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

:root {
  --bg: #eef2fb;
  --bg-deep: #dfe7f8;
  --surface: rgba(255, 255, 255, 0.74);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --text: #111827;
  --text-soft: rgba(17, 24, 39, 0.72);
  --text-dim: rgba(17, 24, 39, 0.46);
  --blue: #1952b6;
  --blue-deep: #113f92;
  --blue-bright: #57b5ff;
  --purple: #8c3cff;
  --line: rgba(25, 82, 182, 0.1);
  --shadow: 0 30px 80px rgba(22, 46, 96, 0.18);
  --shadow-soft: 0 16px 40px rgba(22, 46, 96, 0.1);
  --radius-xl: 36px;
  --radius-lg: 28px;
  --radius-md: 22px;
  --radius-sm: 18px;
  --container: 1240px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background:
    radial-gradient(
      circle at 85% 12%,
      rgba(87, 181, 255, 0.12),
      transparent 18%
    ),
    radial-gradient(
      circle at 10% 80%,
      rgba(140, 60, 255, 0.08),
      transparent 20%
    ),
    linear-gradient(180deg, #f4f7ff 0%, #eaf0fd 48%, #f7f9ff 100%);
}

img {
  max-width: 100%;
  display: block;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -3;
  overflow: hidden;
  pointer-events: none;
}

.bg-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.55;
}

.orb-1 {
  width: 340px;
  height: 340px;
  top: 70px;
  right: -60px;
  background: radial-gradient(
    circle,
    rgba(87, 181, 255, 0.26),
    transparent 70%
  );
  animation: drift 14s ease-in-out infinite;
}

.orb-2 {
  width: 420px;
  height: 420px;
  left: -120px;
  top: 36%;
  background: radial-gradient(
    circle,
    rgba(140, 60, 255, 0.18),
    transparent 72%
  );
  animation: drift 18s ease-in-out infinite reverse;
}

.orb-3 {
  width: 340px;
  height: 340px;
  right: 15%;
  bottom: -120px;
  background: radial-gradient(circle, rgba(25, 82, 182, 0.18), transparent 72%);
  animation: drift 20s ease-in-out infinite;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(29, 78, 216, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 78, 216, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at center, black 45%, transparent 100%);
}

.grain {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image: radial-gradient(#000 0.4px, transparent 0.4px);
  background-size: 7px 7px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 18px 0;
  transition: 0.25s ease;
}

.header.is-scrolled {
  background: rgba(242, 246, 255, 0.8);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(18, 44, 95, 0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.logo__icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--blue-deep), var(--blue-bright));
  box-shadow: 0 12px 25px rgba(25, 82, 182, 0.22);
}

.logo__text {
  font-size: 1.06rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  font-weight: 700;
  color: var(--text-soft);
  transition: 0.2s ease;
}

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

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

.burger {
  display: none;
  width: 50px;
  height: 50px;
  border: 0;
  border-radius: 14px;
  background: rgba(25, 82, 182, 0.08);
  cursor: pointer;
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--blue);
  border-radius: 999px;
  margin: 4px auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 0 24px;
  border-radius: 18px;
  border: 1px solid transparent;
  font-weight: 800;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    background 0.22s ease;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue-deep), var(--blue-bright));
  box-shadow: 0 18px 34px rgba(25, 82, 182, 0.2);
}

.btn--small {
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  font-size: 0.94rem;
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(17, 24, 39, 0.06);
  color: var(--text);
}

.hero {
  padding: 42px 0 10px;
}

.hero__grid {
  min-height: calc(100vh - 120px);
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 34px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(25, 82, 182, 0.09);
  border: 1px solid rgba(25, 82, 182, 0.11);
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.79rem;
  font-weight: 800;
}

.hero h1 {
  margin: 18px 0 18px;
  font-size: clamp(3rem, 6vw, 6rem);
  line-height: 0.92;
  letter-spacing: -0.05em;
  max-width: 760px;
}

.hero h1 span {
  display: block;
  color: var(--blue);
}

.hero__text,
.section-head p,
.feature-card p,
.story__left p,
.story-card p,
.screen-info p,
.premium-copy p,
.premium-card p,
.footer p,
.privacy-card p {
  color: var(--text-soft);
  line-height: 1.76;
}

