:root {
  --blue-950: #0d2447;
  --blue-800: #154a8b;
  --blue-650: #1d74d8;
  --blue-500: #2f8cff;
  --aqua-300: #7ee8f2;
  --lime-300: #b8ef5f;
  --coral-300: #ff8c7a;
  --violet-300: #b9a7ff;
  --sky-100: #e8f3ff;
  --mint-100: #dcf8ee;
  --gold-100: #fff1c7;
  --rose-100: #ffe4ec;
  --ink: #162033;
  --muted: #657186;
  --line: #dce6f2;
  --paper: #ffffff;
  --wash: #f6f9fd;
  --shadow: 0 24px 70px rgba(21, 74, 139, 0.16);
}

* {
  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:
    linear-gradient(90deg, rgba(47, 140, 255, 0.04) 1px, transparent 1px),
    linear-gradient(0deg, rgba(47, 140, 255, 0.04) 1px, transparent 1px),
    var(--paper);
  background-size: 34px 34px;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(220, 230, 242, 0.85);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Nunito Sans", "Inter", sans-serif;
  font-weight: 900;
  color: var(--blue-950);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 2px solid var(--blue-950);
  border-radius: 14px 18px 13px 20px;
  color: var(--blue-950);
  background: var(--aqua-300);
  box-shadow: 5px 5px 0 var(--blue-950);
  font-size: 0.83rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 650;
}

.nav-links a:hover {
  color: var(--blue-650);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 0;
  border-radius: 999px;
  padding: 0 22px;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

.nav-cta {
  min-height: 42px;
  color: var(--blue-950);
  background: var(--gold-100);
  box-shadow: inset 0 0 0 2px rgba(13, 36, 71, 0.08);
}

.button.primary {
  color: var(--blue-950);
  background: var(--lime-300);
  box-shadow: 0 7px 0 var(--blue-950), 0 18px 34px rgba(29, 116, 216, 0.18);
}

.button:disabled {
  cursor: progress;
  opacity: 0.72;
}

.button.secondary {
  color: var(--blue-950);
  background: white;
  border: 2px solid var(--blue-950);
}

.button.wide {
  width: 100%;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(48px, 8vw, 98px) clamp(20px, 5vw, 72px) 56px;
  background:
    linear-gradient(110deg, #ffffff 0%, #ffffff 44%, rgba(232, 243, 255, 0.92) 44%, #f7fbff 100%);
  overflow: hidden;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue-650);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 22px;
  color: var(--blue-950);
  font-family: "Nunito Sans", "Inter", sans-serif;
  font-size: clamp(3.3rem, 7vw, 6.6rem);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  color: var(--blue-950);
  font-family: "Nunito Sans", "Inter", sans-serif;
  font-size: clamp(2rem, 4.2vw, 4rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  color: var(--blue-950);
  font-size: 1.25rem;
  line-height: 1.2;
}

.hero-lede {
  max-width: 620px;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.7vw, 1.34rem);
  line-height: 1.62;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.flow-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.flow-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 2px solid var(--blue-950);
  border-radius: 12px 18px 12px 20px;
  color: var(--blue-950);
  background: white;
  font-family: "Nunito Sans", "Inter", sans-serif;
  font-weight: 900;
  transform: rotate(-1.8deg);
}

.flow-badges span:nth-child(2) {
  background: var(--aqua-300);
  transform: rotate(1.2deg);
}

.flow-badges span:nth-child(3) {
  background: var(--rose-100);
  transform: rotate(-0.7deg);
}

.flow-badges span:nth-child(4) {
  background: var(--gold-100);
  transform: rotate(1.8deg);
}

.quick-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.quick-stats span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.72);
}

.quick-stats strong {
  color: var(--blue-800);
}

.hero-visual {
  position: relative;
  min-height: 580px;
}

.hero-visual img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: min(66vh, 660px);
  min-height: 520px;
  object-fit: cover;
  border: 4px solid var(--blue-950);
  border-radius: 42px 26px 46px 28px;
  box-shadow: 14px 14px 0 var(--aqua-300), var(--shadow);
}

.shape {
  position: absolute;
  z-index: 1;
  display: block;
  border: 4px solid var(--blue-950);
}

