:root {

  --bg: #020024;
  --bg2: #061c3d;
  --card: rgba(255,255,255,.06);
  --border: rgba(255,255,255,.12);

  --text: #ffffff;
  --muted: #aab6cc;

  --cyan: #00d4ff;
  --blue: #0066ff;
  --purple: #7b2cff;

  --radius: 24px;

}

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

html {
  scroll-behavior: smooth;
}

body {

  font-family: 'Inter', 'Noto Sans Bengali', sans-serif;

  background:
    radial-gradient(circle at 80% 10%, #062f5d 0%, transparent 35%),
    radial-gradient(circle at 10% 40%, #0b1644 0%, transparent 35%),
    var(--bg);

  color: var(--text);

  min-height: 100vh;

  overflow-x: hidden;

}

body.light {
  --bg: #f5f8ff;
  --bg2: #ffffff;
  --card: rgba(255,255,255,.8);
  --border: rgba(0,0,0,.08);
  --text: #07142d;
  --muted: #64748b;
}


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

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
  border: none;
}

.bg-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: .18;
  pointer-events: none;
  z-index: -1;
}

.glow-one {
  background: var(--cyan);
  top: -200px;
  right: -100px;
}

.glow-two {
  background: var(--purple);
  bottom: -200px;
  left: -100px;
}


/* NAVBAR */

.navbar {

  max-width: 1250px;
  margin: auto;

  padding: 24px 30px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  position: relative;
  z-index: 10;

}

.logo {

  display: flex;
  align-items: center;
  gap: 9px;

  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.7px;

}

.logo span:last-child {
  color: var(--cyan);
}

.logo-icon {

  width: 34px;
  height: 34px;

  border-radius: 10px;

  display: grid;
  place-items: center;

  background: linear-gradient(135deg, var(--cyan), var(--purple));

  color: white;

}

.navbar nav {

  display: flex;
  gap: 32px;

  color: var(--muted);
  font-size: 13px;
  font-weight: 600;

}

.navbar nav a:hover {
  color: var(--cyan);
}

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

.theme-btn,
.login-btn {

  background: var(--card);
  border: 1px solid var(--border);

  color: var(--text);

  padding: 10px 15px;
  border-radius: 12px;

  transition: .3s;

}

.login-btn {
  font-size: 13px;
  font-weight: 600;
}

.theme-btn:hover,
.login-btn:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}


/* HERO */

.hero {

  max-width: 1250px;
  margin: auto;

  min-height: 650px;

  padding: 80px 30px 100px;

  display: grid;
  grid-template-columns: 1fr 1fr;

  align-items: center;
  gap: 40px;

}

.badge {

  display: inline-flex;
  align-items: center;
  gap: 10px;

  padding: 10px 15px;

  border-radius: 50px;

  background: rgba(0,212,255,.08);
  border: 1px solid rgba(0,212,255,.2);

  color: var(--cyan);

  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;

  margin-bottom: 25px;

}

.pulse {

  width: 7px;
  height: 7px;

  background: var(--cyan);
  border-radius: 50%;

  box-shadow: 0 0 15px var(--cyan);

}

.hero h1 {

  font-size: clamp(50px, 6vw, 88px);

  line-height: 1.02;

  letter-spacing: -5px;

  font-weight: 800;

  margin-bottom: 28px;

}

.hero h1 span {

  background: linear-gradient(90deg, var(--cyan), #9b6dff);

  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;

}

.hero p {

  color: var(--muted);

  font-size: 16px;
  line-height: 1.8;

  max-width: 450px;

  margin-bottom: 32px;

}

.hero-buttons {

  display: flex;
  gap: 14px;
  flex-wrap: wrap;

}

.primary-btn {

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;

  padding: 16px 23px;

  border-radius: 13px;

  background: linear-gradient(135deg, var(--cyan), var(--blue));

  color: white;

  font-weight: 700;
  font-size: 13px;

  box-shadow: 0 10px 30px rgba(0,140,255,.25);

  transition: .3s;

}

.primary-btn:hover {

  transform: translateY(-3px);

  box-shadow: 0 15px 35px rgba(0,140,255,.4);

