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

html {
  scroll-behavior: smooth;
}

:root {
  --bg: #020713;
  --bg2: #071426;
  --card: rgba(8, 20, 38, 0.92);
  --card2: rgba(10, 27, 52, 0.92);
  --text: #f2f8ff;
  --muted: #8fa6c4;
  --cyan: #19e6ff;
  --blue: #1677ff;
  --green: #13f2a5;
  --border: rgba(84, 219, 255, 0.18);
  --white-soft: rgba(255, 255, 255, 0.08);
}

body {
  font-family: "Inter", "Noto Sans Bengali", sans-serif;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 5%, rgba(25, 230, 255, 0.13), transparent 26%),
    radial-gradient(circle at 90% 20%, rgba(22, 119, 255, 0.16), transparent 28%),
    radial-gradient(circle at 50% 100%, rgba(19, 242, 165, 0.06), transparent 30%),
    linear-gradient(180deg, #020713 0%, #061326 55%, #020713 100%);
  overflow-x: hidden;
}

.page-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: -1;
}

.glow {
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  filter: blur(85px);
  opacity: 0.42;
}

.glow-one {
  top: -100px;
  left: -80px;
  background: #19e6ff;
}

.glow-two {
  top: 280px;
  right: -110px;
  background: #1677ff;
}

.glow-three {
  bottom: -120px;
  left: 25%;
  background: #13f2a5;
  opacity: 0.18;
}

/* Header */
.site-header {
  max-width: 1150px;
  margin: 0 auto;
  padding: 26px 18px 8px;
}

.header-card {
  width: 100%;
  min-height: 92px;
  padding: 17px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-radius: 28px;
  background:
    linear-gradient(145deg, rgba(13, 34, 64, 0.76), rgba(3, 12, 25, 0.86));
  border: 1px solid var(--border);
  box-shadow:
    0 25px 75px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(16px);
}

.header-logo-box {
  width: 64px;
  height: 64px;
  border-radius: 22px;
  overflow: hidden;
  flex: 0 0 auto;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.13);
  box-shadow: 0 0 26px rgba(25, 230, 255, 0.18);
}

.header-logo-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.header-text h1 {
  font-size: 30px;
  line-height: 1.1;
  letter-spacing: -0.8px;
  font-weight: 900;
}

.header-text p {
  margin-top: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
}

/* Hero */
.hero-section {
  max-width: 850px;
  margin: 0 auto;
  padding: 42px 18px 34px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  padding: 10px 20px;
  margin-bottom: 22px;
  border-radius: 999px;
  color: #a9f4ff;
  font-size: 14px;
  font-weight: 800;
  background: rgba(25, 230, 255, 0.09);
  border: 1px solid rgba(25, 230, 255, 0.25);
  box-shadow: 0 0 30px rgba(25, 230, 255, 0.13);
}

.hero-section h2 {
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1.08;
  letter-spacing: -1.6px;
  font-weight: 900;
  margin-bottom: 20px;
  text-shadow: 0 0 36px rgba(25, 230, 255, 0.08);
}

.hero-section p {
  max-width: 710px;
  margin: 0 auto;
  color: #9fb4d2;
  font-size: 17px;
  line-height: 1.8;
  font-weight: 500;
}

/* VPN Wrapper */
.vpn-wrapper {
  width: 100%;
  max-width: 1150px;
  margin: 0 auto;
  padding: 14px 18px 45px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;

  
}

/* VPN Card */
.vpn-card {
  position: relative;
  overflow: hidden;
  padding: 28px 22px 24px;
  border-radius: 34px;
  background:
    radial-gradient(circle at 50% 0%, rgba(25, 230, 255, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(12, 31, 58, 0.94), rgba(4, 12, 25, 0.96));
  border: 1px solid var(--border);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.38),
    0 0 55px rgba(25, 230, 255, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  animation: cardIn 0.8s ease both;
}

.vpn-card::before {
  content: "";
  position: absolute;
  left: -80%;
  top: -25%;
  width: 60%;
  height: 150%;
  transform: rotate(22deg);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.09), transparent);
  animation: shineMove 5s ease-in-out infinite;
  pointer-events: none;
}

