:root {
  --bg: #071426;
  --bg-dark: #050f1d;
  --surface: #0d2038;
  --surface-2: #122b49;
  --surface-3: #17385f;

  --blue: #1e88ff;
  --blue-light: #35b8ff;
  --yellow: #ffd43b;
  --green: #39d98a;

  --text: #ffffff;
  --muted: #aab8ca;
  --muted-2: #74869e;

  --border: rgba(255, 255, 255, 0.11);
  --soft: rgba(255, 255, 255, 0.075);

  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  --blue-shadow: 0 18px 48px rgba(30, 136, 255, 0.28);
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  background:
    radial-gradient(circle at 12% 10%, rgba(30, 136, 255, 0.32), transparent 32rem),
    radial-gradient(circle at 86% 4%, rgba(255, 212, 59, 0.15), transparent 28rem),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-dark) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.026) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

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

.site-header {
  width: min(1120px, calc(100% - 32px));
  margin: 18px auto 0;
  padding: 14px 16px;
  border-radius: 999px;
  background: rgba(8, 26, 48, 0.76);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 14px 42px rgba(0, 0, 0, 0.18);
  position: sticky;
  top: 14px;
  z-index: 20;
}

.brand,
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.brand-logo {
  width: 46px;
  height: 46px;
  object-fit: contain;
  display: block;
}

.footer-logo {
  width: 38px;
  height: 38px;
  object-fit: contain;
  display: block;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.nav a {
  padding: 9px 13px;
  border-radius: 999px;
  transition: 0.2s ease;
}

.nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  width: min(1120px, calc(100% - 32px));
  margin: 58px auto 0;
  min-height: 690px;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  gap: 58px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 9px 15px;
  border-radius: 999px;
  background: rgba(255, 212, 59, 0.12);
  border: 1px solid rgba(255, 212, 59, 0.34);
  color: var(--yellow);
  font-size: 14px;
  font-weight: 900;
  margin-bottom: 22px;
}

.badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 18px rgba(255, 212, 59, 0.75);
}

.hero h1 {
  font-size: clamp(62px, 9vw, 104px);
  line-height: 0.9;
  letter-spacing: -0.085em;
  margin-bottom: 20px;
}

.hero h2 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.058em;
  max-width: 720px;
  margin-bottom: 22px;
}

.hero p {
  color: var(--muted);
  max-width: 620px;
  font-size: 18px;
  margin-bottom: 32px;
}

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

.store-button {
  min-width: 205px;
  padding: 15px 20px;
  border-radius: 20px;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.24), transparent 34%),
    linear-gradient(135deg, var(--blue), var(--blue-light));
  box-shadow: var(--blue-shadow);
  color: white;
  font-weight: 900;
  line-height: 1.16;
  transition: 0.2s ease;
}

.store-button span {
  display: block;
  color: rgba(255, 255, 255, 0.74);
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 2px;
}

.store-button.secondary {
  background: rgba(255, 255, 255, 0.075);
  border: 1px solid var(--border);
  box-shadow: none;
}

.store-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 54px rgba(30, 136, 255, 0.34);
}

.hero-card {
  display: flex;
  justify-content: center;
  position: relative;
}

.hero-card::before {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(30, 136, 255, 0.22);
  filter: blur(42px);
  z-index: 0;
}

.phone-preview {
  width: min(390px, 100%);
  padding: 13px;
  border-radius: 48px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.18), rgba(255,255,255,0.04)),
    #06101f;
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: var(--shadow);
  position: relative;
  z-index: 1;
}

.phone-preview::after {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 40px;
  pointer-events: none;
  border: 1px solid rgba(255,255,255,0.08);
}

.phone-notch {
  width: 96px;
  height: 25px;
  border-radius: 0 0 18px 18px;
  background: #06101f;
  position: absolute;
  left: 50%;
  top: 13px;
  transform: translateX(-50%);
  z-index: 4;
}

.mock-app {
  min-height: 610px;
  border-radius: 38px;
  padding: 48px 18px 18px;
  background:
    radial-gradient(circle at 50% 0%, rgba(30, 136, 255, 0.28), transparent 16rem),
    linear-gradient(180deg, #0a1c32, #071426);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mock-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255,255,255,0.72);
  font-size: 12px;
  font-weight: 800;
}

.mock-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

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

.mock-user img {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.mock-user span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.1;
}

.mock-user strong {
  display: block;
  font-size: 22px;
  line-height: 1.05;
  letter-spacing: -0.055em;
}

.mock-level {
  min-width: 74px;
  padding: 10px 12px;
  border-radius: 18px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}

.mock-level span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  line-height: 1.1;
}

.mock-level strong {
  display: block;
  color: var(--yellow);
  font-size: 20px;
  line-height: 1.1;
}

.daily-card {
  padding: 18px;
  border-radius: 28px;
  background:
    radial-gradient(circle at top right, rgba(255, 212, 59, 0.22), transparent 12rem),
    linear-gradient(135deg, rgba(30, 136, 255, 0.24), rgba(255,255,255,0.07));
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 16px 42px rgba(0,0,0,0.18);
}

