/* =========================================
   CleverBill24 — Global Stylesheet
   New Design 2024 / 2025
   ========================================= */

/* --- Variables --- */
:root {
  --teal:        #2dd4bf;
  --teal-dark:   #14b8a6;
  --teal-light:  #99f6e4;
  --teal-glow:   rgba(45, 212, 191, 0.18);
  --dark:        #0c1220;
  --dark-mid:    #111827;
  --dark-card:   #1a2332;
  --dark-border: rgba(255,255,255,0.07);
  --white:       #ffffff;
  --gray-100:    #f8fafc;
  --gray-200:    #e2e8f0;
  --gray-400:    #94a3b8;
  --gray-600:    #475569;
  --gray-800:    #1e293b;
  --text:        #1e293b;
  --text-light:  #64748b;
  --radius:      12px;
  --radius-lg:   20px;
  --shadow:      0 4px 24px rgba(0,0,0,0.08);
  --shadow-teal: 0 0 40px rgba(45,212,191,0.25);
  --transition:  0.3s ease;
  --font:        'Inter', system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
h4 { font-size: 1.05rem; }
p  { color: var(--text-light); }

.text-teal   { color: var(--teal); }
.text-white  { color: var(--white) !important; }
.text-center { text-align: center; }
.text-muted  { color: var(--gray-400); }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}
.section--sm { padding: 64px 0; }
.section--lg { padding: 120px 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  white-space: nowrap;
}

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

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.btn-ghost {
  background: transparent;
  color: var(--teal);
  border: 2px solid var(--teal);
}
.btn-ghost:hover {
  background: var(--teal);
  color: var(--dark);
}

.btn-lg { padding: 18px 36px; font-size: 1.05rem; }

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
  padding: 0;
}

.nav.scrolled {
  background: rgba(12, 18, 32, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
}
.nav-logo img { height: 36px; width: auto; }
.nav-logo img { height: 34px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-links a.active { color: var(--teal); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-login {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-login:hover { color: var(--white); }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
  border-radius: 2px;
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  background: var(--dark);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(45,212,191,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(45,212,191,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding-top: 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(45,212,191,0.1);
  border: 1px solid rgba(45,212,191,0.25);
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero h1 .highlight {
  color: var(--teal);
  position: relative;
}

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.hero-stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
}
.hero-stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  margin-top: 2px;
}

/* Mock dashboard in hero */
.hero-visual {
  position: relative;
  z-index: 1;
}

.dashboard-mock {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), var(--shadow-teal);
}

.mock-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}
.mock-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mock-dot:nth-child(1) { background: #ff5f57; }
.mock-dot:nth-child(2) { background: #febc2e; }
.mock-dot:nth-child(3) { background: #28c840; }

.mock-title {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
  margin-left: auto;
  font-family: monospace;
}

.mock-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.mock-stat {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 14px;
}
.mock-stat-val {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
}
.mock-stat-lbl {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.4);
  margin-top: 2px;
}
.mock-stat-badge {
  display: inline-block;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 4px;
  margin-top: 4px;
  font-weight: 600;
}
.mock-stat-badge.green { background: rgba(45,212,191,0.15); color: var(--teal); }
.mock-stat-badge.orange { background: rgba(251,146,60,0.15); color: #fb923c; }

.mock-invoice-list {}
.mock-invoice-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.mock-invoice-item:last-child { border-bottom: none; }

.mock-inv-company {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.75);
  font-weight: 500;
}
.mock-inv-num {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.3);
}
.mock-inv-amount {
  font-size: 0.85rem;
  color: var(--white);
  font-weight: 600;
}
.mock-inv-status {
  font-size: 0.68rem;
  padding: 3px 8px;
  border-radius: 20px;
  font-weight: 600;
}
.mock-inv-status.paid { background: rgba(45,212,191,0.15); color: var(--teal); }
.mock-inv-status.open { background: rgba(251,146,60,0.15); color: #fb923c; }
.mock-inv-status.overdue { background: rgba(239,68,68,0.15); color: #f87171; }

/* --- Section Headers --- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.section-header { margin-bottom: 64px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { font-size: 1.1rem; max-width: 560px; }
.section-header.centered { text-align: center; }
.section-header.centered p { margin: 0 auto; }

/* --- Feature Cards --- */
.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}
.feature-card:hover {
  border-color: var(--teal);
  box-shadow: 0 12px 40px rgba(45,212,191,0.1);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(45,212,191,0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.3rem;
  color: var(--teal);
}

.feature-card h3 { margin-bottom: 10px; color: var(--gray-800); }
.feature-card p { font-size: 0.9rem; }

