/* ReceiptPlus — Shared Design System */

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

/* === CSS Custom Properties (Design Tokens) === */
:root {
  /* Primary indigo palette */
  --primary: #222777;
  --primary-container: #3a3f8f;
  --primary-fixed: #e0e0ff;
  --primary-fixed-dim: #bfc2ff;
  --inverse-primary: #bfc2ff;

  /* Secondary blue palette */
  --secondary: #3748dd;
  --secondary-container: #5364f7;
  --secondary-fixed: #dfe0ff;
  --secondary-fixed-dim: #bdc2ff;
  --on-secondary: #ffffff;
  --on-secondary-fixed: #000965;

  /* Tertiary amber/ochre palette */
  --tertiary: #4e2700;
  --tertiary-container: #6f3a00;
  --tertiary-fixed: #ffdcc3;
  --tertiary-fixed-dim: #ffb77d;
  --on-tertiary: #ffffff;
  --on-tertiary-container: #fca152;

  /* Surface system */
  --surface: #f8f9fd;
  --surface-dim: #d9dade;
  --surface-bright: #f8f9fd;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f2f3f7;
  --surface-container: #edeef2;
  --surface-container-high: #e7e8ec;
  --surface-container-highest: #e1e2e6;
  --surface-variant: #e1e2e6;
  --surface-tint: #5156a7;

  /* Content tokens */
  --on-surface: #191c1f;
  --on-surface-variant: #464651;
  --on-primary: #ffffff;
  --on-primary-fixed: #070963;
  --on-primary-container: #acb0ff;
  --background: #f8f9fd;
  --on-background: #191c1f;

  /* Borders */
  --outline: #777682;
  --outline-variant: #c7c5d3;

  /* Error */
  --error: #ba1a1a;
  --error-container: #ffdad6;
  --on-error: #ffffff;

  /* Inverse */
  --inverse-surface: #2e3134;
  --inverse-on-surface: #eff1f5;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #3a3f8f 0%, #222777 100%);

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--surface);
  color: var(--on-surface);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
}

input,
textarea,
select {
  font-family: inherit;
}

ul,
ol {
  list-style: none;
}

/* === Material Symbols === */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
  font-size: 1.25rem;
  line-height: 1;
}

.filled {
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* === Layout Utilities === */
.container {
  max-width: 88rem;
  margin-inline: auto;
  padding-inline: 2rem;
}

.container--narrow {
  max-width: 64rem;
}

.container--medium {
  max-width: 76rem;
}

/* === Navigation === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 5rem;
  background: rgba(248, 249, 253, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(199, 197, 211, 0.15);
  display: flex;
  align-items: center;
}

.nav__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.nav__logo {
  height: 2.25rem;
  width: auto;
  display: block;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--on-surface-variant);
  transition: color 0.2s;
  letter-spacing: -0.01em;
  position: relative;
  padding-bottom: 2px;
}

.nav__link:hover {
  color: var(--secondary);
}

.nav__link--active {
  color: var(--secondary);
  font-weight: 600;
}

.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--secondary);
  border-radius: var(--radius-full);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav__cta {
  background: var(--gradient-primary);
  color: #fff;
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 600;
  transition: opacity 0.2s, transform 0.15s;
  white-space: nowrap;
}

.nav__cta:hover {
  opacity: 0.9;
}

.nav__cta:active {
  transform: scale(0.97);
}

.nav__signin {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--secondary);
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--secondary);
  transition: background 0.2s, color 0.2s, transform 0.15s;
  white-space: nowrap;
}

.nav__signin:hover {
  background: var(--secondary-fixed);
  color: var(--on-secondary-fixed);
}

.nav__signin:active {
  transform: scale(0.97);
}

@media (max-width: 1024px) {
  .nav__actions .nav__signin {
    display: none;
  }
}

.nav__mobile .nav__signin {
  width: 100%;
  text-align: center;
  padding: 0.875rem;
  margin-top: 0.5rem;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 4px;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--on-surface);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav__mobile {
  display: none;
  position: fixed;
  top: 5rem;
  left: 0;
  right: 0;
  background: rgba(248, 249, 253, 0.97);
  backdrop-filter: blur(20px);
  padding: 1.5rem 2rem 2rem;
  flex-direction: column;
  gap: 1.25rem;
  z-index: 99;
  border-bottom: 1px solid rgba(199, 197, 211, 0.2);
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile .nav__link {
  font-size: 1rem;
  padding: 0.5rem 0;
}

