:root {
  --navy: #071a3f;
  --blue: #165dff;
  --blue-light: #6db7ff;
  --cyan: #77e5ff;
  --white: #ffffff;
  --ink: #10233f;
  --muted: #63708a;
  --card: rgba(255, 255, 255, 0.86);
  --card-border: rgba(255, 255, 255, 0.45);
  --shadow: 0 24px 70px rgba(4, 24, 67, 0.22);
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(119, 229, 255, 0.65), transparent 28rem),
    radial-gradient(circle at top right, rgba(84, 130, 255, 0.55), transparent 34rem),
    linear-gradient(135deg, #eaf7ff 0%, #d7ebff 35%, #b6d7ff 64%, #8db8ff 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.28) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.62), transparent 78%);
}

img,
svg {
  max-width: 100%;
}

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

button,
input,
textarea {
  font: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  position: relative;
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 50;
  padding-top: 18px;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(22px);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  box-shadow: 0 16px 42px rgba(6, 28, 77, 0.12);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: white;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  border-radius: 14px;
  box-shadow: 0 12px 24px rgba(22, 93, 255, 0.32);
}

.brand-text {
  font-size: 1.2rem;
}

.brand-text span {
  color: var(--blue);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  padding: 10px 14px;
  color: #23405f;
  font-weight: 700;
  border-radius: 999px;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.nav-links a:hover {
  color: var(--blue);
  background: rgba(22, 93, 255, 0.08);
  transform: translateY(-1px);
}

.nav-links .nav-button {
  color: white;
  background: linear-gradient(135deg, var(--blue), #0831a9);
  box-shadow: 0 10px 26px rgba(22, 93, 255, 0.3);
}

.nav-links .nav-button:hover {
  color: white;
  background: linear-gradient(135deg, #0b49d8, var(--navy));
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 999px;
  background: rgba(22, 93, 255, 0.1);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--navy);
  border-radius: 999px;
}

.section-padding {
  padding: 92px 0;
}

.hero {
  min-height: calc(100vh - 96px);
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.78fr);
  align-items: center;
  gap: 48px;
  position: relative;
}

.hero-content,
.section-heading,
.contact-card,
.testimonial-card,
.feature-list,
.hero-card,
.subject-card,
.process-card,
.stat-card {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 14px;
  color: #0b61c9;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.76rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  color: var(--navy);
  font-size: clamp(3.2rem, 7vw, 6.7rem);
  line-height: 0.9;
  letter-spacing: -0.08em;
}

h2 {
  margin-bottom: 18px;
  color: var(--navy);
  font-size: clamp(2.1rem, 4.4vw, 4.3rem);
  line-height: 0.95;
  letter-spacing: -0.065em;
}

h3 {
  color: var(--navy);
  letter-spacing: -0.03em;
}

.hero-copy,
.section-heading p,
.contact-card p,
.feature-list li,
.subject-card p,
.process-card p,
.testimonial-card p,
.site-footer p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 1.02rem;
}

.hero-copy {
  max-width: 720px;
  font-size: 1.16rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 32px 0 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 0;
  border-radius: 999px;
  font-weight: 900;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--navy));
  box-shadow: 0 18px 38px rgba(22, 93, 255, 0.28);
}

.button.secondary {
  color: var(--navy);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.65);
}

.full-width {
  width: 100%;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-row span {
  padding: 9px 12px;
  color: #17385a;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.88rem;
}

.hero-card {
  min-height: 520px;
  padding: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.88), rgba(255,255,255,0.66));
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(26px);
  display: grid;
  align-content: space-between;
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: -80px;
  top: -80px;
  background: radial-gradient(circle, rgba(22, 93, 255, 0.3), transparent 70%);
}

.card-topline {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--navy);
  font-weight: 900;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #20d184;
  box-shadow: 0 0 0 8px rgba(32, 209, 132, 0.16);
}

.score-circle {
  width: 220px;
  height: 220px;
  margin: 34px auto 16px;
  display: grid;
  place-items: center;
  align-content: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, white 54%, transparent 56%),
    conic-gradient(var(--blue) 0deg 331deg, rgba(22,93,255,0.12) 331deg 360deg);
  box-shadow: inset 0 0 40px rgba(22, 93, 255, 0.12), 0 24px 52px rgba(22, 93, 255, 0.16);
}

.score-circle span {
  display: block;
  color: var(--navy);
  font-size: 3.2rem;
  font-weight: 900;
  letter-spacing: -0.07em;
}

.score-circle small {
  color: var(--muted);
  font-weight: 800;
}

.mini-bars {
  height: 110px;
  display: flex;
  align-items: end;
  gap: 12px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.64);
  border-radius: var(--radius-lg);
}

.mini-bars span {
  flex: 1;
  height: var(--height);
  border-radius: 999px 999px 8px 8px;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  animation: growBar 950ms ease both;
}

.next-session {
  margin-top: 18px;
  padding: 18px;
  background: rgba(7, 26, 63, 0.92);
  color: white;
  border-radius: var(--radius-lg);
}