.vpn-top-light {
  position: absolute;
  top: -80px;
  left: 50%;
  width: 220px;
  height: 160px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: rgba(25, 230, 255, 0.14);
  filter: blur(50px);
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(28px);
  }

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

@keyframes shineMove {
  0% {
    left: -90%;
  }

  45% {
    left: 130%;
  }

  100% {
    left: 130%;
  }
}

/* Logo Center */
.vpn-logo-center {
  position: relative;
  z-index: 2;
  width: 94px;
  height: 94px;
  margin: 0 auto 14px;
  border-radius: 28px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow:
    0 0 32px rgba(25, 230, 255, 0.22),
    0 18px 38px rgba(0, 0, 0, 0.25);
}

.vpn-logo-center img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vpn-name {
  position: relative;
  z-index: 2;
  text-align: center;
  font-size: 27px;
  font-weight: 900;
  letter-spacing: -0.7px;
  margin-bottom: 7px;
}

.vpn-subtitle {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #9eb4d1;
  font-size: 14px;
  line-height: 1.55;
  font-weight: 600;
  margin-bottom: 18px;
}

/* Stats */
.vpn-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 11px;
  margin-bottom: 18px;
}

.vpn-stats div {
  text-align: center;
  padding: 13px 8px;
  border-radius: 19px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.075);
}

.vpn-stats span {
  display: block;
  color: #7e95b5;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 5px;
}

.vpn-stats strong {
  font-size: 15px;
  font-weight: 900;
}

/* Buttons */
.button-area {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 11px;
  margin-bottom: 20px;
}

.download-btn,
.copy-btn {
  width: 100%;
  min-height: 54px;
  border: none;
  outline: none;
  cursor: pointer;
  border-radius: 18px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 900;
  transition: 0.22s ease;
}

.download-btn {
  color: #02101d;
  background:
    linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow:
    0 16px 35px rgba(22, 119, 255, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.38);
}

.download-btn::before {
  content: "⬇️ ";
}

.copy-btn {
  color: #e9fbff;
  background: rgba(255, 255, 255, 0.065);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.copy-btn::before {
  content: "🔗 ";
}

.download-btn:hover,
.copy-btn:hover {
  transform: translateY(-2px);
}

.download-btn:active,
.copy-btn:active {
  transform: scale(0.98);
}

/* Screenshot Slider */
.screenshot-box {
  position: relative;
  z-index: 2;
  width: 100%;
  border-radius: 30px;
  padding: 16px;
  background:
    radial-gradient(circle at 50% 0%, rgba(25, 230, 255, 0.12), transparent 35%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.phone-frame {
  position: relative;
  width: 100%;
  height: 640px;
  overflow: hidden;
  border-radius: 28px;
  background:
    radial-gradient(circle at center, rgba(25, 230, 255, 0.08), transparent 45%),
    #030a15;
  border: 1px solid rgba(25, 230, 255, 0.13);
  box-shadow:
    inset 0 0 40px rgba(0, 0, 0, 0.45),
    0 24px 55px rgba(0, 0, 0, 0.35),
    0 0 35px rgba(25, 230, 255, 0.08);
}

/* Left / Right fade layer */
.phone-frame::before,
.phone-frame::after {
  content: "";
  position: absolute;
  top: 0;
  width: 22%;
  height: 100%;
  z-index: 10;
  pointer-events: none;
}

.phone-frame::before {
  left: 0;
  background: linear-gradient(to right, rgba(3, 10, 21, 0.9), rgba(3, 10, 21, 0));
}

.phone-frame::after {
  right: 0;
  background: linear-gradient(to left, rgba(3, 10, 21, 0.9), rgba(3, 10, 21, 0));
}

/* New professional slider system */
.slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.slides img {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 72%;
  height: 92%;
  object-fit: contain;
  border-radius: 24px;
  background: #030a15;
  opacity: 0;
  filter: blur(8px);
  transform: translate(-50%, -50%) scale(0.78);
  transition:
    transform 0.65s cubic-bezier(0.22, 0.95, 0.25, 1),
    opacity 0.65s ease,
    filter 0.65s ease;
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.45);
  pointer-events: none;
}

