:root {
  --primary: #00c853;
  --primary-dark: #00a843;
  --secondary: #2196f3;
  --accent: #9c27b0;
  --background: #fafafa;
  --surface: #ffffff;
  --text-primary: #212121;
  --text-secondary: #757575;
  --border: #e0e0e0;
  --income: #4caf50;
  --expense: #e53935;
  --error: #f44336;
  --radius-lg: 20px;
  --radius-md: 16px;
  --container: 1120px;
  --shadow: 0 16px 40px rgba(20, 26, 35, 0.08);
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text-primary);
  background: var(--background);
  line-height: 1.55;
  min-height: 100vh;
}

.page-bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 8% 8%, rgba(0, 200, 83, 0.18), transparent 34%),
    radial-gradient(circle at 92% 12%, rgba(33, 150, 243, 0.14), transparent 30%),
    radial-gradient(circle at 55% 95%, rgba(156, 39, 176, 0.08), transparent 28%),
    linear-gradient(180deg, #ffffff, #f8fbff 56%, #f7fff9);
  z-index: -2;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  width: min(var(--container), calc(100% - 40px));
  margin: 18px auto 0;
  padding: 14px 16px;
  border: 1px solid rgba(224, 224, 224, 0.85);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 14px;
  z-index: 20;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand__logo {
  width: 44px;
  height: 44px;
  display: block;
  object-fit: contain;
  border-radius: 10px;
}

.brand__text {
  font: 700 1.02rem/1 "Space Grotesk", sans-serif;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 4px;
  padding: 3px;
  border-radius: 12px;
  border: 1px solid #d4deea;
  background: #f4f8fc;
}

.lang-toggle__button {
  border: 0;
  padding: 8px 10px;
  border-radius: 9px;
  background: transparent;
  color: #5a6f85;
  font: 700 0.78rem/1 "Space Grotesk", sans-serif;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.lang-toggle__button:hover {
  color: #24394f;
}

.lang-toggle__button.is-active {
  background: #ffffff;
  color: #0f2133;
  box-shadow: 0 4px 10px rgba(36, 57, 79, 0.13);
}

.nav__link {
  text-decoration: none;
  color: var(--text-secondary);
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.nav__link:hover {
  background: #f4f7fa;
  color: var(--text-primary);
}

.nav__link--active {
  color: var(--text-primary);
  background: #edf8f1;
}

.nav__link--button {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 8px 18px rgba(0, 200, 83, 0.25);
}

.nav__link--button:hover {
  color: #fff;
  background: linear-gradient(135deg, #00bc4e, #00983d);
  transform: translateY(-1px);
}

main {
  padding: 28px 0 46px;
}

.hero {
  margin-top: 26px;
  padding: 44px;
  border: 1px solid rgba(224, 224, 224, 0.85);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(245, 255, 249, 0.9));
  border-radius: 30px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  box-shadow: var(--shadow);
}

.badge {
  margin: 0 0 18px;
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: #e8f9ef;
  border: 1px solid #d1f4df;
  color: #129444;
  font-size: 0.86rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  line-height: 1.16;
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  margin-bottom: 16px;
}

.hero__text {
  color: var(--text-secondary);
  max-width: 58ch;
  font-size: 1.05rem;
  margin-bottom: 22px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.96rem;
  cursor: pointer;
  padding: 12px 18px;
  transition: all 0.22s ease;
}

.button--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 12px 24px rgba(0, 200, 83, 0.25);
}

.button--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 28px rgba(0, 168, 67, 0.28);
}

.button--ghost {
  color: var(--text-primary);
  border-color: var(--border);
  background: #fff;
}

.button--ghost:hover {
  background: #f4f7fa;
}

.hero__panel {
  display: grid;
  gap: 14px;
}

.metric-card {
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 18px;
}

.metric-card__label {
  margin: 0;
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.metric-card__value {
  margin: 8px 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.15rem, 2.1vw, 1.65rem);
  font-weight: 700;
}

.metric-card__sub {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.metric-card--income {
  border-color: rgba(76, 175, 80, 0.32);
  background: linear-gradient(130deg, rgba(232, 245, 233, 0.75), rgba(255, 255, 255, 0.95));
}

.metric-card--expense {
  border-color: rgba(229, 57, 53, 0.22);
  background: linear-gradient(130deg, rgba(255, 235, 238, 0.66), rgba(255, 255, 255, 0.95));
}

.section {
  margin-top: 34px;
}

.section-head {
  margin-bottom: 18px;
}

.section-head p {
  margin: 8px 0 0;
  color: var(--text-secondary);
}

.features-grid,
.guides-grid {
  display: grid;
  gap: 14px;
}

.features-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.guides-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: 0 6px 18px rgba(18, 23, 31, 0.04);
}

.card h3 {
  margin-bottom: 10px;
}

.card p {
  margin: 0;
  color: var(--text-secondary);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border-radius: 18px;
  border: 1px solid #d8e3eb;
  background: linear-gradient(160deg, #ffffff, #fbfdff);
  padding: 0 16px;
  box-shadow: 0 8px 22px rgba(18, 23, 31, 0.045);
  transition: border-color 0.24s ease, box-shadow 0.24s ease, transform 0.24s ease;
  animation: faqCardIn 0.42s ease both;
}

