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

:root {
  --bg: #0a0a0f;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --text: #e4e4e7;
  --text-dim: #71717a;
  --text-bright: #fafafa;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --gradient: linear-gradient(135deg, #6366f1, #a855f7, #ec4899);
  --gradient-subtle: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(168,85,247,0.15));
  --radius: 12px;
  --radius-sm: 8px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-bright);
}

.nav__logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--gradient);
  border-radius: 8px;
  font-weight: 800;
  font-size: 0.95rem;
  color: #fff;
}

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

.nav__links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color 0.2s;
}

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

.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.lang-toggle:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
}

.nav__btn {
  font-size: 0.875rem;
  font-weight: 500;
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.nav__btn--login {
  color: var(--text-dim);
}

.nav__btn--login:hover {
  color: var(--text-bright);
}

.nav__btn--register {
  background: var(--gradient);
  color: #fff;
  font-weight: 600;
}

.nav__btn--register:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 150px 0 80px;
  text-align: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(99,102,241,0.15), transparent),
    radial-gradient(ellipse 40% 40% at 70% 10%, rgba(168,85,247,0.1), transparent),
    radial-gradient(ellipse 40% 40% at 30% 10%, rgba(236,72,153,0.08), transparent);
  pointer-events: none;
}

.hero__inner {
  position: relative;
}

.hero__badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--gradient-subtle);
  border: 1px solid rgba(99,102,241,0.25);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-bright);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

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

.hero__subtitle {
  max-width: 600px;
  margin: 0 auto 36px;
  font-size: 1.1rem;
  color: var(--text-dim);
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 0.925rem;
  font-weight: 600;
  transition: all 0.2s;
  cursor: pointer;
}

.btn--primary {
  background: var(--gradient);
  color: #fff;
  border: none;
}

.btn--primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(99,102,241,0.3);
}

.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--text-bright);
  background: rgba(99,102,241,0.05);
}

/* ===== Section commons ===== */
.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--text-bright);
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.section__subtitle {
  text-align: center;
  color: var(--text-dim);
  max-width: 520px;
  margin: 0 auto 48px;
  font-size: 1.05rem;
}

/* ===== Screenshots / Mockups ===== */
.screenshots {
  padding: 80px 0 100px;
}

.screenshots__carousel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.mockup {
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}

.mockup:hover {
  border-color: rgba(99,102,241,0.25);
  transform: translateY(-4px);
}

.mockup__header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}

.mockup__dots {
  display: flex;
  gap: 5px;
}

.mockup__dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.mockup__dots span:nth-child(1) { background: #ef4444; }
.mockup__dots span:nth-child(2) { background: #eab308; }
.mockup__dots span:nth-child(3) { background: #22c55e; }

.mockup__tab {
  margin-left: auto;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-dim);
}

.mockup__body {
  padding: 16px;
}

.mockup__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.mockup__greeting {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-bright);
}

.mockup__date,
.mockup__filter-pill {
  font-size: 0.65rem;
  color: var(--text-dim);
  background: rgba(255,255,255,0.05);
  padding: 3px 8px;
  border-radius: 4px;
}

/* Dashboard stat cards */
.mockup__cards {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 14px;
}

.mockup__stat-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mockup__stat-card--balance {
  grid-column: 1 / -1;
  background: var(--gradient-subtle);
  border-color: rgba(99,102,241,0.2);
}

.mockup__stat-label {
  font-size: 0.6rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.mockup__stat-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-bright);
}

.mockup__stat-value small {
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--text-dim);
}

.mockup__stat-value--green { color: #4ade80; }
.mockup__stat-value--red { color: #f87171; }

.mockup__stat-change {
  font-size: 0.6rem;
  font-weight: 600;
}

.mockup__stat-change--up { color: #4ade80; }

/* Chart bars */
.mockup__chart-section {
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
  padding: 12px;
}

.mockup__chart-title {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-dim);
  display: block;
  margin-bottom: 10px;
}

.mockup__bars {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  height: 80px;
  gap: 6px;
}

.mockup__bar-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  height: 100%;
  justify-content: flex-end;
}

.mockup__bar-group span {
  font-size: 0.55rem;
  color: var(--text-dim);
}

.mockup__bar {
  width: 100%;
  max-width: 28px;
  background: var(--gradient);
  border-radius: 3px 3px 0 0;
  opacity: 0.8;
}

.mockup__bar--active {
  opacity: 1;
  box-shadow: 0 0 12px rgba(99,102,241,0.4);
}