.nav__mobile .nav__cta {
  width: 100%;
  text-align: center;
  padding: 0.875rem;
  margin-top: 0.5rem;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: 700;
  transition: opacity 0.2s, transform 0.15s, background 0.2s;
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(58, 63, 143, 0.25);
}

.btn--primary:hover {
  opacity: 0.92;
}

.btn--secondary {
  background: var(--surface-container-high);
  color: var(--on-surface);
}

.btn--secondary:hover {
  background: var(--surface-container-highest);
}

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

.btn--ghost:hover {
  background: var(--secondary-fixed);
}

.btn--white {
  background: #fff;
  color: var(--secondary);
  font-weight: 700;
}

.btn--white:hover {
  opacity: 0.95;
}

.btn--sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  border-radius: var(--radius-md);
}

.btn--lg {
  padding: 1.125rem 2.5rem;
  font-size: 1.125rem;
}

/* === Labels / Badges === */
.label {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.3rem 0.875rem;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.label--primary {
  background: var(--secondary-fixed);
  color: var(--on-secondary-fixed);
}

.label--accent {
  background: var(--primary-fixed);
  color: var(--on-primary-fixed);
}

/* === Cards === */
.card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-2xl);
  overflow: hidden;
}

.card--elevated {
  box-shadow: 0 4px 32px rgba(25, 28, 31, 0.06);
}

/* === Section spacing === */
.section {
  padding-block: 6rem;
}

.section--sm {
  padding-block: 4rem;
}

.section--lg {
  padding-block: 8rem;
}

/* === Page padding (below fixed nav) === */
.page-top {
  padding-top: 5rem;
}

/* === Typography === */
.display-xl {
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.display-lg {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.display-md {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.headline {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.body-lg {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--on-surface-variant);
}

.body-md {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--on-surface-variant);
}

.caption {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--secondary);
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === Bento Grid === */
.bento {
  display: grid;
  gap: 1.25rem;
}

.bento--3 {
  grid-template-columns: repeat(3, 1fr);
}

.bento--2 {
  grid-template-columns: repeat(2, 1fr);
}

.bento--12 {
  grid-template-columns: repeat(12, 1fr);
}

/* Bento cards */
.bento-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-2xl);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
}

.bento-card--accent {
  background: var(--gradient-primary);
  color: #fff;
}

.bento-card--muted {
  background: var(--surface-container-low);
}

.bento-card--amber {
  background: var(--tertiary-container);
  color: #fff;
}

/* === Footer === */
.footer {
  background: #f4f5fa;
  padding-block: 4rem;
  border-top: 1px solid rgba(199, 197, 211, 0.25);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer__brand-logo {
  height: 1.75rem;
  width: auto;
  margin-bottom: 1rem;
}

.footer__tagline {
  font-size: 0.875rem;
  color: #6b7280;
  line-height: 1.65;
  max-width: 18rem;
}

.footer__title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--on-surface);
  margin-bottom: 1.25rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.footer__link {
  font-size: 0.875rem;
  color: #6b7280;
  transition: color 0.2s;
}

.footer__link:hover {
  color: var(--secondary);
}

.footer__link--active {
  color: var(--secondary);
}

.footer__bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(199, 197, 211, 0.3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer__copy {
  font-size: 0.8rem;
  color: #9ca3af;
}

.footer__socials {
  display: flex;
  gap: 0.75rem;
}

.footer__social-btn {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  background: var(--surface-container-high);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: background 0.2s, color 0.2s;
}

.footer__social-btn:hover {
  background: var(--primary);
  color: #fff;
}

.footer__newsletter {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.footer__newsletter input {
  flex: 1;
  padding: 0.625rem 1rem;
  background: var(--surface-container-lowest);
  border: 1px solid rgba(199, 197, 211, 0.35);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--on-surface);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.footer__newsletter input:focus {
  border-color: var(--primary-fixed-dim);
  box-shadow: 0 0 0 3px rgba(191, 194, 255, 0.25);
}

.footer__newsletter button {
  padding: 0.625rem 1.25rem;
  background: var(--gradient-primary);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  transition: opacity 0.2s;
}