/* --- Dark feature section --- */
.section-dark {
  background: var(--dark);
}
.section-dark h2 { color: var(--white); }
.section-dark p { color: rgba(255,255,255,0.55); }
.section-dark .section-label { }

.dark-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}
.dark-card:hover {
  border-color: rgba(45,212,191,0.3);
}
.dark-card h3 { color: var(--white); margin-bottom: 8px; }
.dark-card p { color: rgba(255,255,255,0.5); font-size: 0.9rem; }
.dark-card .feature-icon { background: rgba(45,212,191,0.08); }

/* --- Alpha Banner --- */
.alpha-banner {
  background: linear-gradient(135deg, #0c1220 0%, #162032 100%);
  border: 1px solid rgba(45,212,191,0.2);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.alpha-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(45,212,191,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.alpha-tag {
  display: inline-block;
  background: rgba(45,212,191,0.15);
  border: 1px solid rgba(45,212,191,0.3);
  color: var(--teal);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.alpha-banner h2 { color: var(--white); margin-bottom: 12px; }
.alpha-banner p { color: rgba(255,255,255,0.6); max-width: 480px; margin: 0 auto 32px; }

.alpha-form {
  display: flex;
  gap: 12px;
  max-width: 420px;
  margin: 0 auto;
}

.alpha-form input {
  flex: 1;
  padding: 14px 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50px;
  color: var(--white);
  font-size: 0.9rem;
  font-family: var(--font);
  outline: none;
  transition: border-color var(--transition);
}
.alpha-form input::placeholder { color: rgba(255,255,255,0.3); }
.alpha-form input:focus { border-color: var(--teal); }

.alpha-terms {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
  margin-top: 14px;
}
.alpha-terms a { color: rgba(255,255,255,0.5); text-decoration: underline; }
.alpha-terms a:hover { color: var(--teal); }

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

.pricing-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: var(--transition);
  position: relative;
}

.pricing-card:hover {
  box-shadow: var(--shadow);
}

.pricing-card.featured {
  background: var(--dark);
  border-color: var(--teal);
  box-shadow: var(--shadow-teal);
  transform: scale(1.03);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--teal);
  color: var(--dark);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-name {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--teal);
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--gray-800);
  margin-bottom: 4px;
  line-height: 1;
}
.pricing-card.featured .pricing-price { color: var(--white); }

.pricing-price sup { font-size: 1.2rem; vertical-align: top; margin-top: 8px; }
.pricing-price sub {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--gray-400);
}
.pricing-card.featured .pricing-price sub { color: rgba(255,255,255,0.4); }

.pricing-sub {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 28px;
}
.pricing-card.featured .pricing-sub { color: rgba(255,255,255,0.45); }

.pricing-divider {
  height: 1px;
  background: var(--gray-200);
  margin-bottom: 24px;
}
.pricing-card.featured .pricing-divider { background: rgba(255,255,255,0.08); }

.pricing-features {
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--gray-600);
}
.pricing-card.featured .pricing-feature { color: rgba(255,255,255,0.7); }

.pricing-feature .check {
  color: var(--teal);
  font-size: 0.85rem;
  margin-top: 2px;
  flex-shrink: 0;
}
.pricing-feature .cross {
  color: var(--gray-200);
  font-size: 0.85rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 56px;
}

.pricing-toggle-btn {
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--text-light);
  transition: var(--transition);
  font-family: var(--font);
}
.pricing-toggle-btn.active {
  background: var(--teal);
  color: var(--dark);
  font-weight: 700;
}

.pricing-save {
  display: inline-block;
  background: rgba(45,212,191,0.12);
  color: var(--teal);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
}

/* --- Feature list (Funktionen page) --- */
.func-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.func-section.reverse { direction: rtl; }
.func-section.reverse > * { direction: ltr; }

.func-visual {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.func-visual::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(45,212,191,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.func-big-icon {
  font-size: 4rem;
  margin-bottom: 20px;
}

.func-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.func-item-icon {
  width: 36px;
  height: 36px;
  background: rgba(45,212,191,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--teal);
  flex-shrink: 0;
}

.func-item-content h4 { color: var(--gray-800); margin-bottom: 4px; }
.func-item-content p { font-size: 0.88rem; }

/* --- Signup / FAQ --- */
.signup-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.signup-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}

.signup-card h2 { margin-bottom: 8px; }
.signup-card .sub { color: var(--text-light); margin-bottom: 32px; }

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 6px;
}
.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(45,212,191,0.1);
}

