/* ==========================================================================
   VANTIQ CHECKOUT — ULTRA-MODERN PREMIUM DESIGN SYSTEM
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800;900&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-input: #f8fafc;
  --bg-dark-accent: #0f172a;

  --accent-crimson: #dc2626;
  --accent-crimson-dark: #b91c1c;
  --accent-crimson-light: #fef2f2;
  --accent-green: #059669;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --border-light: #e2e8f0;
  --border-crimson: rgba(220, 38, 38, 0.3);
  --border-focus: #dc2626;

  --gradient-crimson: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);

  --font-heading: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  --shadow-card: 0 10px 30px rgba(15, 23, 42, 0.05);
  --shadow-card-hover: 0 20px 45px rgba(220, 38, 38, 0.12);
  --shadow-btn: 0 10px 30px rgba(220, 38, 38, 0.35);

  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-page);
  background-image: 
    radial-gradient(at 0% 0%, rgba(220, 38, 38, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(15, 23, 42, 0.05) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
.hidden { display: none !important; }

/* Container */
.checkout-container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header Navbar */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.03);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 22px;
  color: var(--text-primary);
}

.logo-mark {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--gradient-crimson);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; color: #fff; font-weight: 900;
  box-shadow: var(--shadow-btn);
}

.secure-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-crimson-light);
  border: 1px solid rgba(220, 38, 38, 0.2);
  padding: 8px 18px;
  border-radius: 100px;
  color: var(--accent-crimson);
  font-size: 13px;
  font-weight: 700;
}

.secure-badge svg { width: 16px; height: 16px; }

/* Page Hero Heading */
.checkout-hero {
  padding-top: 115px;
  padding-bottom: 30px;
}

.checkout-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 100px;
  background: var(--accent-crimson-light);
  color: var(--accent-crimson);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.checkout-hero-title {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.checkout-hero-subtitle {
  font-size: 15.5px;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* Checkout Main Grid */
.checkout-main-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 40px;
  align-items: start;
  padding-bottom: 80px;
}

/* Left Form Container */
.checkout-form-col {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.form-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.form-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient-crimson);
  opacity: 0;
  transition: opacity 0.3s;
}

.form-card:hover {
  border-color: var(--border-crimson);
  box-shadow: var(--shadow-card-hover);
}
.form-card:hover::before { opacity: 1; }

.section-step {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.step-badge {
  width: 42px; height: 42px;
  border-radius: 14px;
  background: var(--accent-crimson-light);
  border: 1.5px solid rgba(220, 38, 38, 0.25);
  color: var(--accent-crimson);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.1);
}

.step-title-text {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
}

/* Form Inputs Grid */
.inputs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.input-field-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-field-group.full { grid-column: 1 / -1; }

.input-label {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.input-control {
  width: 100%;
  background: var(--bg-input);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 15px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  outline: none;
  font-family: var(--font-body);
  transition: all 0.25s ease;
}

.input-control::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

.input-control:focus {
  background: #ffffff;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.12);
}

.select-wrapper { position: relative; }
.select-wrapper select { appearance: none; cursor: pointer; padding-right: 44px; }
.select-arrow {
  position: absolute; right: 16px; top: 50%;
  transform: translateY(-50%);
  width: 18px; height: 18px; color: var(--accent-crimson);
  pointer-events: none;
}

/* Payment Tabs */
.payment-methods-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.payment-tab-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 22px 18px;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-light);
  background: var(--bg-input);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
}

.payment-tab-btn svg {
  width: 28px; height: 28px;
  transition: transform 0.25s;
}

.payment-tab-btn:hover {
  border-color: var(--border-crimson);
  color: var(--text-primary);
}
.payment-tab-btn:hover svg { transform: scale(1.1); }

.payment-tab-btn.active {
  background: var(--accent-crimson-light);
  border-color: var(--accent-crimson);
  color: var(--accent-crimson);
  box-shadow: 0 6px 20px rgba(220, 38, 38, 0.12);
}

.pix-box-info {
  background: var(--accent-crimson-light);
  border: 1.5px solid rgba(220, 38, 38, 0.2);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.pix-box-info svg {
  width: 32px; height: 32px;
  color: var(--accent-crimson);
  flex-shrink: 0;
}

.pix-box-info strong {
  display: block; font-size: 15.5px; font-weight: 800; color: var(--text-primary); margin-bottom: 4px;
}

.pix-box-info p {
  font-size: 13.5px; color: var(--text-secondary); line-height: 1.5;
}

.error-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fef2f2;
  border: 1.5px solid rgba(220, 38, 38, 0.3);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-top: 20px;
  color: var(--accent-crimson);
  font-size: 14px;
  font-weight: 600;
}

/* Pay Button CTA */
.btn-finalize-pay {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
  padding: 20px 32px;
  background: var(--gradient-crimson);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: var(--shadow-btn);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn-finalize-pay::before {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
}

.btn-finalize-pay:hover::before { left: 100%; }

.btn-finalize-pay:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 45px rgba(220, 38, 38, 0.5);
}

.trust-flex-row {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.trust-item-node {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
}