.faq-item:nth-child(2) {
  animation-delay: 0.05s;
}

.faq-item:nth-child(3) {
  animation-delay: 0.1s;
}

.faq-item:nth-child(4) {
  animation-delay: 0.15s;
}

.faq-item:nth-child(5) {
  animation-delay: 0.2s;
}

.faq-item:nth-child(6) {
  animation-delay: 0.25s;
}

.faq-item:hover {
  transform: translateY(-1px);
  border-color: #c7d9e5;
  box-shadow: 0 12px 30px rgba(18, 23, 31, 0.08);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  padding: 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.faq-item summary::after {
  content: "+";
  width: 28px;
  height: 28px;
  border-radius: 9px;
  border: 1px solid #d5dde6;
  color: #4b5e71;
  display: grid;
  place-items: center;
  font: 700 18px/1 "Space Grotesk", sans-serif;
  transition: transform 0.24s ease, background-color 0.24s ease, color 0.24s ease;
}

.faq-item[open] {
  border-color: #cae8d4;
  box-shadow: 0 14px 28px rgba(0, 168, 67, 0.12);
}

.faq-item[open] summary::after {
  content: "−";
  transform: rotate(180deg);
  background: #eaf8ef;
  color: #118740;
}

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

.faq-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.28s ease;
}

.faq-item[open] .faq-content {
  grid-template-rows: 1fr;
}

.faq-content p {
  margin: 0;
  padding: 0 0 16px;
  color: var(--text-secondary);
  overflow: hidden;
}

.faq-item[open] .faq-content p {
  animation: faqOpenContent 0.26s ease;
}

.link-inline {
  display: inline-block;
  margin-top: 14px;
  color: var(--secondary);
  font-weight: 700;
  text-decoration: none;
}

.link-inline:hover {
  text-decoration: underline;
}

.cta {
  border: 1px solid var(--border);
  background: linear-gradient(130deg, #f2fff8, #f5f9ff);
  border-radius: 24px;
  padding: 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.cta h2 {
  margin-bottom: 8px;
}

.cta p {
  margin: 0;
  color: var(--text-secondary);
  max-width: 72ch;
}

.cta__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.site-footer {
  width: min(var(--container), calc(100% - 40px));
  margin: 20px auto 32px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--text-secondary);
  font-size: 0.93rem;
}

.footer-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.static-page {
  margin-top: 28px;
}

.static-page h1 {
  font-size: clamp(1.8rem, 3.8vw, 2.6rem);
}

.policy-block + .policy-block {
  margin-top: 12px;
}

.policy-layout {
  display: grid;
  gap: 12px;
}

.policy-lang[hidden] {
  display: none !important;
}

.policy-block h2 {
  margin-bottom: 10px;
}

.policy-block p {
  color: var(--text-secondary);
  margin: 0 0 10px;
}

.policy-block ul {
  margin: 0 0 10px;
  padding-left: 22px;
  color: var(--text-secondary);
}

.policy-block li + li {
  margin-top: 6px;
}

.policy-contact {
  margin-bottom: 6px;
}

.policy-contact a {
  color: #156bc0;
  text-decoration: none;
}

.policy-contact a:hover {
  text-decoration: underline;
}

.static-callout {
  margin-top: 20px;
}

.static-callout h2 {
  margin-bottom: 8px;
}

.static-callout p {
  margin-bottom: 16px;
}

.support-page {
  margin-top: 28px;
}

.support-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 14px;
}

.support-hint {
  margin-top: 0;
  margin-bottom: 16px;
  color: #5d6f80;
  background: #f4f8fb;
  border: 1px solid #dce6ef;
  border-radius: 12px;
  padding: 10px 12px;
}

.support-hint--ok {
  color: #13773a;
  background: #edf9f1;
  border-color: #cdebd7;
}

.support-hint--warn {
  color: #8a5d00;
  background: #fff8e7;
  border-color: #f1ddb0;
}

.support-form {
  display: grid;
  gap: 8px;
}

.support-form label {
  font-weight: 700;
  font-size: 0.92rem;
}

.support-form input,
.support-form textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid #cfd8dc;
  background: #fff;
  padding: 11px 12px;
  font: inherit;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.support-form input:focus,
.support-form textarea:focus {
  border-color: rgba(33, 150, 243, 0.8);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.15);
}

.support-form textarea {
  resize: vertical;
}

.form-status {
  margin: 4px 0 0;
  min-height: 24px;
  font-size: 0.93rem;
  font-weight: 600;
}

.form-status--ok {
  color: var(--income);
}

.form-status--error {
  color: var(--error);
}

.support-note h3 {
  margin-bottom: 8px;
}

.support-note ul {
  margin: 0 0 12px;
  padding-left: 18px;
  color: var(--text-secondary);
}

.support-note p {
  color: var(--text-secondary);
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  animation: revealUp 0.56s ease forwards;
}

.reveal:nth-child(2) {
  animation-delay: 0.08s;
}

.reveal:nth-child(3) {
  animation-delay: 0.16s;
}

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

@keyframes faqOpenContent {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes faqCardIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 30px;
  }

  .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .support-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header {
    top: 10px;
    width: calc(100% - 24px);
    padding: 12px;
  }

  .container {
    width: calc(100% - 24px);
  }

  .hero {
    margin-top: 18px;
    padding: 20px;
    border-radius: 22px;
  }

  .features-grid,
  .guides-grid {
    grid-template-columns: 1fr;
  }

  .cta {
    padding: 18px;
  }

  .lang-toggle {
    margin-left: 0;
  }
}