.form-terms {
  font-size: 0.8rem;
  color: var(--text-light);
  margin: 16px 0 24px;
}
.form-terms a { color: var(--teal); }

.faq-list { display: flex; flex-direction: column; gap: 12px; }

.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-q {
  width: 100%;
  text-align: left;
  padding: 18px 24px;
  background: none;
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-800);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font);
  transition: color var(--transition);
}
.faq-q:hover { color: var(--teal); }

.faq-q .arrow {
  transition: transform var(--transition);
  color: var(--gray-400);
  font-size: 0.8rem;
}
.faq-item.open .faq-q .arrow { transform: rotate(180deg); color: var(--teal); }
.faq-item.open .faq-q { color: var(--teal); }

.faq-a {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-a {
  max-height: 200px;
  padding: 0 24px 18px;
}
.faq-a p { font-size: 0.9rem; }

/* --- USP Strip --- */
.usp-strip {
  background: var(--dark);
  padding: 24px 0;
  border-top: 1px solid var(--dark-border);
  border-bottom: 1px solid var(--dark-border);
}

.usp-inner {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.usp-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  font-weight: 500;
}

.usp-item svg, .usp-item span.icon {
  color: var(--teal);
}

/* --- Alpha info boxes --- */
.info-box {
  background: rgba(45,212,191,0.06);
  border: 1px solid rgba(45,212,191,0.2);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.info-box-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.info-box-content h4 { color: var(--teal); margin-bottom: 4px; font-size: 0.95rem; }
.info-box-content p { font-size: 0.875rem; }

/* --- Footer --- */
.footer {
  background: var(--dark-mid);
  color: rgba(255,255,255,0.5);
  padding: 64px 0 32px;
}

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

.footer-brand p {
  font-size: 0.875rem;
  margin-top: 12px;
  max-width: 260px;
  color: rgba(255,255,255,0.4);
  line-height: 1.7;
}

.footer-logo img {
  height: 30px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.8;
}

.footer-col h4 {
  color: rgba(255,255,255,0.8);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 16px;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-list a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.45);
  transition: color var(--transition);
}
.footer-links-list a:hover { color: var(--teal); }

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  transition: var(--transition);
}
.footer-social a:hover {
  background: rgba(45,212,191,0.15);
  color: var(--teal);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.25);
}

.footer-bottom a { color: rgba(255,255,255,0.35); }
.footer-bottom a:hover { color: var(--teal); }

/* --- PDF Feature Cards --- */
.pdf-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  align-items: start;
}

.pdf-card {
  position: relative;
  cursor: default;
}

/* Stacked paper shadow behind */
.pdf-stack-shadow {
  position: absolute;
  inset: 0;
  border-radius: 8px;
  background: white;
  border: 1px solid var(--gray-200);
  transform: rotate(2.5deg) translate(4px, 4px);
  z-index: 0;
  transition: transform var(--transition);
}
.pdf-card:nth-child(even) .pdf-stack-shadow {
  transform: rotate(-2deg) translate(-3px, 5px);
}
.pdf-card:hover .pdf-stack-shadow {
  transform: rotate(3.5deg) translate(6px, 6px);
}
.pdf-card:nth-child(even):hover .pdf-stack-shadow {
  transform: rotate(-3deg) translate(-5px, 7px);
}

/* Main document */
.pdf-doc {
  position: relative;
  z-index: 1;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.07), 0 1px 3px rgba(0,0,0,0.05);
  transition: transform var(--transition), box-shadow var(--transition);
}
.pdf-card:hover .pdf-doc {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.12), 0 4px 12px rgba(45,212,191,0.1);
}

/* PDF header bar */
.pdf-doc-header {
  background: linear-gradient(135deg, var(--dark) 0%, #1a2d3f 100%);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid var(--teal);
}
.pdf-brand-label {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.3px;
}
.pdf-doc-type {
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* Body */
.pdf-doc-body {
  padding: 18px 18px 14px;
}

.pdf-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.pdf-icon-wrap {
  width: 36px;
  height: 36px;
  background: rgba(45,212,191,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
}
.pdf-icon-wrap [data-lucide] {
  width: 18px;
  height: 18px;
  stroke-width: 1.75;
}
.pdf-doc-num {
  font-size: 0.65rem;
  color: var(--gray-400);
  font-family: 'Courier New', monospace;
  letter-spacing: 0.5px;
}

.pdf-doc-body h3 {
  font-size: 1rem;
  color: var(--gray-800);
  margin-bottom: 14px;
  line-height: 1.3;
}