}

.secondary-btn {

  display: inline-flex;
  align-items: center;
  gap: 20px;

  padding: 16px 23px;

  border: 1px solid var(--border);

  border-radius: 13px;

  color: var(--muted);

  font-size: 13px;
  font-weight: 600;

  transition: .3s;

}

.secondary-btn:hover {
  border-color: var(--cyan);
  color: var(--text);
}

.hero-trust {

  display: flex;
  align-items: center;
  gap: 13px;

  margin-top: 45px;

}

.avatars {
  display: flex;
}

.avatars span {

  width: 29px;
  height: 29px;

  display: grid;
  place-items: center;

  border-radius: 50%;

  background: linear-gradient(135deg, #1d3557, #6b21a8);

  border: 2px solid var(--bg);

  margin-left: -7px;

  font-size: 10px;
  font-weight: 700;

}

.avatars span:first-child {
  margin-left: 0;
}

.hero-trust strong {
  display: block;
  font-size: 12px;
}

.hero-trust small {
  color: var(--muted);
  font-size: 10px;
}


/* 3D VISUAL */

.hero-visual {

  position: relative;

  height: 500px;

  display: grid;
  place-items: center;

  perspective: 1000px;

}

.visual-glow {

  position: absolute;

  width: 330px;
  height: 330px;

  background: var(--cyan);

  filter: blur(100px);

  opacity: .18;

}

.promo-card {

  width: 320px;
  height: 420px;

  padding: 28px;

  border-radius: 25px;

  background:
    linear-gradient(145deg, #061c42, #020024 60%);

  border: 1px solid rgba(0,212,255,.25);

  box-shadow:
    0 30px 80px rgba(0,0,0,.45),
    inset 0 0 50px rgba(0,212,255,.04);

  transform: rotateY(-15deg) rotateX(5deg);

  display: flex;
  flex-direction: column;
  justify-content: space-between;

  animation: float 5s ease-in-out infinite;

  position: relative;
  z-index: 2;

}

@keyframes float {

  0%,100% {
    transform: rotateY(-15deg) rotateX(5deg) translateY(0);
  }

  50% {
    transform: rotateY(-15deg) rotateX(5deg) translateY(-12px);
  }

}

.promo-top,
.promo-bottom {

  display: flex;
  justify-content: space-between;

  font-size: 10px;
  letter-spacing: 2px;

  color: var(--muted);

}

.promo-top span:last-child,
.promo-bottom span:last-child {
  color: var(--cyan);
  font-size: 18px;
}

.promo-center small {

  color: var(--cyan);

  font-size: 9px;
  letter-spacing: 3px;

}

.promo-center h2 {

  font-size: 38px;

  line-height: 1.1;

  letter-spacing: -2px;

  margin: 18px 0;

}

.promo-center em {

  font-style: normal;

  background: linear-gradient(90deg, var(--cyan), #9b6dff);

  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;

}

.promo-line {

  width: 45px;
  height: 2px;

  background: var(--cyan);

  margin-bottom: 18px;

}

.promo-center p {

  font-size: 12px;

  color: var(--muted);

  line-height: 1.8;

}

.floating-tag {

  position: absolute;

  padding: 12px 16px;

  border-radius: 12px;

  background: rgba(4,20,48,.85);

  border: 1px solid var(--border);

  backdrop-filter: blur(15px);

  font-size: 11px;
  font-weight: 600;

  z-index: 3;

}

.tag-one {
  top: 80px;
  right: 0;
}

.tag-two {
  bottom: 80px;
  left: 0;
}


/* TRUST */

.trust-section {

  max-width: 1190px;
  margin: auto;

  padding: 28px 30px;

  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);

  display: flex;
  justify-content: space-between;

  gap: 25px;

}

.trust-item {

  display: flex;
  align-items: center;
  gap: 14px;

}

.trust-item > span {

  width: 40px;
  height: 40px;

  display: grid;
  place-items: center;

  border-radius: 12px;

  background: rgba(0,212,255,.08);

  color: var(--cyan);

}

.trust-item strong {
  display: block;
  font-size: 12px;
}

.trust-item small {
  color: var(--muted);
  font-size: 10px;
}


/* SECTIONS */

.section {

  max-width: 1190px;
  margin: auto;

  padding: 120px 30px;

