/* =============================================
   SWIFTPOS - styles.css
   ============================================= */

/* --- RESET & BASE --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: #0b0f1a;
  color: #e2e8f0;
  line-height: 1.7;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; border-radius: 12px; }
button { cursor: pointer; font-family: inherit; border: none; }

/* --- CSS VARIABLES --- */
:root {
  --primary: #4f8ef7;
  --primary-dark: #2d6de8;
  --accent: #00c896;
  --accent-dark: #00a87e;
  --bg: #0b0f1a;
  --bg-card: #141929;
  --bg-card2: #1a2035;
  --border: rgba(255,255,255,0.08);
  --text: #e2e8f0;
  --text-muted: #8892a4;
  --text-light: #b0bccc;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-primary: 0 4px 24px rgba(79,142,247,0.25);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s ease;
  --section-pad: 100px 0;
}

/* --- CONTAINER --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- GLASS CARD --- */
.glass-card {
  background: rgba(20,25,41,0.8);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(79,142,247,0.45);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-sm { padding: 9px 20px; font-size: 0.875rem; }
.btn-lg { padding: 16px 40px; font-size: 1.05rem; }
.btn-full { width: 100%; justify-content: center; }

/* =============================================
   NAVBAR
   ============================================= */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(11,15,26,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
}
.nav-logo span { color: var(--primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 8px;
  transition: all var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: #fff;
  background: rgba(79,142,247,0.1);
}
.nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
  color: #fff !important;
  padding: 8px 20px !important;
  border-radius: 50px !important;
  font-weight: 600 !important;
  box-shadow: var(--shadow-primary);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(79,142,247,0.4) !important; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 6px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* =============================================
   SECTION COMMON
   ============================================= */
section { padding: var(--section-pad); }
.section-label {
  display: inline-block;
  background: rgba(79,142,247,0.12);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
  border: 1px solid rgba(79,142,247,0.25);
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
  line-height: 1.2;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 56px;
}

/* =============================================
   HERO
   ============================================= */
#home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  position: relative;
  overflow: hidden;
}
#home::before {
  content: '';
  position: absolute;
  top: -200px; left: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(79,142,247,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
#home::after {
  content: '';
  position: absolute;
  bottom: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,200,150,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
#home .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,200,150,0.1);
  color: var(--accent);
  border: 1px solid rgba(0,200,150,0.25);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}
.hero-badge::before { content: '●'; font-size: 0.5rem; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero-content h1 span {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  color: var(--text-light);
  font-size: 1.08rem;
  max-width: 480px;
  margin-bottom: 36px;
}
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: fit-content;
}
.stat { text-align: center; }
.stat strong { display: block; font-size: 1.4rem; font-weight: 800; color: var(--primary); }
.stat span { font-size: 0.78rem; color: var(--text-muted); }
.stat-divider { width: 1px; height: 36px; background: var(--border); }
.hero-visual { position: relative; }
.hero-card { padding: 20px; }
.card-header {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 14px;
}
.dot {
  width: 11px; height: 11px;
  border-radius: 50%;
}
.dot.green { background: #00c896; }
.dot.yellow { background: #f59e0b; }
.dot.red { background: #ef4444; }
.card-title { margin-left: 8px; font-size: 0.82rem; color: var(--text-muted); font-weight: 500; }
.hero-img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}

/* =============================================
   ABOUT
   ============================================= */
#about { background: var(--bg-card); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-text p {
  color: var(--text-light);
  margin-bottom: 18px;
  font-size: 1rem;
}
.about-highlights { margin-top: 32px; display: flex; flex-direction: column; gap: 20px; }
.highlight-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.highlight-icon {
  font-size: 1.5rem;
  min-width: 44px;
  height: 44px;
  background: rgba(79,142,247,0.1);
  border: 1px solid rgba(79,142,247,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.highlight-item strong { display: block; color: #fff; margin-bottom: 4px; font-weight: 600; }
.highlight-item p { color: var(--text-muted); margin: 0; font-size: 0.9rem; }
.about-img {
  width: 100%;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
  border-radius: var(--radius);
}

/* =============================================
   PRODUCT
   ============================================= */
#product { background: var(--bg); }
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.product-card {
  padding: 40px;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.product-card.featured {
  border-color: rgba(79,142,247,0.4);
  background: rgba(79,142,247,0.06);
}
.featured-badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 18px;
  border-radius: 50px;
  letter-spacing: 0.5px;
}
.product-icon { font-size: 2.5rem; margin-bottom: 16px; }
.product-card h3 { font-size: 1.4rem; font-weight: 700; color: #fff; margin-bottom: 6px; }
.product-subtitle { color: var(--primary); font-size: 0.85rem; font-weight: 600; margin-bottom: 24px; text-transform: uppercase; letter-spacing: 0.5px; }
.product-features { margin-bottom: 32px; display: flex; flex-direction: column; gap: 10px; }
.product-features li { display: flex; align-items: center; gap: 10px; font-size: 0.92rem; color: var(--text-light); }
.check { color: var(--accent); font-weight: 700; font-size: 0.85rem; }