/* Line items */
.pdf-lines {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--gray-100);
  border-radius: 6px;
  overflow: hidden;
  font-size: 0.75rem;
}
.pdf-line-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 10px;
  border-bottom: 1px solid var(--gray-200);
}
.pdf-line-item:last-child { border-bottom: none; }
.pdf-line-label { color: var(--gray-600); }
.pdf-line-val { color: var(--gray-800); font-weight: 600; font-family: 'Courier New', monospace; }

.pdf-line-divider {
  height: 1px;
  background: var(--gray-200);
}
.pdf-line-total {
  background: rgba(45,212,191,0.06);
  font-weight: 700;
}
.pdf-line-total span { color: var(--gray-800); }

/* Footer */
.pdf-doc-footer {
  padding: 10px 18px;
  border-top: 1px dashed var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--white);
}
.pdf-footer-sub {
  font-size: 0.62rem;
  color: var(--gray-400);
  text-align: right;
  line-height: 1.4;
  max-width: 110px;
}

/* Stamps */
.pdf-stamp {
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
  border-width: 1.5px;
  border-style: solid;
}
.pdf-stamp.paid {
  color: var(--teal);
  border-color: var(--teal);
  background: rgba(45,212,191,0.06);
  transform: rotate(-3deg);
  display: inline-block;
}
.pdf-stamp.active {
  color: #3b82f6;
  border-color: #3b82f6;
  background: rgba(59,130,246,0.06);
  transform: rotate(-3deg);
  display: inline-block;
}
.pdf-stamp.saved {
  color: #8b5cf6;
  border-color: #8b5cf6;
  background: rgba(139,92,246,0.06);
  transform: rotate(-3deg);
  display: inline-block;
}

/* Corner fold */
.pdf-fold {
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 22px 22px 0;
  border-color: transparent var(--gray-100) transparent transparent;
  z-index: 2;
  transition: border-width var(--transition);
}
.pdf-fold::after {
  content: '';
  position: absolute;
  top: 0;
  right: -22px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 22px 22px 0 0;
  border-color: var(--gray-200) transparent transparent transparent;
}
.pdf-card:hover .pdf-fold {
  border-width: 0 28px 28px 0;
}

@media (max-width: 1024px) {
  .pdf-cards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .pdf-cards-grid { grid-template-columns: 1fr; }
}

/* --- Lucide Icons --- */
[data-lucide] {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

.feature-icon [data-lucide] {
  width: 22px;
  height: 22px;
  stroke-width: 1.75;
}

.func-item-icon [data-lucide] {
  width: 18px;
  height: 18px;
  stroke-width: 1.75;
}

.perk-icon [data-lucide] {
  width: 22px;
  height: 22px;
  stroke-width: 1.75;
}

.pricing-feature .check [data-lucide] {
  width: 14px;
  height: 14px;
  stroke-width: 2.5;
}
.pricing-feature .cross [data-lucide] {
  width: 14px;
  height: 14px;
  stroke-width: 2.5;
}

.usp-item [data-lucide] {
  width: 15px;
  height: 15px;
  stroke-width: 2.5;
}

.footer-social [data-lucide] {
  width: 16px;
  height: 16px;
  stroke-width: 1.75;
}

.nav-toggle-icon [data-lucide] {
  width: 22px;
  height: 22px;
}

.faq-q .arrow [data-lucide] {
  width: 16px;
  height: 16px;
  stroke-width: 2;
  transition: transform var(--transition);
  color: var(--gray-400);
}
.faq-item.open .faq-q .arrow [data-lucide] {
  transform: rotate(180deg);
  color: var(--teal);
}

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }

/* --- Page Header (inner pages) --- */
.page-hero {
  background: var(--dark);
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(45,212,191,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero h1 { color: var(--white); margin-bottom: 16px; }
.page-hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.55);
  max-width: 520px;
  margin: 0 auto;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .pricing-card.featured { transform: scale(1); }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section--lg { padding: 80px 0; }

  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { min-height: auto; padding: 120px 0 60px; }
  .hero-visual { display: none; }
  .hero-stats { gap: 24px; }

  .grid-2 { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }

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

  .func-section { grid-template-columns: 1fr; gap: 40px; }
  .func-section.reverse { direction: ltr; }

  .signup-wrapper { grid-template-columns: 1fr; gap: 48px; }

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

  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(12,18,32,0.98);
    backdrop-filter: blur(12px);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--dark-border);
  }

  .alpha-form { flex-direction: column; }
  .usp-inner { gap: 24px; flex-direction: column; align-items: center; }
  .hero-actions { flex-direction: column; }
  .btn-lg { width: 100%; justify-content: center; }

  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .pricing-toggle { flex-wrap: wrap; }
}