.trust-item-node svg { width: 16px; height: 16px; color: var(--accent-crimson); }

/* Right Summary Sidebar */
.summary-sticky-card {
  position: sticky;
  top: 105px;
  background: var(--bg-card);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}

.summary-sticky-card:hover {
  border-color: var(--border-crimson);
  box-shadow: var(--shadow-card-hover);
}

.summary-title-badge {
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-crimson);
  margin-bottom: 20px;
  display: block;
}

.product-summary-box {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 20px;
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.product-icon-badge {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--gradient-crimson);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading);
  font-size: 15px; font-weight: 900; color: #fff;
  box-shadow: var(--shadow-btn);
  flex-shrink: 0;
}

.product-title-text {
  font-family: var(--font-heading);
  font-size: 17px; font-weight: 800; color: var(--text-primary);
}

.product-desc-text { font-size: 13px; color: var(--text-secondary); }

.summary-line-divider {
  height: 1px;
  background: var(--border-light);
  margin: 20px 0;
}

.summary-data-row {
  display: flex; justify-content: space-between;
  padding: 8px 0; font-size: 14.5px; color: var(--text-secondary);
}

.summary-total-block {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 12px 0 4px;
}

.total-amount-display {
  font-family: var(--font-heading);
  font-size: 38px; font-weight: 900; color: var(--accent-crimson);
  letter-spacing: -0.03em;
}

.installment-hint-text {
  text-align: center;
  font-size: 13.5px; color: var(--text-muted);
  padding-top: 8px;
}
.installment-hint-text strong { color: var(--text-primary); }

.summary-guarantees-list {
  margin-top: 24px;
  display: flex; flex-direction: column; gap: 16px;
  padding-top: 22px; border-top: 1px solid var(--border-light);
}

.guarantee-item-flex {
  display: flex; align-items: flex-start; gap: 14px;
}

.guarantee-item-flex svg { width: 22px; height: 22px; color: var(--accent-crimson); flex-shrink: 0; margin-top: 2px; }
.guarantee-item-flex strong { font-size: 13.5px; font-weight: 800; color: var(--text-primary); display: block; }
.guarantee-item-flex span { font-size: 12.5px; color: var(--text-secondary); }

/* Success Overlay */
.success-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(24px);
  display: flex; align-items: center; justify-content: center; padding: 24px;
  overflow-y: auto;
}

.success-card {
  background: #ffffff;
  border-radius: 32px;
  padding: 56px 44px;
  max-width: 560px; width: 100%;
  text-align: center;
  box-shadow: 0 30px 80px rgba(15, 23, 42, 0.3);
  position: relative;
}

.success-icon-badge {
  width: 84px; height: 84px; border-radius: 50%;
  background: var(--accent-crimson-light);
  border: 2px solid var(--accent-crimson);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 28px; color: var(--accent-crimson);
  box-shadow: 0 0 35px rgba(220, 38, 38, 0.2);
}

.success-icon-badge svg { width: 40px; height: 40px; }

.success-card h2 {
  font-family: var(--font-heading); font-size: 30px; font-weight: 900; color: var(--text-primary); margin-bottom: 12px;
}

.pix-qr-frame {
  display: inline-block;
  background: #ffffff;
  padding: 18px;
  border-radius: 24px;
  border: 2px solid var(--border-light);
  box-shadow: 0 12px 35px rgba(15, 23, 42, 0.08);
  margin: 24px 0;
}

.pix-qr-frame img { width: 200px; height: 200px; display: block; }

.btn-copy-pix-action {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 32px;
  background: var(--accent-crimson-light);
  border: 1.5px solid rgba(220, 38, 38, 0.3);
  border-radius: var(--radius-md);
  color: var(--accent-crimson);
  font-weight: 800; font-size: 15px;
  cursor: pointer; transition: all 0.25s;
}

.btn-copy-pix-action:hover {
  background: rgba(220, 38, 38, 0.15);
  transform: translateY(-2px);
}

.btn-download-extension-cta {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--gradient-crimson);
  color: #fff; padding: 18px 36px; border-radius: 100px;
  font-family: var(--font-heading); font-weight: 900; font-size: 16px;
  box-shadow: var(--shadow-btn); transition: all 0.3s;
}

.btn-download-extension-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 45px rgba(220, 38, 38, 0.5);
}

.btn-back-home-link {
  display: inline-flex; margin-top: 24px;
  color: var(--text-secondary); font-size: 14px; font-weight: 700;
  transition: color 0.2s;
}
.btn-back-home-link:hover { color: var(--accent-crimson); }

#ts-confetti-canvas {
  position: fixed; inset: 0; pointer-events: none; z-index: 2500; display: none;
}

/* Responsive Rules */
@media (max-width: 1024px) {
  .checkout-main-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .summary-sticky-card { position: static; }
}

@media (max-width: 640px) {
  .checkout-hero-title { font-size: 28px; }
  .form-card { padding: 24px 20px; }
  .inputs-grid { grid-template-columns: 1fr; }
  .payment-methods-grid { grid-template-columns: 1fr; }
  .btn-finalize-pay { font-size: 15px; padding: 18px; }
}