 1;
}
.stat-label {
  font-size: 0.82rem;
  color: var(--color-font-secondary);
  letter-spacing: 0.02em;
}

/* ----- Mobile nav ----- */
@media (max-width: 639px) {
  .hero-section {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }
  .step-connector {
    display: none !important;
  }
}

/* ----- Store badges ----- */
.store-badge {
  display: block;
  width: 160px;
  height: auto;
}
@media (min-width: 640px) {
  .store-badge {
    width: auto;
    height: 40px;
  }
}