.daily-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.daily-row span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.daily-row strong {
  display: block;
  font-size: 28px;
  line-height: 1.05;
  letter-spacing: -0.06em;
}

.day-pill {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255, 212, 59, 0.15);
  color: var(--yellow);
  border: 1px solid rgba(255, 212, 59, 0.32);
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.daily-progress {
  height: 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  overflow: hidden;
  margin-bottom: 10px;
}

.daily-progress div {
  width: 8%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--yellow));
}

.daily-card p {
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}

.main-action {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 17px;
  border-radius: 26px;
  border: 1px solid rgba(255,255,255,0.12);
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.26), transparent 34%),
    linear-gradient(135deg, var(--blue), var(--blue-light));
  box-shadow: 0 15px 36px rgba(30, 136, 255, 0.25);
}

.action-icon {
  width: 42px;
  height: 42px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.18);
  font-weight: 900;
  font-size: 20px;
}

.main-action strong {
  display: block;
  font-size: 20px;
  line-height: 1.15;
  letter-spacing: -0.04em;
}

.main-action span {
  display: block;
  color: rgba(255,255,255,0.74);
  font-size: 13px;
  font-weight: 700;
  margin-top: 3px;
}

.mock-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.mock-card {
  min-height: 120px;
  padding: 14px;
  border-radius: 24px;
  background: rgba(255,255,255,0.075);
  border: 1px solid rgba(255,255,255,0.1);
}

.small-pill {
  width: fit-content;
  padding: 5px 8px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 900;
  margin-bottom: 12px;
}

.small-pill.pro {
  background: rgba(30, 136, 255, 0.18);
  color: var(--blue-light);
}

.small-pill.ai {
  background: rgba(255, 212, 59, 0.15);
  color: var(--yellow);
}

.mock-card strong {
  display: block;
  font-size: 15px;
  line-height: 1.14;
  letter-spacing: -0.035em;
  margin-bottom: 6px;
}

.mock-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.stats-grid div {
  padding: 14px;
  border-radius: 22px;
  background: rgba(255,255,255,0.065);
  border: 1px solid rgba(255,255,255,0.1);
}

.stats-grid span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.stats-grid strong {
  display: block;
  font-size: 18px;
  letter-spacing: -0.04em;
}

.bottom-nav {
  margin-top: auto;
  padding: 10px;
  border-radius: 24px;
  background: rgba(4, 12, 24, 0.72);
  border: 1px solid rgba(255,255,255,0.09);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.bottom-nav div {
  min-height: 50px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  gap: 1px;
  color: var(--muted);
}

.bottom-nav div.active {
  color: white;
  background: rgba(30, 136, 255, 0.18);
}

.bottom-nav span {
  font-size: 17px;
  line-height: 1;
}

.bottom-nav small {
  font-size: 10px;
  font-weight: 800;
}

.section {
  width: min(1120px, calc(100% - 32px));
  margin: 108px auto 0;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 34px;
}

.section-heading span,
.trust-section span {
  color: var(--yellow);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.095em;
}

.section-heading h2,
.trust-section h2,
.cta-section h2 {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.04;
  letter-spacing: -0.065em;
  margin: 10px 0 14px;
}

.section-heading p,
.cta-section p {
  color: var(--muted);
  font-size: 17px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature-card,
.exam-card {
  padding: 24px;
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.075), rgba(255,255,255,0.035)),
    rgba(15, 36, 61, 0.9);
  border: 1px solid var(--border);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.18);
  transition: 0.2s ease;
}

.feature-card:hover,
.exam-card:hover {
  transform: translateY(-4px);
  border-color: rgba(30, 136, 255, 0.3);
}

.feature-card.wide {
  grid-column: span 2;
  background:
    radial-gradient(circle at top right, rgba(255, 212, 59, 0.16), transparent 14rem),
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.035)),
    rgba(15, 36, 61, 0.95);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: rgba(30,136,255,0.15);
  color: var(--blue-light);
  font-weight: 900;
  margin-bottom: 18px;
}

.feature-card.wide .feature-icon {
  background: rgba(255, 212, 59, 0.14);
  color: var(--yellow);
}

.feature-card h3,
.exam-card h3 {
  font-size: 22px;
  letter-spacing: -0.045em;
  margin-bottom: 8px;
}

.feature-card p,
.exam-card p,
.trust-section p,
.footer p {
  color: var(--muted);
}

.exams-section {
  margin-top: 88px;
}

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

.exam-card {
  min-height: 178px;
  position: relative;
  overflow: hidden;
}

.exam-card::after {
  content: "";
  position: absolute;
  width: 110px;
  height: 110px;
  right: -35px;
  bottom: -35px;
  border-radius: 50%;
  background: rgba(30, 136, 255, 0.14);
}