.next-session strong,
.next-session span {
  display: block;
}

.next-session span {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.76);
}

.hero-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(3px);
  opacity: 0.72;
  animation: floatOrb 7s ease-in-out infinite;
}

.orb-one {
  width: 180px;
  height: 180px;
  left: -70px;
  top: 22%;
  background: rgba(119, 229, 255, 0.72);
}

.orb-two {
  width: 230px;
  height: 230px;
  right: 22%;
  bottom: 6%;
  background: rgba(22, 93, 255, 0.2);
  animation-delay: 1s;
}

.stats-section {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: -38px;
}

.stat-card,
.subject-card,
.process-card,
.testimonial-card,
.feature-list,
.contact-card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 44px rgba(7, 26, 63, 0.11);
  backdrop-filter: blur(22px);
}

.stat-card {
  padding: 24px;
  text-align: center;
}

.stat-card strong {
  display: block;
  color: var(--navy);
  font-size: 2rem;
  letter-spacing: -0.07em;
}

.stat-card span {
  color: var(--muted);
  font-weight: 800;
}

.split-section {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 34px;
  align-items: start;
}

.section-heading {
  position: sticky;
  top: 126px;
}

.centered {
  max-width: 760px;
  margin: 0 auto 38px;
  text-align: center;
  position: relative;
  top: auto;
}

.subject-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.subject-card,
.process-card {
  padding: 26px;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.subject-card:hover,
.process-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 26px 58px rgba(7, 26, 63, 0.16);
}

.icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--navy));
  border-radius: 18px;
  font-weight: 900;
  box-shadow: 0 14px 28px rgba(22, 93, 255, 0.26);
}

.process-section {
  padding-top: 46px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.process-card span {
  display: inline-block;
  margin-bottom: 40px;
  color: var(--blue);
  font-size: 0.88rem;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.testimonial-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
  align-items: stretch;
}

.testimonial-card {
  padding: 38px;
}

.quote-mark {
  color: var(--blue);
  font-size: 7rem;
  line-height: 0.7;
  font-weight: 900;
}

.testimonial-card p {
  color: #213a5e;
  font-size: clamp(1.35rem, 2.5vw, 2.2rem);
  line-height: 1.35;
  letter-spacing: -0.045em;
}

.testimonial-author strong,
.testimonial-author span {
  display: block;
}

.testimonial-author span {
  color: var(--muted);
  margin-top: 4px;
}

.feature-list {
  padding: 38px;
}

.feature-list ul {
  list-style: none;
  padding: 0;
  margin: 26px 0 0;
}

.feature-list li {
  position: relative;
  padding: 13px 0 13px 34px;
  border-top: 1px solid rgba(22, 93, 255, 0.12);
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 13px;
  color: var(--blue);
  font-weight: 900;
}

.contact-section {
  padding-top: 42px;
}

.contact-card {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 34px;
  padding: 38px;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form label {
  color: var(--navy);
  font-weight: 900;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 8px;
  padding: 14px 15px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(22, 93, 255, 0.18);
  border-radius: 16px;
  outline: none;
  transition: border 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(22, 93, 255, 0.6);
  box-shadow: 0 0 0 5px rgba(22, 93, 255, 0.1);
  background: white;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.form-note.success {
  color: #05784c;
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 0 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.58);
}

.footer-brand {
  margin-bottom: 12px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  color: var(--navy);
  font-weight: 900;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

.delay-one {
  transition-delay: 120ms;
}

.delay-two {
  transition-delay: 220ms;
}

@keyframes growBar {
  from {
    transform: scaleY(0.18);
    transform-origin: bottom;
  }
  to {
    transform: scaleY(1);
    transform-origin: bottom;
  }
}

@keyframes floatOrb {
  0%, 100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(18px, -22px, 0) scale(1.04);
  }
}

@media (max-width: 900px) {
  .page-shell {
    width: min(100% - 24px, 720px);
  }

  .navbar {
    border-radius: 24px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 10px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.74);
    border-radius: 24px;
    box-shadow: 0 18px 44px rgba(7, 26, 63, 0.16);
    backdrop-filter: blur(18px);
  }

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

  .nav-links a {
    text-align: center;
  }

  .hero,
  .split-section,
  .testimonial-section,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 62px;
  }

  .hero-card {
    min-height: 460px;
  }

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

  .section-heading {
    position: relative;
    top: auto;
  }
}

@media (max-width: 620px) {
  .section-padding {
    padding: 68px 0;
  }

  h1 {
    font-size: clamp(3rem, 15vw, 4.5rem);
  }

  .hero-actions,
  .trust-row,
  .site-footer {
    flex-direction: column;
  }

  .hero-actions .button {
    width: 100%;
  }

  .stats-section,
  .subject-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .hero-card,
  .contact-card,
  .testimonial-card,
  .feature-list {
    padding: 24px;
  }

  .score-circle {
    width: 190px;
    height: 190px;
  }

  .site-footer {
    align-items: flex-start;
  }
}