}

.section-heading {
  margin-bottom: 50px;
}

.eyebrow {

  display: block;

  color: var(--cyan);

  font-size: 10px;
  font-weight: 800;

  letter-spacing: 2px;

  margin-bottom: 18px;

}

.section-heading h2 {

  font-size: clamp(35px, 5vw, 55px);

  line-height: 1.1;

  letter-spacing: -3px;

}

.section-heading h2 span {
  color: var(--cyan);
}

.section-heading p {

  color: var(--muted);

  margin-top: 18px;

  font-size: 14px;
  line-height: 1.8;

}


/* FEATURES */

.features-grid {

  display: grid;

  grid-template-columns: repeat(4, 1fr);

  gap: 15px;

}

.feature-card {

  padding: 28px;

  min-height: 270px;

  border: 1px solid var(--border);

  border-radius: var(--radius);

  background: var(--card);

  position: relative;

  overflow: hidden;

  transition: .3s;

}

.feature-card:hover {

  transform: translateY(-5px);

  border-color: rgba(0,212,255,.35);

}

.feature-icon {

  width: 45px;
  height: 45px;

  display: grid;
  place-items: center;

  border-radius: 14px;

  background: rgba(0,212,255,.08);

  color: var(--cyan);

  font-size: 20px;

  margin-bottom: 30px;

}

.feature-card h3 {

  font-size: 15px;

  margin-bottom: 13px;

}

.feature-card p {

  color: var(--muted);

  font-size: 12px;

  line-height: 1.8;

}

.feature-number {

  position: absolute;

  right: 25px;
  bottom: 20px;

  color: rgba(255,255,255,.1);

  font-size: 35px;
  font-weight: 800;

}


/* HOW */

.steps-grid {

  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 25px;

}

.step {

  padding: 30px;

  border-left: 1px solid var(--border);

}

.step-number {

  color: var(--cyan);

  font-size: 12px;

  font-weight: 800;

  letter-spacing: 2px;

  margin-bottom: 30px;

}

.step h3 {

  font-size: 17px;

  margin-bottom: 15px;

}

.step p {

  color: var(--muted);

  font-size: 13px;

  line-height: 1.8;

}


/* PRICING */

.pricing-card {

  padding: 55px;

  border-radius: 30px;

  background:
    linear-gradient(135deg, rgba(0,212,255,.1), rgba(123,44,255,.08));

  border: 1px solid rgba(0,212,255,.2);

  display: flex;

  justify-content: space-between;

  align-items: center;

  gap: 40px;

}

.pricing-info h2 {

  font-size: 45px;

  letter-spacing: -2px;

  line-height: 1.1;

}

.pricing-info p {

  color: var(--muted);

  font-size: 13px;

  line-height: 1.8;

  margin-top: 18px;

}

.price-box {

  min-width: 260px;

  padding: 28px;

  border-radius: 20px;

  background: rgba(0,0,0,.2);

  border: 1px solid var(--border);

}

.price-box small {

  color: var(--cyan);

  font-size: 10px;
  letter-spacing: 2px;

}

.price {

  font-size: 65px;

  font-weight: 800;

  letter-spacing: -4px;

  margin: 10px 0;

}

.price span {
  font-size: 25px;
}

.old-price {

  color: var(--muted);

  font-size: 11px;

  margin-bottom: 25px;

}

.price-box .primary-btn {
  width: 100%;
}


/* FAQ */

.faq-list {

  max-width: 750px;

  margin: auto;

}

.faq-item {

  border-bottom: 1px solid var(--border);

}

.faq-question {

  width: 100%;

  padding: 25px 0;

  display: flex;

  justify-content: space-between;

  align-items: center;

  background: transparent;

  color: var(--text);

  font-size: 14px;
  font-weight: 600;

  text-align: left;

}

.faq-question span {

  font-size: 22px;

  color: var(--cyan);

  transition: .3s;

}

.faq-item.active .faq-question span {
  transform: rotate(45deg);
}

.faq-answer {

  max-height: 0;

  overflow: hidden;

  color: var(--muted);

  font-size: 13px;

  line-height: 1.8;

  transition: .3s;

}

.faq-item.active .faq-answer {

  max-height: 200px;

  padding-bottom: 25px;

}


/* FOOTER */

.footer {

  max-width: 1190px;

  margin: auto;

  padding: 50px 30px 25px;

  border-top: 1px solid var(--border);