.exam-card h3 {
  font-size: 38px;
  color: var(--yellow);
  letter-spacing: -0.06em;
}

.trust-section {
  width: min(1120px, calc(100% - 32px));
  margin: 90px auto 0;
  padding: 34px;
  border-radius: 32px;
  background:
    radial-gradient(circle at top left, rgba(30,136,255,0.18), transparent 20rem),
    linear-gradient(135deg, rgba(255,255,255,0.075), rgba(255,255,255,0.035)),
    rgba(15, 36, 61, 0.94);
  border: 1px solid var(--border);
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 28px;
  align-items: center;
  box-shadow: 0 22px 64px rgba(0, 0, 0, 0.2);
}

.cta-section {
  width: min(920px, calc(100% - 32px));
  margin: 110px auto 0;
  text-align: center;
  padding: 54px 30px;
  border-radius: 38px;
  background:
    radial-gradient(circle at center, rgba(30,136,255,0.2), transparent 24rem),
    linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.035)),
    rgba(15, 36, 61, 0.86);
  border: 1px solid var(--border);
}

.footer {
  width: min(1120px, calc(100% - 32px));
  margin: 84px auto 0;
  padding: 34px 0 42px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 12px;
  color: var(--muted);
  font-size: 15px;
}

.footer-links a {
  padding: 9px 12px;
  border-radius: 999px;
  transition: 0.2s ease;
}

.footer-links a:hover {
  color: var(--text);
  background: rgba(255,255,255,0.07);
}

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

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 28px;
  }

  .hero-card {
    justify-content: flex-start;
  }

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

  .trust-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header {
    border-radius: 24px;
    align-items: center;
  }

  .nav {
    display: none;
  }

  .hero {
    margin-top: 34px;
    gap: 42px;
  }

  .hero h1 {
    font-size: 64px;
  }

  .hero h2 {
    font-size: 32px;
  }

  .hero p {
    font-size: 16px;
  }

  .store-buttons {
    flex-direction: column;
  }

  .store-button {
    width: 100%;
  }

  .phone-preview {
    width: 100%;
  }

  .mock-app {
    min-height: 610px;
  }

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

  .feature-card.wide {
    grid-column: auto;
  }

  .section,
  .trust-section,
  .cta-section {
    margin-top: 72px;
  }

  .trust-section,
  .cta-section {
    padding: 26px;
  }

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

  .footer-links {
    flex-direction: column;
    gap: 6px;
  }
}

.page-main {
  width: min(1120px, calc(100% - 32px));
  margin: 70px auto 0;
}

.page-hero {
  max-width: 820px;
  margin-bottom: 34px;
}

.page-hero h1 {
  font-size: clamp(46px, 7vw, 78px);
  line-height: 0.95;
  letter-spacing: -0.075em;
  margin-bottom: 20px;
}

.page-hero p {
  color: var(--muted);
  font-size: 18px;
  max-width: 720px;
  margin-bottom: 18px;
}

.last-updated {
  display: inline-flex;
  color: var(--yellow);
  font-size: 14px;
  font-weight: 800;
}

.content-card {
  padding: 34px;
  border-radius: 32px;
  background:
    radial-gradient(circle at top left, rgba(30,136,255,0.13), transparent 22rem),
    linear-gradient(180deg, rgba(255,255,255,0.075), rgba(255,255,255,0.035)),
    rgba(15, 36, 61, 0.92);
  border: 1px solid var(--border);
  box-shadow: 0 22px 64px rgba(0, 0, 0, 0.2);
}

.content-card h2 {
  font-size: 28px;
  line-height: 1.1;
  letter-spacing: -0.045em;
  margin: 32px 0 12px;
}

.content-card h2:first-child {
  margin-top: 0;
}

.content-card h3 {
  font-size: 20px;
  letter-spacing: -0.035em;
  margin: 24px 0 8px;
}

.content-card p {
  color: var(--muted);
  margin-bottom: 14px;
}

.content-card ul {
  color: var(--muted);
  margin: 10px 0 18px 20px;
}

.content-card li {
  margin-bottom: 8px;
}

.content-card a {
  color: var(--yellow);
  font-weight: 800;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 24px;
}

.support-card {
  padding: 24px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.075), rgba(255,255,255,0.035)),
    rgba(15, 36, 61, 0.9);
  border: 1px solid var(--border);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.18);
}

.support-icon {
  width: 48px;
  height: 48px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: rgba(30,136,255,0.15);
  color: var(--blue-light);
  font-weight: 900;
  margin-bottom: 18px;
}

.support-card h2 {
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: -0.045em;
  margin-bottom: 10px;
}

.support-card p {
  color: var(--muted);
  margin-bottom: 16px;
}

.support-card a {
  color: var(--yellow);
  font-weight: 900;
}

@media (max-width: 920px) {
  .support-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .page-main {
    margin-top: 46px;
  }

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

  .page-hero h1 {
    font-size: 48px;
  }
}