/* =========================
   Global Styles
========================= */
:root {
  --primary: #f28c28;
  --primary-dark: #d97212;
  --secondary: #2f6fed;
  --secondary-dark: #1f57c9;
  --accent: #7bbf6a;
  --text: #161616;
  --text-light: #5c6470;
  --white: #ffffff;
  --bg: #ffffff;
  --bg-soft: #f7f8fb;
  --bg-cream: #fff7ef;
  --border: #e5e7eb;
  --shadow-sm: 0 8px 18px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 14px 34px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 22px 48px rgba(0, 0, 0, 0.12);
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 28px;
  --max-width: 1200px;
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

.container {
  width: min(92%, var(--max-width));
  margin: 0 auto;
}

.section {
  padding: 96px 0;
}

.section-light {
  background: var(--bg-soft);
}

.section-tag {
  color: var(--secondary);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
  margin-bottom: 12px;
}

.section-header {
  text-align: center;
  margin-bottom: 52px;
}

.section-header h2,
.section-center h2,
.qr-grid h2,
.cta-box h2 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-center {
  text-align: center;
  max-width: 850px;
}

.section-text {
  color: var(--text-light);
  font-size: 1.08rem;
  max-width: 820px;
  margin: 0 auto;
}

.left-text {
  margin: 0;
}

.hero-description,
.info-card p,
.product-content p,
.qr-box p,
.cta-box p,
.site-footer p,
.footer-links li,
.footer-links a,
.pricing-content p,
.contact-box p {
  color: var(--text-light);
}

/* =========================
   Header
========================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.9);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  gap: 20px;
}

.main-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  color: var(--text-light);
  font-weight: 700;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--secondary);
}

.nav-links a.active::after,
.nav-links a:hover::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 100%;
  height: 3px;
  border-radius: 999px;
  background: var(--secondary);
}

/* =========================
   Brand / Logo
========================= */
.brand-wrap {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
  display: block;
  background: transparent;
}

.brand-text {
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.footer-logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
  display: block;
  background: transparent;
}

/* =========================
   Buttons
========================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 800;
  border: 2px solid transparent;
  transition: var(--transition);
  cursor: pointer;
}

.btn-nav,
.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

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

.btn-secondary {
  background: var(--white);
  color: var(--secondary);
  border-color: var(--secondary);
}

.btn-secondary:hover {
  background: var(--secondary);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.text-link {
  color: var(--secondary);
  font-weight: 800;
}

.text-link:hover {
  color: var(--secondary-dark);
  text-decoration: underline;
}

/* =========================
   Hero
========================= */
.hero {
  padding: 110px 0 92px;
  background:
    radial-gradient(circle at top left, rgba(242, 140, 40, 0.15), transparent 30%),
    radial-gradient(circle at bottom right, rgba(47, 111, 237, 0.12), transparent 28%),
    linear-gradient(180deg, #fffdfb 0%, #ffffff 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 54px;
}

.eyebrow {
  color: var(--primary-dark);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  font-size: 0.86rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  line-height: 1.03;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
  max-width: 680px;
}

.hero-description {
  font-size: 1.1rem;
  max-width: 660px;
  margin-bottom: 30px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.feature-pill {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: 999px;
  color: var(--text-light);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.hero-card {
  display: flex;
  justify-content: center;
}

.mock-card {
  background: var(--white);
  width: 100%;
  max-width: 360px;
  padding: 30px;
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  border: 1px solid var(--border);
}

.mock-image {
  width: 140px;
  height: 140px;
  margin: 0 auto 18px;
  border-radius: 22px;
  background: linear-gradient(135deg, #fff1e3, #edf4ff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.mock-card h3 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.mock-card p {
  font-size: 1rem;
  margin-bottom: 20px;
}

.mock-qr {
  width: 88px;
  height: 88px;
  margin: 0 auto;
  border-radius: 16px;
  border: 3px solid var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  letter-spacing: 0.08em;
}