.mockup__bar--dim {
  opacity: 0.3;
}

/* Analytics donut */
.mockup__donut-section {
  display: flex;
  gap: 16px;
  align-items: center;
}

.mockup__donut {
  position: relative;
  width: 110px;
  min-width: 110px;
  height: 110px;
}

.mockup__donut svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.mockup__donut-center {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-bright);
  text-align: center;
  line-height: 1.2;
}

.mockup__donut-center small {
  font-size: 0.55rem;
  font-weight: 500;
  color: var(--text-dim);
}

.mockup__legend {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mockup__legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.65rem;
  color: var(--text);
}

.mockup__legend-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.mockup__legend-val {
  margin-left: auto;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

/* Transactions list */
.mockup__tx-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mockup__tx {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  transition: background 0.15s;
}

.mockup__tx:hover {
  background: rgba(255,255,255,0.03);
}

.mockup__tx-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.mockup__tx-icon--green { background: rgba(34,197,94,0.12); color: #4ade80; }
.mockup__tx-icon--red { background: rgba(239,68,68,0.12); color: #f87171; }
.mockup__tx-icon--blue { background: rgba(59,130,246,0.12); color: #60a5fa; }

.mockup__tx-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.mockup__tx-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-bright);
}

.mockup__tx-cat {
  font-size: 0.6rem;
  color: var(--text-dim);
}

.mockup__tx-amount {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.mockup__tx-amount--green { color: #4ade80; }
.mockup__tx-amount--red { color: #f87171; }

/* ===== Features ===== */
.features {
  padding: 100px 0;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(99,102,241,0.2);
  transform: translateY(-2px);
}

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--gradient-subtle);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 10px;
  color: var(--accent-light);
  margin-bottom: 16px;
}

.card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 8px;
}

.card__text {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ===== Pricing ===== */
.pricing {
  padding: 100px 0;
}

.pricing__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 720px;
  margin: 0 auto;
}

.pricing__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing__card--pro {
  background: rgba(99,102,241,0.06);
  border-color: rgba(99,102,241,0.25);
}

.pricing__popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 999px;
  white-space: nowrap;
}

.pricing__card-header {
  margin-bottom: 28px;
}

.pricing__plan {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 8px;
}

.pricing__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.pricing__amount {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-bright);
  letter-spacing: -0.02em;
}

.pricing__period {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.pricing__price-alt {
  font-size: 0.8rem;
  color: var(--accent-light);
  margin-top: 4px;
}

.pricing__desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 8px;
}

.pricing__features {
  list-style: none;
  flex: 1;
  margin-bottom: 28px;
}

.pricing__features li {
  padding: 6px 0;
  font-size: 0.875rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing__features li::before {
  content: '';
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(34,197,94,0.15);
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%234ade80' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.pricing__features--disabled {
  color: var(--text-dim) !important;
  opacity: 0.5;
}

.pricing__features--disabled::before {
  background: rgba(255,255,255,0.05) !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='18' y1='6' x2='6' y2='18'/%3E%3Cline x1='6' y1='6' x2='18' y2='18'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: center !important;
}

.pricing__btn {
  text-align: center;
  justify-content: center;
  width: 100%;
}

/* ===== CTA ===== */
.cta {
  padding: 100px 0;
}

.cta__inner {
  text-align: center;
  padding: 64px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  position: relative;
  overflow: hidden;
}

.cta__inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 80% at 50% 120%, rgba(99,102,241,0.12), transparent);
  pointer-events: none;
}

.cta__title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 800;
  color: var(--text-bright);
  margin-bottom: 12px;
  position: relative;
}

.cta__text {
  color: var(--text-dim);
  margin-bottom: 32px;
  font-size: 1.05rem;
  position: relative;
}

/* ===== Footer ===== */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text-bright);
}

.footer__by {
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer__copy {
  font-size: 0.825rem;
  color: var(--text-dim);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .features__grid {
    grid-template-columns: 1fr;
  }

  .screenshots__carousel {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .nav__links {
    display: none;
  }

  .nav__btn {
    font-size: 0.8rem;
    padding: 6px 12px;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .cta__inner {
    padding: 40px 24px;
  }

  .footer__inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .mockup__donut-section {
    flex-direction: column;
    align-items: flex-start;
  }

  .mockup__donut {
    align-self: center;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .screenshots__carousel .mockup:last-child {
    grid-column: 1 / -1;
    max-width: 50%;
    margin: 0 auto;
  }
}