}

.footer-brand p {

  color: var(--muted);

  font-size: 12px;

  margin-top: 15px;

}

.footer-links {

  display: flex;

  gap: 25px;

  margin: 35px 0;

}

.footer-links a {

  color: var(--muted);

  font-size: 12px;

}

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

.footer-bottom {

  display: flex;

  justify-content: space-between;

  padding-top: 25px;

  border-top: 1px solid var(--border);

  color: var(--muted);

  font-size: 11px;

}


/* MODALS */

.modal-overlay {

  position: fixed;

  inset: 0;

  background: rgba(0,0,0,.75);

  backdrop-filter: blur(12px);

  display: none;

  align-items: center;
  justify-content: center;

  padding: 20px;

  z-index: 100;

}

.modal-overlay.active {
  display: flex;
}

.payment-modal,
.login-modal {

  width: 100%;

  max-width: 500px;

  max-height: 90vh;

  overflow-y: auto;

  padding: 35px;

  border-radius: 25px;

  background: #07142d;

  border: 1px solid var(--border);

  position: relative;

  animation: modalIn .3s ease;

}

@keyframes modalIn {

  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

}

.close-modal {

  position: absolute;

  top: 18px;
  right: 20px;

  width: 32px;
  height: 32px;

  border-radius: 50%;

  background: var(--card);

  color: white;

  font-size: 20px;

}

.modal-header h2,
.login-modal h2 {

  font-size: 30px;

  letter-spacing: -1px;

  margin-bottom: 10px;

}

.modal-header p,
.login-modal p {

  color: var(--muted);

  font-size: 12px;

  margin-bottom: 25px;

}


/* PAYMENT METHODS */

.payment-methods {

  display: flex;

  gap: 10px;

  margin-bottom: 25px;

}

.payment-method {

  flex: 1;

  display: flex;

  align-items: center;

  gap: 8px;

  padding: 12px;

  border-radius: 13px;

  background: var(--card);

  border: 1px solid var(--border);

  color: white;

  text-align: left;

}

.payment-method.active {

  border-color: var(--cyan);

  background: rgba(0,212,255,.08);

}

.payment-method.disabled {
  opacity: .45;
  cursor: not-allowed;
}

.method-logo {

  width: 32px;
  height: 32px;

  display: grid;
  place-items: center;

  border-radius: 9px;

  font-weight: 800;
  font-size: 11px;

}

.bkash-logo {
  background: #e2136e;
  color: white;
}

.nagad-logo {
  background: #f58220;
  color: white;
}

.rocket-logo {
  background: #8c3494;
  color: white;
}

.payment-method strong {

  display: block;

  font-size: 11px;

}

.payment-method small {

  display: block;

  color: var(--muted);

  font-size: 9px;

  margin-top: 3px;

}

.check {

  margin-left: auto;

  color: var(--cyan);

}


/* INSTRUCTIONS */

.bkash-instructions {

  padding: 20px;

  border-radius: 16px;

  background: rgba(226,19,110,.06);

  border: 1px solid rgba(226,19,110,.2);

  margin-bottom: 25px;

}

.instruction-title {

  display: flex;

  align-items: center;

  gap: 10px;

  margin-bottom: 15px;

}

.instruction-title strong {
  font-size: 13px;
}

.bkash-instructions > p {

  color: var(--muted);

  font-size: 11px;

  margin-bottom: 12px;

}

.payment-number {

  display: flex;

  justify-content: space-between;

  align-items: center;

  padding: 15px;

  border-radius: 10px;

  background: rgba(0,0,0,.25);

  margin-bottom: 12px;

}

.payment-number strong {

  font-size: 18px;

  letter-spacing: 1px;

}

.payment-number button {

  background: #e2136e;

  color: white;

  padding: 7px 12px;

  border-radius: 7px;

  font-size: 10px;

}

.payment-amount {

  display: flex;

  justify-content: space-between;

  align-items: center;

  padding: 12px 0;

  border-bottom: 1px solid var(--border);

}

.payment-amount span {

  color: var(--muted);

  font-size: 11px;

}

.payment-amount strong {

  color: #ff4b9b;

  font-size: 20px;

}

.payment-note {

  margin-top: 15px;

}

.payment-note strong {

  font-size: 11px;