/* =============================================
   FEATURES
   ============================================= */
#features { background: var(--bg-card); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(30px);
}
.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.3s, box-shadow 0.3s;
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(79,142,247,0.3);
  box-shadow: 0 12px 40px rgba(79,142,247,0.12);
}
.feature-icon {
  font-size: 2rem;
  margin-bottom: 18px;
  width: 56px; height: 56px;
  background: rgba(79,142,247,0.1);
  border: 1px solid rgba(79,142,247,0.2);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-card h4 { font-size: 1.05rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
.feature-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }

/* =============================================
   DOWNLOADS
   ============================================= */
#downloads { background: var(--bg); }
.downloads-box { padding: 48px; max-width: 800px; margin: 0 auto; }
.download-primary {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.download-icon { font-size: 2.8rem; }
.download-info { flex: 1; }
.download-info h3 { font-size: 1.3rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
.download-info p { color: var(--text-muted); font-size: 0.9rem; margin: 0; }
.download-version { font-size: 0.8rem !important; color: var(--text-muted); margin-top: 4px !important; }
.download-secondary { display: flex; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.store-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 24px;
  cursor: pointer;
  transition: all var(--transition);
  flex: 1;
  min-width: 180px;
}
.store-btn.disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }
.store-icon { font-size: 1.8rem; }
.store-btn small { display: block; font-size: 0.72rem; color: var(--text-muted); }
.store-btn strong { display: block; font-size: 0.95rem; color: #fff; }
.download-note {
  font-size: 0.83rem;
  color: var(--text-muted);
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: 8px;
  padding: 10px 16px;
}

/* =============================================
   GET STARTED
   ============================================= */
#get-started { background: var(--bg-card); }
.steps-grid {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}
.step-card {
  flex: 1;
  min-width: 200px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform var(--transition), border-color var(--transition);
}
.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(79,142,247,0.3);
}
.step-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(79,142,247,0.25);
  line-height: 1;
  margin-bottom: 14px;
}
.step-card h4 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.step-card p { font-size: 0.875rem; color: var(--text-muted); }
.step-connector {
  color: var(--primary);
  font-size: 1.5rem;
  padding-top: 38px;
  opacity: 0.5;
}
.cta-center { text-align: center; }
.cta-note { margin-top: 14px; font-size: 0.83rem; color: var(--text-muted); }

/* =============================================
   CONTACT
   ============================================= */
#contact { background: var(--bg); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 56px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 28px; }
.contact-item { display: flex; gap: 18px; align-items: flex-start; }
.contact-icon {
  font-size: 1.3rem;
  width: 48px; height: 48px;
  background: rgba(79,142,247,0.1);
  border: 1px solid rgba(79,142,247,0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-item strong { display: block; color: #fff; font-weight: 600; margin-bottom: 4px; }
.contact-item a, .contact-item p { color: var(--text-muted); font-size: 0.9rem; }
.contact-item a:hover { color: var(--primary); }
.contact-form { padding: 40px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--text-light); margin-bottom: 8px; }
.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: var(--text);
  font-size: 0.92rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,142,247,0.12);
}
.form-group input.error,
.form-group textarea.error { border-color: #ef4444; }
.field-error { display: block; font-size: 0.78rem; color: #ef4444; margin-top: 5px; min-height: 16px; }
.form-status {
  margin-top: 14px;
  font-size: 0.88rem;
  font-weight: 600;
  text-align: center;
  min-height: 24px;
  border-radius: 8px;
  padding: 8px;
}
.form-status.success { color: var(--accent); background: rgba(0,200,150,0.08); border: 1px solid rgba(0,200,150,0.2); }
.form-status.error-msg { color: #ef4444; background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.2); }

/* =============================================
   FOOTER
   ============================================= */
#footer { background: #070a14; border-top: 1px solid var(--border); padding: 72px 0 32px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .nav-logo { font-size: 1.4rem; display: inline-block; margin-bottom: 14px; }
.footer-brand p { color: var(--text-muted); font-size: 0.875rem; line-height: 1.7; max-width: 280px; margin-bottom: 14px; }
.footer-email { color: var(--primary); font-size: 0.875rem; }
.footer-email:hover { color: var(--accent); }
.footer-links h5 { color: #fff; font-size: 0.875rem; font-weight: 700; margin-bottom: 18px; letter-spacing: 0.5px; }
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--text-muted); font-size: 0.875rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p { color: var(--text-muted); font-size: 0.8rem; }

/* =============================================
   GRADIENT ACCENT DIVIDERS
   ============================================= */
#about, #features, #get-started { position: relative; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  :root { --section-pad: 72px 0; }
  #home .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { order: -1; }
  .product-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { flex-direction: column; }
  .step-connector { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1/-1; }
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: rgba(11,15,26,0.98);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .download-primary { flex-direction: column; align-items: flex-start; }
  .hero-stats { flex-direction: column; gap: 16px; width: 100%; }
  .stat-divider { width: 100%; height: 1px; }
}
@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}