/* Main active screenshot */
.slides img.active {
  z-index: 5;
  opacity: 1;
  filter: blur(0);
  transform: translate(-50%, -50%) scale(1);
  box-shadow:
    0 25px 60px rgba(0, 0, 0, 0.5),
    0 0 35px rgba(25, 230, 255, 0.16);
}

/* Previous screenshot preview */
.slides img.prev {
  z-index: 3;
  opacity: 0.45;
  filter: blur(5px);
  transform: translate(-94%, -50%) scale(0.86);
}

/* Next screenshot preview */
.slides img.next {
  z-index: 3;
  opacity: 0.45;
  filter: blur(5px);
  transform: translate(-6%, -50%) scale(0.86);
}

/* Hide other images smoothly */
.slides img.hide {
  z-index: 1;
  opacity: 0;
  filter: blur(10px);
  transform: translate(-50%, -50%) scale(0.72);
}

/* Dots */
.slider-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 9px;
  padding-top: 15px;
}

.dot-btn {
  width: 9px;
  height: 9px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.22);
  transition: 0.25s ease;
}

.dot-btn.active {
  width: 28px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 0 18px rgba(25, 230, 255, 0.85);
}
/* Footer */
.footer {
  max-width: 1150px;
  margin: 0 auto;
  padding: 14px 18px 110px;
  text-align: center;
  color: #8197b4;
  font-size: 14px;
  line-height: 1.8;
  font-weight: 600;
}

/* Floating WhatsApp */
.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 96px;
  width: 58px;
  height: 58px;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 50%;
  color: #02150e;
  background: linear-gradient(135deg, #29ff9a, #05c966);
  box-shadow:
    0 18px 42px rgba(5, 201, 102, 0.36),
    0 0 30px rgba(41, 255, 154, 0.24);
  animation: floatBtn 2.5s ease-in-out infinite;
}

.whatsapp-float span {
  font-size: 27px;
  font-weight: 900;
}

/* Floating Notice */
.notice-float {
  position: fixed;
  right: 20px;
  bottom: 22px;
  width: 62px;
  height: 62px;
  z-index: 901;
  border: none;
  outline: none;
  cursor: pointer;
  border-radius: 50%;
  color: #fff;
  font-size: 25px;
  background:
    radial-gradient(circle at 35% 25%, rgba(255, 255, 255, 0.45), transparent 28%),
    linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow:
    0 18px 42px rgba(22, 119, 255, 0.42),
    0 0 35px rgba(25, 230, 255, 0.28);
  animation: floatBtn 2.8s ease-in-out infinite;
}

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

  50% {
    transform: translateY(-6px);
  }
}

.notice-dot {
  position: absolute;
  top: 8px;
  right: 9px;
  width: 12px;
  height: 12px;
  background: #ff2f5f;
  border-radius: 50%;
  border: 2px solid #effcff;
  box-shadow: 0 0 12px rgba(255, 47, 95, 0.85);
  animation: dotPulse 1.25s infinite;
}

@keyframes dotPulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }

  70% {
    transform: scale(1.45);
    opacity: 0.35;
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 5, 12, 0.78);
  backdrop-filter: blur(9px);
  opacity: 0;
  visibility: hidden;
  transition: 0.28s ease;
}

.notice-modal {
  position: fixed;
  left: 50%;
  top: 50%;
  z-index: 1001;
  width: calc(100% - 32px);
  max-width: 650px;
  max-height: 84vh;
  overflow-y: auto;
  transform: translate(-50%, -43%) scale(0.96);
  opacity: 0;
  visibility: hidden;
  border-radius: 32px;
  background:
    radial-gradient(circle at 18% 8%, rgba(25, 230, 255, 0.16), transparent 28%),
    linear-gradient(180deg, rgba(8, 24, 45, 0.96), rgba(2, 9, 19, 0.98));
  border: 1px solid rgba(84, 219, 255, 0.22);
  box-shadow:
    0 35px 95px rgba(0, 0, 0, 0.58),
    0 0 45px rgba(25, 230, 255, 0.11);
  transition: 0.33s ease;
}

