/* TrueLedger - Core Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400;500;600;700;800&family=Caveat:wght@600;700&family=IBM+Plex+Mono:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --color-bg-paper: #EEF3E8;
  --color-ruled-line: #D6E1D4;
  --color-margin-red: #E3948A;
  --color-teal-dark: #0B3C49;
  --color-gold: #E0A526;
  --color-green-handwritten: #0A7F59;
  --color-stamp-red: #B53A26;
  --color-credit-green: #1E7A50;
  --color-text-dark: #14201F;
  --color-text-muted: #3E4F4C;
  --color-dashed-line: #BFCFC1;
  --color-dashed-dark: #A9BCAD;
  --color-sticky-yellow: #FBE38E;
  --color-paper-white: #FFFFFF;
  --color-paper-light: #F4F7F0;
  
  --font-heading: 'Bricolage Grotesque', Inter, sans-serif;
  --font-handwritten: 'Caveat', 'Comic Sans MS', cursive;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--color-bg-paper);
}

body {
  color: var(--color-text-dark);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  background-color: var(--color-bg-paper);
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 35px,
    var(--color-ruled-line) 35px,
    var(--color-ruled-line) 36px
  );
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Red Margin Rule of Traditional Indian Bahi-Khata Ledger */
.ledger-margin-line {
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-margin-red);
  opacity: 0.75;
  pointer-events: none;
  z-index: 1;
}

/* Typography Helpers */
.bg {
  font-family: var(--font-heading);
}

.hw {
  font-family: var(--font-handwritten);
  font-weight: 600;
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* Links & Buttons */
a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

a:hover {
  opacity: 0.88;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 17px;
  border: 2px solid var(--color-teal-dark);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: var(--color-teal-dark);
  color: var(--color-paper-light);
  box-shadow: 5px 5px 0 var(--color-gold);
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--color-gold);
  opacity: 1;
}

.btn-primary:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--color-gold);
}

.btn-secondary {
  background: var(--color-paper-white);
  color: var(--color-teal-dark);
  box-shadow: 3px 3px 0 rgba(11, 60, 73, 0.15);
}

.btn-secondary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 rgba(11, 60, 73, 0.2);
  opacity: 1;
}

.btn-secondary:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 rgba(11, 60, 73, 0.15);
}

.btn-nav {
  padding: 9px 20px;
  font-size: 16px;
  transform: rotate(-1.5deg);
  background: var(--color-paper-white);
  color: var(--color-teal-dark);
}

.btn-nav:hover {
  transform: rotate(0deg) scale(1.04);
  background: var(--color-teal-dark);
  color: var(--color-paper-light);
}

/* Layout Containers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  box-sizing: border-box;
  position: relative;
  z-index: 2;
}

/* Header & Navigation */
header.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 26px 32px;
  box-sizing: border-box;
  position: relative;
  z-index: 10;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 28px;
  letter-spacing: -0.035em;
  color: var(--color-teal-dark);
  transition: transform 0.2s ease;
}

.logo-brand:hover {
  transform: scale(1.02);
  opacity: 1;
}

.logo-brand svg {
  display: block;
  flex-shrink: 0;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.logo-brand:hover svg {
  transform: rotate(-3deg) scale(1.06);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 26px;
  font-weight: 500;
}

.nav-links a:not(.btn) {
  position: relative;
  padding: 4px 0;
  color: var(--color-text-dark);
}

.nav-links a:not(.btn)::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 2px;
  background: var(--color-gold);
  transition: width 0.25s ease;
}

.nav-links a:not(.btn):hover::after {
  width: 100%;
}

.nav-tally-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.keyboard-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  font-size: 13px;
  font-family: var(--font-mono);
  background: rgba(11, 60, 73, 0.08);
  border: 1px solid rgba(11, 60, 73, 0.2);
  border-radius: 4px;
  color: var(--color-teal-dark);
  cursor: pointer;
  transition: all 0.2s ease;
}

.keyboard-badge:hover {
  background: var(--color-teal-dark);
  color: var(--color-paper-light);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--color-teal-dark);
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--color-teal-dark);
  font-size: 20px;
}

/* Hero Section */
.hero-section {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 32px 96px;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 64px;
  align-items: center;
  z-index: 2;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.hero-subtitle {
  margin: 0;
  font-size: 30px;
  color: var(--color-green-handwritten);
  transform: rotate(-2deg);
  align-self: flex-start;
  transition: transform 0.2s ease;
}

.hero-subtitle:hover {
  transform: rotate(0deg) scale(1.05);
}

.hero-title {
  margin: 0;
  font-weight: 800;
  font-size: clamp(44px, 6.4vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--color-teal-dark);
}

.highlight-true {
  position: relative;
  display: inline-block;
}

.hero-desc {
  margin: 0;
  font-size: 20px;
  color: #32443F;
  max-width: 520px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding-top: 6px;
}