}

.payment-note p {

  color: var(--muted);

  font-size: 11px;

  line-height: 1.7;

  margin-top: 5px;

}


/* FORM */

.form-group {

  margin-bottom: 15px;

}

.form-group label {

  display: block;

  font-size: 11px;

  font-weight: 600;

  margin-bottom: 8px;

}

.form-group input {

  width: 100%;

  padding: 14px;

  border-radius: 10px;

  background: rgba(255,255,255,.04);

  border: 1px solid var(--border);

  color: white;

  outline: none;

  font-size: 12px;

}

.form-group input:focus {
  border-color: var(--cyan);
}

.form-group input::placeholder {
  color: #65738d;
}

.submit-payment {

  width: 100%;

  padding: 16px;

  border-radius: 12px;

  background: linear-gradient(135deg, #e2136e, #b80c54);

  color: white;

  font-weight: 700;

  font-size: 13px;

  display: flex;

  justify-content: center;

  gap: 20px;

  margin-top: 10px;

}

.secure-note {

  text-align: center;

  color: var(--muted);

  font-size: 10px;

  margin-top: 18px;

}


/* LOGIN */

.login-modal {

  max-width: 400px;

}

.google-btn {

  width: 100%;

  padding: 15px;

  border-radius: 12px;

  background: white;

  color: #111;

  display: flex;

  justify-content: center;

  align-items: center;

  gap: 12px;

  font-weight: 600;

  font-size: 13px;

}

.google-btn span {

  width: 24px;
  height: 24px;

  display: grid;
  place-items: center;

  border-radius: 50%;

  font-weight: 800;

  color: #4285f4;

}

#userInfo {

  margin-top: 20px;

  color: var(--muted);

  font-size: 12px;

}


/* TOAST */

.toast {

  position: fixed;

  bottom: 25px;
  left: 50%;

  transform: translateX(-50%) translateY(100px);

  background: #07142d;

  border: 1px solid var(--border);

  color: white;

  padding: 15px 22px;

  border-radius: 12px;

  font-size: 12px;

  z-index: 200;

  transition: .3s;

}

.toast.show {

  transform: translateX(-50%) translateY(0);

}


/* MOBILE */

@media (max-width: 900px) {

  .navbar nav {
    display: none;
  }

  .hero {

    grid-template-columns: 1fr;

    padding-top: 50px;

    text-align: center;

  }

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

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

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

  .hero-visual {
    height: 450px;
  }

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

  .pricing-card {
    flex-direction: column;
    align-items: flex-start;
  }

}

@media (max-width: 600px) {

  .navbar {
    padding: 18px 20px;
  }

  .logo {
    font-size: 17px;
  }

  .theme-btn {
    padding: 8px;
  }

  .login-btn {
    padding: 9px 12px;
  }

  .hero {

    padding: 45px 20px 70px;

  }

  .hero h1 {

    font-size: 52px;

    letter-spacing: -3px;

  }

  .hero p {
    font-size: 14px;
  }

  .hero-visual {
    height: 400px;
  }

  .promo-card {

    width: 270px;
    height: 360px;

    padding: 23px;

  }

  .promo-center h2 {
    font-size: 31px;
  }

  .floating-tag {
    font-size: 9px;
    padding: 10px;
  }

  .tag-one {
    right: -5px;
  }

  .tag-two {
    left: -5px;
  }

  .trust-section {

    display: grid;

    grid-template-columns: 1fr 1fr;

    padding: 25px 20px;

  }

  .trust-item:last-child {
    grid-column: span 2;
  }

  .section {
    padding: 75px 20px;
  }

  .section-heading h2 {
    font-size: 38px;
  }

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

  .feature-card {
    min-height: 220px;
  }

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

  .step {
    border-left: none;
    border-bottom: 1px solid var(--border);
    padding: 25px 0;
  }

  .pricing-card {
    padding: 30px 22px;
  }

  .pricing-info h2 {
    font-size: 35px;
  }

  .price-box {
    width: 100%;
  }

  .payment-modal,
  .login-modal {
    padding: 25px 20px;
  }

  .payment-methods {
    flex-direction: column;
  }

  .payment-method {
    width: 100%;
  }

  .footer {
    padding: 40px 20px 20px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
  }

}