.footer__newsletter button:hover {
  opacity: 0.9;
}

/* === Testimonial Cards === */
.testimonial {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  box-shadow: 0 2px 16px rgba(25, 28, 31, 0.05);
  transition: box-shadow 0.3s;
}

.testimonial:hover {
  box-shadow: 0 8px 32px rgba(25, 28, 31, 0.1);
}

.testimonial__stars {
  display: flex;
  gap: 0.25rem;
  color: var(--tertiary-fixed-dim);
  margin-bottom: 1rem;
}

.testimonial__quote {
  font-size: 0.9375rem;
  color: var(--on-surface);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial__avatar {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-full);
  background: var(--surface-container-high);
  overflow: hidden;
  flex-shrink: 0;
}

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

.testimonial__name {
  font-weight: 700;
  font-size: 0.9375rem;
}

.testimonial__role {
  font-size: 0.75rem;
  color: var(--on-surface-variant);
}

/* === Stats === */
.stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--on-surface);
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--on-surface-variant);
}

/* === FAQ Accordion === */
.faq {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(199, 197, 211, 0.15);
}

.faq summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  cursor: pointer;
  font-weight: 700;
  font-size: 1rem;
  list-style: none;
  transition: background 0.2s;
}

.faq summary:hover {
  background: var(--surface-container-low);
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  transition: transform 0.3s;
  flex-shrink: 0;
}

details[open] .faq-icon {
  transform: rotate(180deg);
}

.faq__body {
  padding: 0 1.5rem 1.5rem;
  color: var(--on-surface-variant);
  line-height: 1.7;
  font-size: 0.9375rem;
}

/* === Progress Bars === */
.progress-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--secondary);
  transition: width 0.5s ease;
}

/* === Animations === */
@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.95);
    opacity: 0.7;
  }

  100% {
    transform: scale(1.05);
    opacity: 0;
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slide-in-left {
  from {
    opacity: 0;
    transform: translateX(-24px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-float {
  animation: float 4s ease-in-out infinite;
}

.animate-fade-up {
  animation: fade-up 0.6s ease forwards;
}

/* Step connector line */
.step-connector {
  position: absolute;
  top: 2rem;
  left: calc(50% + 2rem);
  right: calc(-50% + 2rem);
  height: 2px;
  background: repeating-linear-gradient(90deg,
      var(--outline-variant) 0,
      var(--outline-variant) 6px,
      transparent 6px,
      transparent 14px);
}

/* === Form Elements === */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--surface-container-low);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--on-surface);
  outline: none;
  transition: box-shadow 0.2s;
}

.form-input:focus {
  box-shadow: 0 0 0 2.5px var(--primary-fixed-dim);
}

.form-input::placeholder {
  color: var(--outline);
}

/* === Comparison Table === */
.compare-table {
  width: 100%;
  border-collapse: collapse;
}

.compare-table th,
.compare-table td {
  padding: 1.25rem 1.5rem;
  text-align: left;
}

.compare-table thead th {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  border-bottom: 1px solid rgba(199, 197, 211, 0.2);
}

.compare-table tbody tr:nth-child(odd) {
  background: var(--surface-container-lowest);
}

.compare-table tbody tr:nth-child(even) {
  background: transparent;
}

/* === Responsive Breakpoints === */
@media (max-width: 1024px) {
  .bento--12 {
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .bento--3,
  .bento--2,
  .bento--12 {
    grid-template-columns: 1fr;
  }

  .section {
    padding-block: 4rem;
  }

  .section--lg {
    padding-block: 5rem;
  }

  .display-xl {
    font-size: 2.5rem;
  }

  .display-lg {
    font-size: 2rem;
  }

  .container {
    padding-inline: 1.25rem;
  }
}

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

/* === Glow / Blob Backgrounds === */
.blob {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.35;
}

.blob--primary {
  background: var(--primary-fixed-dim);
}

.blob--secondary {
  background: var(--secondary-fixed);
}

/* === Dark hero band === */
.dark-band {
  background: var(--inverse-surface);
  color: var(--inverse-on-surface);
}

/* === Check / X icons in tables === */
.icon-check {
  color: var(--secondary);
  font-weight: 700;
}

.icon-cross {
  color: var(--outline);
}

/* === Scroll to top button === */
#scroll-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(58, 63, 143, 0.3);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s, transform 0.3s;
  z-index: 50;
}

#scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
}