/* Ledger Sample Card (Right Hero Visual) */
.ledger-card-wrapper {
  position: relative;
  padding: 12px 0 56px;
  perspective: 1000px;
}

.tape-top {
  position: absolute;
  top: -6px;
  left: 42%;
  width: 96px;
  height: 28px;
  background: rgba(224, 165, 38, 0.6);
  transform: rotate(-4deg);
  z-index: 4;
  backdrop-filter: blur(1px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.ledger-sheet {
  position: relative;
  background: var(--color-paper-white);
  padding: 30px 28px 22px;
  transform: rotate(1.6deg);
  box-shadow: 0 18px 34px rgba(11, 60, 73, 0.16), 0 4px 10px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-dashed-line);
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.ledger-sheet:hover {
  transform: rotate(0.5deg) translateY(-4px);
  box-shadow: 0 24px 44px rgba(11, 60, 73, 0.22);
}

.ledger-header-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #5B6B68;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-teal-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ledger-table-head {
  color: #5B6B68;
  font-size: 12px;
}

.lr {
  display: grid;
  grid-template-columns: 1fr 36px 112px;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--color-dashed-line);
  font-size: 14px;
  align-items: center;
  transition: background 0.15s ease;
}

.lr:hover {
  background: rgba(238, 243, 232, 0.5);
}

.lr-closing {
  border-bottom: 0;
  font-weight: 700;
  color: var(--color-teal-dark);
  margin-top: 4px;
}

.double-underline {
  text-align: right;
  border-bottom: 6px double var(--color-teal-dark);
  padding-bottom: 2px;
}

.tag-cr {
  color: var(--color-credit-green);
  font-weight: 700;
}

.tag-dr {
  color: var(--color-stamp-red);
  font-weight: 700;
}

.stamp-matched {
  position: absolute;
  right: -8px;
  top: -34px;
  z-index: 5;
  transform: rotate(-9deg);
  border: 3px solid var(--color-stamp-red);
  outline: 1.5px solid var(--color-stamp-red);
  outline-offset: 3px;
  color: var(--color-stamp-red);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.14em;
  padding: 7px 14px;
  background: rgba(238, 243, 232, 0.9);
  box-shadow: 2px 2px 8px rgba(181, 58, 38, 0.15);
  user-select: none;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.stamp-matched:hover {
  transform: rotate(-6deg) scale(1.08);
}

.stamp-matched.stamped-animation {
  animation: stampWobble 0.4s ease-out;
}

@keyframes stampWobble {
  0% { transform: scale(1.4) rotate(-15deg); opacity: 0.7; }
  50% { transform: scale(0.95) rotate(-7deg); }
  100% { transform: scale(1) rotate(-9deg); opacity: 1; }
}

.ledger-annotation {
  position: absolute;
  left: 8px;
  bottom: 0;
  font-size: 30px;
  color: var(--color-green-handwritten);
  transform: rotate(-3deg);
  user-select: none;
  transition: transform 0.2s ease;
}

.ledger-annotation:hover {
  transform: rotate(-1deg) scale(1.05);
}

.interactive-ledger-hint {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dotted var(--color-dashed-line);
}

.btn-mini-add {
  font-size: 12px;
  padding: 4px 10px;
  background: var(--color-bg-paper);
  border: 1px solid var(--color-teal-dark);
  border-radius: 4px;
  color: var(--color-teal-dark);
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-mini-add:hover {
  background: var(--color-teal-dark);
  color: #fff;
}

/* Features Section */
.features-section {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 32px 96px;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 64px;
  z-index: 2;
}

.features-header {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-self: start;
}

.features-title {
  margin: 0;
  font-weight: 800;
  font-size: clamp(38px, 5vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-teal-dark);
}

.features-handwritten {
  margin: 0;
  font-size: 32px;
  color: var(--color-green-handwritten);
  transform: rotate(-1.5deg);
}

.features-desc {
  margin: 0;
  color: #32443F;
  max-width: 420px;
}

.features-list {
  display: flex;
  flex-direction: column;
}

.it {
  display: flex;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px dashed var(--color-dashed-dark);
  transition: transform 0.2s ease, background 0.2s ease;
}

.it:first-child {
  border-top: 1px dashed var(--color-dashed-dark);
}

.it:hover {
  transform: translateX(6px);
}

.it svg {
  flex: none;
  margin-top: 6px;
  transition: transform 0.2s ease;
}

.it:hover svg {
  transform: scale(1.2) rotate(5deg);
}

.it h3 {
  margin: 0 0 4px;
  font: 800 23px var(--font-heading);
  color: var(--color-teal-dark);
}

.it p {
  margin: 0;
  color: var(--color-text-muted);
}

/* Tally Migration / Switch Section */
.switch-section {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 32px 96px;
  box-sizing: border-box;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 72px;
  z-index: 2;
}