.modal-overlay.show,
.notice-modal.show {
  opacity: 1;
  visibility: visible;
}

.notice-modal.show {
  transform: translate(-50%, -50%) scale(1);
}

.notice-modal-header {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 22px 22px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(5, 16, 31, 0.88);
  backdrop-filter: blur(12px);
  border-radius: 32px 32px 0 0;
}

.notice-title {
  display: flex;
  align-items: center;
  gap: 13px;
}

.notice-title span {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: #02101d;
  background: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 25px;
}

.notice-title h3 {
  font-size: 28px;
  font-weight: 900;
  color: var(--cyan);
  letter-spacing: -0.4px;
}

.notice-modal-header button {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  color: #fff;
  font-size: 30px;
  line-height: 1;
  background: rgba(255, 255, 255, 0.10);
}

.notice-body {
  padding: 18px 22px 28px;
}

.today-label {
  color: var(--cyan);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 3px;
  margin-bottom: 17px;
}

.package-list {
  padding: 24px;
  border-radius: 24px;
  background: rgba(0, 8, 16, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    inset 0 0 25px rgba(25, 230, 255, 0.04),
    0 20px 45px rgba(0, 0, 0, 0.24);
}

.package-list p {
  color: #e8f0fb;
  font-size: 19px;
  line-height: 1.65;
  font-weight: 500;
}

.package-list .package-heading {
  color: #ffffff;
  font-weight: 700;
}

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 110px;
  z-index: 1300;
  transform: translateX(-50%);
  padding: 13px 18px;
  border-radius: 16px;
  color: #eaffff;
  background: rgba(5, 17, 32, 0.96);
  border: 1px solid rgba(25, 230, 255, 0.28);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.38);
  font-size: 14px;
  font-weight: 800;
  opacity: 0;
  visibility: hidden;
  transition: 0.25s ease;
  white-space: nowrap;
}

.toast.show {
  bottom: 124px;
  opacity: 1;
  visibility: visible;
}

/* Responsive */
@media (max-width: 900px) {
  .vpn-wrapper {
    grid-template-columns: 1fr;
    max-width: 560px;
  }

  .site-header {
    max-width: 560px;
  }

  .phone-frame {
    height: 620px;
  }

  .header-text h1 {
    font-size: 26px;
  }
}

@media (max-width: 520px) {
  .site-header {
    padding: 18px 14px 6px;
  }

  .header-card {
    border-radius: 24px;
    padding: 14px;
  }

  .header-logo-box {
    width: 58px;
    height: 58px;
    border-radius: 19px;
  }

  .header-text h1 {
    font-size: 22px;
  }

  .header-text p {
    font-size: 12px;
  }

  .hero-section {
    padding: 30px 16px 24px;
  }

  .hero-section h2 {
    font-size: 35px;
  }

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

  .vpn-wrapper {
    padding: 10px 14px 40px;
  }

  .vpn-card {
    border-radius: 30px;
    padding: 24px 15px 19px;
  }

  .vpn-logo-center {
    width: 86px;
    height: 86px;
  }

  .vpn-name {
    font-size: 25px;
  }

  .phone-frame {
    height: 560px;
  }

  .package-list {
    padding: 18px;
  }

  .package-list p {
    font-size: 16px;
    line-height: 1.7;
  }

  .notice-title h3 {
    font-size: 23px;
  }

  .whatsapp-float {
    right: 16px;
    bottom: 92px;
  }

  .notice-float {
    right: 16px;
    bottom: 20px;
  }
}

@media (max-width: 380px) {
  .hero-section h2 {
    font-size: 31px;
  }

  .phone-frame {
    height: 500px;
  }

  .vpn-stats {
    gap: 8px;
  }

  .vpn-stats div {
    padding: 11px 5px;
  }

  .vpn-stats strong {
    font-size: 13px;
  }
}

@media (max-width: 900px) {
  .vpn-wrapper {
    grid-template-columns: 1fr !important; /* মোবাইলে একটার নিচে একটা */
    max-width: 560px;
    margin: 0 auto;
  }
}