/* =========================
   Intro
========================= */
.intro {
  background: var(--white);
}

/* =========================
   Cards
========================= */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.info-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.info-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 62px;
  height: 62px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-cream);
  font-size: 1.65rem;
  margin-bottom: 18px;
}

.info-card h3 {
  font-size: 1.32rem;
  margin-bottom: 12px;
}

/* =========================
   Product Preview
========================= */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.product-image {
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  font-weight: 900;
  color: var(--white);
  text-align: center;
  padding: 20px;
}

.animals-bg {
  background: linear-gradient(135deg, #7bbf6a, #4f9c5f);
}

.fruits-bg {
  background: linear-gradient(135deg, #f28c28, #d97212);
}

.emotions-bg {
  background: linear-gradient(135deg, #2f6fed, #1d53c7);
}

.product-content {
  padding: 25px;
}

.product-content h3 {
  margin-bottom: 12px;
  font-size: 1.35rem;
}

/* =========================
   Pricing
========================= */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pricing-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.pricing-content {
  padding: 24px;
}

.pricing-content h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.pricing-content p {
  margin-bottom: 18px;
}

.price {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 18px;
  color: var(--text);
}

.pricing-btn {
  width: 100%;
}

/* =========================
   QR Section
========================= */
.qr-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 42px;
  align-items: center;
}

.qr-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 26px;
  box-shadow: var(--shadow-md);
  padding: 42px;
  text-align: center;
}

.qr-demo {
  width: 140px;
  height: 140px;
  margin: 0 auto 18px;
  border: 4px solid var(--text);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 900;
}

/* =========================
   Contact Support
========================= */
.contact-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.contact-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.contact-box h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
}

/* =========================
   CTA
========================= */
.cta-box {
  background: linear-gradient(135deg, #fff3e8, #eef4ff);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  box-shadow: var(--shadow-md);
}

.cta-box p {
  max-width: 700px;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* =========================
   Footer
========================= */
.site-footer {
  background: #111827;
  color: #f3f4f6;
  padding-top: 74px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 40px;
  padding-bottom: 42px;
}

.site-footer h3,
.site-footer h4 {
  margin-bottom: 14px;
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
  text-align: center;
  color: #cbd5e1;
}

/* =========================
   Responsive
========================= */
@media (max-width: 1100px) {
  .hero-grid,
  .qr-grid,
  .cta-box,
  .footer-grid,
  .cards-grid,
  .product-grid,
  .pricing-grid,
  .contact-info {
    grid-template-columns: 1fr;
  }

  .hero-card {
    justify-content: flex-start;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 74px 0;
  }

  .nav-container {
    flex-wrap: wrap;
    justify-content: center;
    padding: 16px 0;
  }

  .main-nav .nav-links {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav-links a.active::after,
  .nav-links a:hover::after {
    display: none;
  }

  .hero {
    padding: 84px 0 72px;
  }

  .hero h1 {
    font-size: 2.6rem;
  }

  .hero-buttons,
  .hero-features,
  .cta-buttons {
    justify-content: center;
  }

  .section-header,
  .section-center,
  .cta-box {
    text-align: center;
  }

  .cta-box {
    padding: 38px 28px;
  }

  .brand-wrap {
    justify-content: center;
  }

  .brand-text {
    font-size: 1.2rem;
  }

  .brand-logo {
    width: 50px;
    height: 50px;
  }

  .footer-brand {
    justify-content: center;
  }

  .footer-logo {
    width: 54px;
    height: 54px;
  }
}

@media (max-width: 480px) {
  .btn {
    width: 100%;
  }

  .mock-card {
    padding: 24px;
  }

  .mock-image {
    width: 112px;
    height: 112px;
    font-size: 3.2rem;
  }

  .qr-box {
    padding: 28px;
  }

  .cta-box {
    padding: 28px 22px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .brand-text {
    font-size: 1rem;
  }

  .brand-logo {
    width: 44px;
    height: 44px;
  }
}