.shape-square {
  right: -26px;
  bottom: 88px;
  width: 92px;
  height: 92px;
  border-radius: 22px;
  background: var(--lime-300);
  transform: rotate(12deg);
}

.shape-pill {
  left: -34px;
  top: 42px;
  width: 120px;
  height: 58px;
  border-radius: 999px;
  background: var(--coral-300);
  transform: rotate(-16deg);
}

.shape-loop {
  right: 22%;
  top: -26px;
  width: 78px;
  height: 78px;
  border-radius: 50%;
  background: white;
  box-shadow: inset 0 0 0 18px var(--violet-300);
}

.floating-card {
  position: absolute;
  z-index: 3;
  display: grid;
  gap: 4px;
  width: min(260px, 56%);
  padding: 18px;
  border: 2px solid var(--blue-950);
  border-radius: 20px 26px 18px 24px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 7px 7px 0 var(--blue-950), 0 18px 50px rgba(13, 36, 71, 0.16);
  backdrop-filter: blur(14px);
}

.floating-card strong {
  color: var(--blue-950);
  font-size: 1.1rem;
}

.floating-card small,
.card-label {
  color: var(--muted);
  line-height: 1.45;
}

.card-label {
  color: var(--blue-650);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
}

.session-card {
  left: -24px;
  bottom: 58px;
}

.price-card {
  right: 26px;
  top: 36px;
  width: 190px;
  background: var(--gold-100);
}

.price-card strong {
  font-size: 1.8rem;
}

.trust-band {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 22px clamp(20px, 5vw, 72px);
  border-block: 1px solid var(--line);
  background: var(--blue-800);
  color: white;
}

.trust-band span {
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 10px 14px;
  border-radius: 12px 18px 12px 18px;
  background: rgba(255, 255, 255, 0.1);
  font-size: 0.92rem;
  font-weight: 700;
}

.section,
.feature-grid,
.pricing-section,
.contact-section,
.site-footer {
  padding-inline: clamp(20px, 5vw, 72px);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 88px);
  padding-top: clamp(70px, 10vw, 128px);
  padding-bottom: 34px;
}

.section-copy {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.75;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding-top: 18px;
  padding-bottom: clamp(70px, 10vw, 124px);
}

.feature-card,
.lesson-list article,
.pricing-card,
.contact-form {
  border: 2px solid var(--blue-950);
  border-radius: 22px 30px 22px 26px;
  background: white;
  box-shadow: 8px 8px 0 rgba(13, 36, 71, 0.1);
}

.feature-card {
  padding: 28px;
}

.feature-card:nth-child(2) {
  background: var(--aqua-300);
}

.feature-card:nth-child(3) {
  background: var(--gold-100);
}

.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 26px;
  border: 2px solid var(--blue-950);
  border-radius: 14px 18px 14px 20px;
  color: var(--blue-950);
  background: var(--lime-300);
  font-weight: 800;
}

.flow-section {
  padding: 0 clamp(20px, 5vw, 72px) clamp(70px, 10vw, 124px);
}

.flow-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 6vw, 70px);
  border: 3px solid var(--blue-950);
  border-radius: 32px;
  background:
    linear-gradient(135deg, rgba(126, 232, 242, 0.9), rgba(255, 241, 199, 0.95)),
    white;
  box-shadow: 10px 10px 0 var(--blue-950);
}

.flow-panel::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -70px;
  width: 260px;
  height: 180px;
  border: 4px solid var(--blue-950);
  border-radius: 50% 46% 42% 58%;
  background: var(--coral-300);
  transform: rotate(-14deg);
}

.flow-panel h2 {
  max-width: 760px;
}

.flow-steps {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.flow-steps span {
  display: grid;
  place-items: center;
  min-height: 86px;
  border: 3px solid var(--blue-950);
  border-radius: 20px;
  background: white;
  color: var(--blue-950);
  font-family: "Nunito Sans", "Inter", sans-serif;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  font-weight: 900;
}

.feature-card p,
.lesson-list p,
.pricing-copy p,
.contact-copy p,
.faq-list p,
.site-footer p {
  color: var(--muted);
  line-height: 1.65;
}