.sticky-note {
  position: relative;
  width: 340px;
  max-width: 100%;
  box-sizing: border-box;
  background: var(--color-sticky-yellow);
  padding: 38px 30px 34px;
  transform: rotate(-2.5deg);
  box-shadow: 0 14px 24px rgba(11, 60, 73, 0.18), 0 2px 6px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.sticky-note:hover {
  transform: rotate(-1deg) scale(1.03);
  box-shadow: 0 18px 32px rgba(11, 60, 73, 0.25);
}

.sticky-tape {
  position: absolute;
  top: -13px;
  left: 120px;
  width: 90px;
  height: 26px;
  background: rgba(255, 255, 255, 0.55);
  transform: rotate(3deg);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(1px);
}

.sticky-title {
  font-size: 36px;
  line-height: 1.1;
  color: var(--color-teal-dark);
  margin-bottom: 14px;
}

.sticky-steps {
  font-size: 29px;
  line-height: 1.35;
  color: #2A3A37;
}

.sticky-tap-hint {
  margin-top: 14px;
  font-size: 13px;
  font-family: var(--font-mono);
  color: rgba(11, 60, 73, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.switch-content {
  flex: 1;
  min-width: 300px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.switch-title {
  margin: 0;
  font-weight: 800;
  font-size: clamp(34px, 4.4vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--color-teal-dark);
}

.switch-desc {
  margin: 0;
  color: #32443F;
  max-width: 520px;
}

.switch-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.switch-pill {
  font-size: 14px;
  font-family: var(--font-mono);
  padding: 6px 14px;
  background: rgba(11, 60, 73, 0.08);
  border: 1px solid rgba(11, 60, 73, 0.2);
  border-radius: 20px;
  color: var(--color-teal-dark);
}

/* Call to Action Section */
.cta-section {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px 96px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
  text-align: center;
  z-index: 2;
}

.cta-title {
  margin: 0;
  font-weight: 800;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--color-teal-dark);
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
}

/* Footer */
footer.site-footer {
  position: relative;
  border-top: 6px double var(--color-teal-dark);
  background: var(--color-bg-paper);
  z-index: 2;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 26px 32px;
  box-sizing: border-box;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 15px;
  color: #4A5B58;
}

.footer-brand {
  font-size: 20px;
  letter-spacing: -0.03em;
  color: var(--color-teal-dark);
}

.footer-tagline {
  font-size: 24px;
  color: var(--color-green-handwritten);
}

/* Modal System (Login, Trial, Migration & Shortcuts) */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 60, 73, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  position: relative;
  background: var(--color-paper-white);
  border: 2px solid var(--color-teal-dark);
  border-radius: 12px;
  padding: 36px 32px;
  width: 100%;
  max-width: 480px;
  box-shadow: 10px 10px 0 var(--color-teal-dark);
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-overlay.active .modal-card {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 26px;
  color: var(--color-teal-dark);
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 4px;
}

.modal-close-btn:hover {
  background: rgba(11, 60, 73, 0.1);
}

.modal-title {
  font: 800 28px var(--font-heading);
  color: var(--color-teal-dark);
  margin-bottom: 6px;
}

.modal-subtitle {
  color: var(--color-text-muted);
  font-size: 15px;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-teal-dark);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  font-family: inherit;
  border: 2px solid var(--color-dashed-dark);
  border-radius: 6px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  background: #FAFBF9;
}

.form-input:focus {
  border-color: var(--color-teal-dark);
  box-shadow: 0 0 0 3px rgba(11, 60, 73, 0.12);
}

.form-submit-btn {
  width: 100%;
  margin-top: 10px;
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--color-teal-dark);
  color: var(--color-paper-light);
  padding: 12px 20px;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--color-gold);
  font-size: 15px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2000;
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* Responsive Media Queries */
@media (max-width: 900px) {
  .ledger-margin-line {
    display: none;
  }
  
  .hero-section {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 32px 20px 64px;
  }
  
  .features-section,
  .switch-section,
  .cta-section {
    padding-left: 20px;
    padding-right: 20px;
    gap: 40px;
  }
  
  header.site-header {
    padding: 20px;
  }
}

@media (max-width: 768px) {
  .mobile-nav-toggle {
    display: block;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 20px;
    right: 20px;
    background: var(--color-paper-white);
    border: 2px solid var(--color-teal-dark);
    border-radius: 8px;
    padding: 20px;
    flex-direction: column;
    align-items: flex-start;
    box-shadow: 0 12px 24px rgba(11, 60, 73, 0.15);
  }
  
  .nav-links.open {
    display: flex;
  }
  
  .nav-links a {
    width: 100%;
    padding: 8px 0;
  }
  
  .btn-nav {
    width: 100%;
    text-align: center;
    transform: none;
  }
  
  .sticky-note {
    width: 100%;
    transform: rotate(-1deg);
  }
  
  .hero-title {
    font-size: 42px;
  }
  
  .lr {
    grid-template-columns: 1fr 30px 90px;
    font-size: 13px;
  }
}