.hero__text {
  max-width: 630px;
  margin: 0 0 28px;
  font-size: 1.06rem;
}

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

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.stat-card {
  min-width: 160px;
  padding: 22px 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(25, 82, 182, 0.09);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}

.stat-card strong {
  display: block;
  font-size: 2rem;
  font-weight: 900;
}

.stat-card span {
  color: var(--text-soft);
  font-weight: 600;
}

.hero-stage {
  position: relative;
  min-height: 760px;
}

.hero-stage__ring {
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  border: 1px solid rgba(25, 82, 182, 0.08);
  top: 90px;
  right: 40px;
  animation: slowSpin 20s linear infinite;
}

.hero-stage__ring::before {
  content: '';
  position: absolute;
  inset: 18px;
  border-radius: 50%;
  border: 1px dashed rgba(87, 181, 255, 0.18);
}

.hero-stage__ring--alt {
  width: 360px;
  height: 360px;
  top: 170px;
  right: 120px;
  animation-direction: reverse;
  animation-duration: 24s;
}

.phone {
  position: absolute;
  overflow: hidden;
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(25, 82, 182, 0.08);
  box-shadow: var(--shadow);
}

.phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.phone--main {
  width: clamp(270px, 31vw, 360px);
  top: 108px;
  right: 16%;
  z-index: 3;
}

.phone--side {
  width: clamp(185px, 20vw, 238px);
}

.phone--top {
  top: 0;
  right: 0;
  z-index: 2;
}

.phone--bottom {
  left: 10px;
  bottom: 40px;
  z-index: 1;
}

.hero-strip {
  margin-top: 8px;
  overflow: hidden;
  border-top: 1px solid rgba(25, 82, 182, 0.08);
  border-bottom: 1px solid rgba(25, 82, 182, 0.08);
  background: rgba(255, 255, 255, 0.5);
}

.hero-strip__track {
  display: flex;
  gap: 18px;
  width: max-content;
  padding: 16px 0;
  animation: marquee 22s linear infinite;
}

.hero-strip__track span {
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(25, 82, 182, 0.08);
  color: var(--blue);
  font-weight: 700;
}

.section {
  padding: 110px 0;
}

.section-head {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-head h2,
.story__left h2,
.premium-copy h2,
.cta-box h2,
.privacy-card h1 {
  margin: 16px 0 14px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.story {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 24px;
  align-items: center;
}

.story-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.story-list li {
  position: relative;
  padding-left: 22px;
  color: var(--text-soft);
  line-height: 1.7;
}

.story-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--blue-bright));
}

.story-card,
.feature-card,
.screen-info,
.premium-card,
.cta-box,
.privacy-card {
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(25, 82, 182, 0.08);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
}

.story-card {
  padding: 30px;
  border-radius: 30px;
}

.story-card__top {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.story-card h3 {
  margin: 0 0 12px;
  font-size: 1.55rem;
  line-height: 1.12;
}

.mini-badge {
  display: inline-flex;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(140, 60, 255, 0.09);
  color: var(--purple);
  font-weight: 800;
  font-size: 0.82rem;
}

.mini-badge--blue {
  background: rgba(25, 82, 182, 0.09);
  color: var(--blue);
}

.carousel {
  position: relative;
  padding: 24px;
  border-radius: 36px;
  background: linear-gradient(
    135deg,
    rgba(18, 54, 126, 0.92),
    rgba(87, 181, 255, 0.9)
  );
  box-shadow: 0 35px 90px rgba(18, 54, 126, 0.22);
  overflow: hidden;
}

.carousel__glow {
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.18),
    transparent 68%
  );
  top: -180px;
  right: -120px;
  filter: blur(20px);
}

.carousel__viewport {
  position: relative;
  min-height: 720px;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(0.92) translateY(20px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.carousel-slide.is-active {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: auto;
}

.carousel-slide img {
  width: min(360px, 100%);
  border-radius: 30px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.carousel-panel {
  position: relative;
  z-index: 2;
  margin-top: 8px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  color: #fff;
}

.carousel-kicker {
  display: inline-block;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 800;
}

.carousel-panel h3 {
  margin: 0 0 10px;
  font-size: 2rem;
}

.carousel-panel p {
  max-width: 520px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.7;
}

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

.carousel-btn {
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  cursor: pointer;
  font-size: 1.15rem;
  transition: 0.2s ease;
}

