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

:root {
  --primary: #51e884;
  --primary-dark: #2fc76a;
  --primary-light: #85f0ac;
  --accent: #51e884;
  --accent-dark: #2fc76a;
  --bg: #0a0a0a;
  --bg-alt: #111111;
  --surface: #141414;
  --surface-light: #1a1a1a;
  --text: #ffffff;
  --text-muted: #888888;
  --border: #222222;
  --border-light: #2a2a2a;
  --radius: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(81, 232, 132, 0.15);
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a:hover {
  color: var(--primary-light);
}

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

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

main {
  flex: 1;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(10, 10, 10, 0.85);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
}

.logo:hover {
  color: var(--text);
}

.logo .logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: contain;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
}

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 120px 0 100px;
  text-align: center;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(10, 10, 10, 0.3) 0%,
    rgba(10, 10, 10, 0.6) 50%,
    rgba(10, 10, 10, 0.95) 100%
  );
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero h1 .gradient-text {
  color: var(--primary);
}

.hero p {
  color: var(--text-muted);
  font-size: 1.3rem;
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 36px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--primary);
  color: #000;
}

.btn-primary:hover {
  background: var(--primary-light);
  color: #000;
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--primary);
  color: #000;
}

.btn-accent:hover {
  background: var(--primary-light);
  color: #000;
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #000;
}

/* ===== Section Common ===== */
.section {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 56px;
}

.section-title h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.section-title p {
  color: var(--text-muted);
  font-size: 1.15rem;
}

/* ===== Features Strip ===== */
.features-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 64px;
}

.feature-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.feature-item:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.feature-item .feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(81, 232, 132, 0.1);
  border: 1px solid rgba(81, 232, 132, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--primary);
}

.feature-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== Apps Grid ===== */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 32px;
}

.app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.app-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-light);
  transform: translateY(-4px);
}

.app-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.app-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.app-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-card-header h3 {
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1.3;
}

.app-card-header .app-badge {
  display: inline-block;
  background: rgba(81, 232, 132, 0.1);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  margin-top: 4px;
  border: 1px solid rgba(81, 232, 132, 0.2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.app-card p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  flex: 1;
  margin-bottom: 28px;
}

/* ===== Contact Section ===== */
.contact-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.contact-wrapper {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--bg);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(81, 232, 132, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #555;
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-status {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(81, 232, 132, 0.1);
  color: var(--primary);
  border: 1px solid rgba(81, 232, 132, 0.2);
}

.form-status.error {
  display: block;
  background: rgba(220, 50, 50, 0.1);
  color: #ff6b6b;
  border: 1px solid rgba(220, 50, 50, 0.2);
}

/* ===== Legal Pages ===== */
.legal-content {
  padding-top: 64px;
  padding-bottom: 100px;
}

.legal-content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.legal-content .legal-date {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 48px;
}

.legal-content h2 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--text);
}

.legal-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--text);
}

.legal-content p,
.legal-content li {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 14px;
}

.legal-content ul {
  padding-left: 24px;
  margin-bottom: 20px;
}

.legal-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal-content a:hover {
  color: var(--primary-light);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--surface);
  color: var(--text-muted);
  padding: 64px 0 40px;
  margin-top: auto;
  border-top: 1px solid var(--border);
}

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

.footer-brand p {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 340px;
}

.footer-col h4 {
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-col ul a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
}

.footer-bottom .shopify-disclaimer {
  font-size: 0.78rem;
  color: #555;
  font-style: italic;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }

  .nav-links.open {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .hero {
    padding: 80px 0 60px;
    min-height: auto;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
  }

  .section {
    padding: 64px 0;
  }

  .features-strip {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

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