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

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --accent: #06d6a0;
  --accent-dark: #05b88a;
  --bg: #0b0f1a;
  --bg-card: #131825;
  --bg-card-hover: #1a2035;
  --surface: #1e2538;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: #2a3350;
  --gradient: linear-gradient(135deg, var(--primary), var(--accent));
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.4);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.25s ease;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(99, 102, 241, 0.5);
}

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

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-small {
  padding: 10px 24px;
  font-size: 0.9rem;
}

/* ========== Navbar ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background 0.3s, box-shadow 0.3s, padding 0.3s;
}

.navbar.scrolled {
  background: rgba(11, 15, 26, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
  padding: 10px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  height: 36px;
}

.logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
}

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

.nav-links .btn {
  color: #fff;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ========== Hero ========== */
.hero {
  padding: 160px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 80%;
  height: 100%;
  background: radial-gradient(ellipse, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -20%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(6, 214, 160, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-container {
  display: flex;
  align-items: center;
  gap: 80px;
  position: relative;
  z-index: 1;
}

.hero-content {
  flex: 1;
}

.hero h1 {
  font-size: 3.6rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

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

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 36px;
  line-height: 1.7;
}

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

.hero-stats {
  display: flex;
  gap: 48px;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat strong {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat span {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ========== Phone Mockup ========== */
.hero-visual {
  flex: 0 0 auto;
}

.phone-mockup {
  width: 280px;
  height: 560px;
  background: #1a1f35;
  border-radius: 36px;
  padding: 12px;
  border: 2px solid var(--border);
  box-shadow: var(--shadow-lg), 0 0 80px rgba(99, 102, 241, 0.1);
  position: relative;
}

.phone-mockup::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 24px;
  background: #0b0f1a;
  border-radius: 16px;
  z-index: 2;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #151b30 0%, #0f1322 100%);
  border-radius: 26px;
  padding: 48px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow: hidden;
}

.screen-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.greeting {
  font-weight: 700;
  font-size: 0.95rem;
}

.date {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.balance-card {
  background: var(--gradient);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.balance-label {
  font-size: 0.75rem;
  opacity: 0.8;
}

.balance-amount {
  font-size: 1.7rem;
  font-weight: 800;
}

.balance-change {
  font-size: 0.75rem;
  font-weight: 600;
}

.balance-change.positive {
  color: #a7f3d0;
}

.mini-chart {
  padding: 8px 0;
}

.chart-line {
  width: 100%;
  height: 48px;
}

.transaction-terms {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 0;
}

.term-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  color: var(--text);
}

.term-check {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
}

.term-item.pending .term-check {
  color: var(--text-muted);
}

.term-item.pending {
  color: var(--text-muted);
}

.screen-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: auto;
}

.action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 0.65rem;
  color: var(--text-muted);
}

.action-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--surface);
}

.send-icon { background: linear-gradient(135deg, #6366f1, #818cf8) !important; }
.receive-icon { background: linear-gradient(135deg, #06d6a0, #34d399) !important; }
.invest-icon { background: linear-gradient(135deg, #f59e0b, #fbbf24) !important; }
.budget-icon { background: linear-gradient(135deg, #ec4899, #f472b6) !important; }

/* ========== Logos Bar ========== */
.logos-bar {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.logos-bar p {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.logo-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 56px;
  flex-wrap: wrap;
}

.logo-row span {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-muted);
  opacity: 0.5;
  letter-spacing: 0.05em;
}

/* ========== Section Headers ========== */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 64px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* ========== Features ========== */
.features {
  padding: 120px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.12);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ========== How It Works ========== */
.how-it-works {
  padding: 120px 0;
  background: var(--bg-card);
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 24px;
}

.step {
  text-align: center;
  max-width: 280px;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0 auto 20px;
  color: #fff;
}

.step h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.step-connector {
  width: 80px;
  height: 2px;
  background: var(--border);
  margin-top: 28px;
  flex-shrink: 0;
}

/* ========== Testimonials ========== */
.testimonials {
  padding: 120px 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
}

.stars {
  color: #fbbf24;
  font-size: 1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-card > p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

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

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ========== CTA ========== */
.cta-section {
  padding: 120px 0;
}

.cta-card {
  background: var(--gradient);
  border-radius: var(--radius-lg);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 60%;
  height: 200%;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  pointer-events: none;
}

.cta-card h2 {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.cta-card > p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 500px;
  margin: 0 auto 36px;
}

.cta-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  max-width: 480px;
  margin: 0 auto 16px;
}

.cta-form input {
  flex: 1;
  padding: 14px 24px;
  border-radius: 50px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.cta-form input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.cta-form input:focus {
  border-color: rgba(255, 255, 255, 0.6);
}

.cta-form .btn {
  background: #fff;
  color: var(--primary-dark);
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.cta-form .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
}

.cta-note {
  font-size: 0.85rem;
  opacity: 0.7;
}

/* ========== Footer ========== */
.footer {
  padding: 80px 0 0;
  border-top: 1px solid var(--border);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand {
  max-width: 260px;
}

.footer-brand .logo-text {
  font-size: 1.3rem;
  display: inline-block;
  margin-bottom: 12px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  gap: 80px;
}

.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 4px 0;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-bottom div {
  display: flex;
  gap: 24px;
}

.footer-bottom a {
  color: var(--text-muted);
  font-size: 0.85rem;
}

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

/* ========== Animations ========== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.8rem;
  }

  .hero-container {
    gap: 40px;
  }

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

  .footer-links {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(11, 15, 26, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 99;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    font-size: 1.2rem;
    color: var(--text);
  }

  .mobile-menu-btn {
    display: flex;
    z-index: 101;
  }

  .mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }
  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    padding: 120px 0 80px;
  }

  .hero-container {
    flex-direction: column;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-stats {
    justify-content: center;
  }

  .phone-mockup {
    width: 240px;
    height: 480px;
  }

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

  .steps {
    flex-direction: column;
    align-items: center;
  }

  .step-connector {
    width: 2px;
    height: 40px;
    margin: 0;
  }

  .cta-card {
    padding: 48px 24px;
  }

  .cta-card h2 {
    font-size: 1.8rem;
  }

  .cta-form {
    flex-direction: column;
  }

  .footer-container {
    flex-direction: column;
    gap: 40px;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .section-header h2 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .logo-row {
    gap: 24px;
  }
}