.carousel-btn:hover {
  background: rgba(255, 255, 255, 0.22);
}

.carousel-dots {
  display: flex;
  gap: 8px;
}

.carousel-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.34);
  border: 0;
  padding: 0;
  cursor: pointer;
}

.carousel-dot.is-active {
  background: #fff;
}

.screens-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.screen-info {
  padding: 26px 22px;
  border-radius: 26px;
}

.screen-info span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 800;
}

.screen-info h3 {
  margin: 0 0 10px;
  font-size: 1.3rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  padding: 28px 24px;
  border-radius: 26px;
}

.feature-card__icon {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(
    135deg,
    rgba(25, 82, 182, 0.1),
    rgba(87, 181, 255, 0.18)
  );
  font-size: 1.45rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 1.26rem;
}

.section--premium {
  padding-top: 40px;
}

.premium-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 22px;
  align-items: center;
}

.premium-points {
  margin-top: 24px;
  display: grid;
  gap: 14px;
}

.premium-point {
  padding: 18px 20px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(25, 82, 182, 0.08);
}

.premium-point strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1rem;
}

.premium-point span {
  color: var(--text-soft);
}

.premium-card {
  position: relative;
  padding: 34px;
  border-radius: 32px;
}

.premium-card__line {
  width: 120px;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue-bright), #9cd6ff);
  margin-bottom: 20px;
}

.premium-card h3 {
  margin: 0 0 12px;
  font-size: 1.7rem;
  line-height: 1.12;
}

.section--download {
  padding-top: 90px;
}

.cta-box {
  padding: 40px;
  border-radius: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.cta-box__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer {
  padding: 28px 0 54px;
}

.footer__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid rgba(25, 82, 182, 0.08);
}

.footer__links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.footer__links a {
  color: var(--text-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition:
    opacity 0.85s ease,
    transform 0.85s ease;
}

.reveal--delay {
  transition-delay: 0.14s;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.tilt-card {
  transform-style: preserve-3d;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease;
}

.float {
  animation: floatY 6s ease-in-out infinite;
}

.float--reverse {
  animation-duration: 7.5s;
  animation-direction: reverse;
}

.float--slow {
  animation-duration: 8.5s;
}

.privacy-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 56px 0;
}

.privacy-card {
  max-width: 880px;
  padding: 34px;
  border-radius: 32px;
}

.privacy-back {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--blue);
  font-weight: 700;
}

.privacy-date {
  color: var(--text-dim);
  margin-bottom: 18px;
}

.privacy-card a {
  color: var(--blue);
  font-weight: 700;
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(28px, -18px, 0) scale(1.08);
  }
}

@keyframes floatY {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

@keyframes slowSpin {
  0% {
    transform: rotate(0);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@media (max-width: 1180px) {
  .feature-grid,
  .screens-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .story,
  .premium-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 920px) {
  .hero__grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-stage {
    min-height: 620px;
  }

  .nav {
    display: none;
    position: fixed;
    top: 82px;
    left: 20px;
    right: 20px;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 20px;
    border-radius: 24px;
    background: rgba(243, 247, 255, 0.95);
    box-shadow: var(--shadow);
  }

  .nav.is-open {
    display: flex;
  }

  .burger {
    display: inline-block;
  }

  .header__actions .btn--small {
    display: none;
  }

  .cta-box,
  .footer__inner,
  .carousel-panel {
    flex-direction: column;
    align-items: flex-start;
  }

  .carousel__viewport {
    min-height: 620px;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(calc(100% - 24px), var(--container));
  }

  .hero h1 {
    font-size: 2.85rem;
  }

  .section {
    padding: 84px 0;
  }

  .feature-grid,
  .screens-grid {
    grid-template-columns: 1fr;
  }

  .hero-stage {
    min-height: 500px;
  }

  .phone--main {
    width: 220px;
    right: 16%;
    top: 120px;
  }

  .phone--side {
    width: 145px;
  }

  .hero__stats {
    gap: 12px;
  }

  .stat-card {
    flex: 1 1 100%;
  }

  .carousel {
    padding: 18px;
  }

  .carousel__viewport {
    min-height: 540px;
  }

  .carousel-slide img {
    width: min(290px, 100%);
  }

  .cta-box,
  .privacy-card {
    padding: 26px 20px;
  }
}