.lessons-section,
.faq-section {
  padding-block: clamp(70px, 10vw, 126px);
  background:
    linear-gradient(180deg, var(--wash), #ffffff);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.lesson-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.lesson-list article {
  padding: 24px;
}

.lesson-list article:nth-child(1) {
  background: var(--rose-100);
}

.lesson-list article:nth-child(2) {
  background: var(--sky-100);
}

.lesson-list article:nth-child(3) {
  background: var(--mint-100);
}

.lesson-list article:nth-child(4) {
  background: var(--gold-100);
}

.lesson-list span {
  display: inline-flex;
  margin-bottom: 34px;
  color: var(--blue-650);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.pricing-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 430px);
  gap: clamp(30px, 7vw, 96px);
  align-items: center;
  padding-top: clamp(74px, 11vw, 140px);
  padding-bottom: clamp(74px, 11vw, 140px);
  background:
    linear-gradient(135deg, rgba(232, 243, 255, 0.95), rgba(255, 255, 255, 0.8));
}

.pricing-copy {
  max-width: 720px;
}

.pricing-card {
  padding: 30px;
}

.price-kicker {
  color: var(--blue-650);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
}

.price {
  margin: 14px 0 18px;
  color: var(--blue-950);
  font-size: 4.2rem;
  font-weight: 850;
  letter-spacing: 0;
  line-height: 1;
}

.price span {
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 700;
}

ul {
  display: grid;
  gap: 12px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

li {
  position: relative;
  padding-left: 28px;
  color: var(--muted);
}

li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.28em;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--mint-100);
  box-shadow: inset 0 0 0 5px #31b986;
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 2px solid var(--blue-950);
  border-radius: 18px;
  background: white;
  overflow: hidden;
}

summary {
  cursor: pointer;
  padding: 20px 22px;
  color: var(--blue-950);
  font-weight: 800;
}

details p {
  margin: 0;
  padding: 0 22px 22px;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(340px, 1fr);
  gap: clamp(30px, 7vw, 88px);
  align-items: start;
  padding-top: clamp(74px, 11vw, 132px);
  padding-bottom: clamp(74px, 11vw, 132px);
  background: var(--blue-950);
  color: white;
}

.contact-section h2,
.contact-section .eyebrow {
  color: white;
}

.contact-copy p {
  color: rgba(255, 255, 255, 0.76);
}

.contact-email a,
.footer-links a {
  color: inherit;
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 26px;
  color: var(--ink);
}

.form-status {
  display: none;
  margin: 0;
  padding: 13px 14px;
  border: 2px solid var(--blue-950);
  border-radius: 14px;
  color: var(--blue-950);
  font-weight: 750;
  line-height: 1.45;
}

.form-status:not(:empty) {
  display: block;
}

.form-status[data-type="success"] {
  background: var(--mint-100);
}

.form-status[data-type="error"] {
  background: var(--rose-100);
}

.hidden-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

label {
  display: grid;
  gap: 8px;
  color: var(--blue-950);
  font-size: 0.9rem;
  font-weight: 750;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 15px;
  color: var(--ink);
  background: #fbfdff;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--blue-500);
  outline: 3px solid rgba(47, 140, 255, 0.16);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding-top: 28px;
  padding-bottom: 28px;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
}

.footer-links {
  display: grid;
  gap: 6px;
  justify-items: end;
}

.thank-you-page {
  min-height: 100vh;
}

.thank-you-main {
  display: grid;
  min-height: calc(100vh - 180px);
  place-items: center;
  padding: clamp(54px, 9vw, 118px) clamp(20px, 5vw, 72px);
  background:
    linear-gradient(110deg, #ffffff 0%, #ffffff 50%, rgba(232, 243, 255, 0.92) 50%, #f7fbff 100%);
}

.thank-you-panel {
  width: min(860px, 100%);
  padding: clamp(34px, 6vw, 70px);
  border: 3px solid var(--blue-950);
  border-radius: 30px;
  background: white;
  box-shadow: 10px 10px 0 var(--aqua-300), var(--shadow);
}

.thank-you-panel h1 {
  font-size: clamp(3rem, 6vw, 5.7rem);
}

.thank-you-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
  }

  .nav-links {
    display: none;
  }

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

  .hero {
    min-height: auto;
    background: linear-gradient(180deg, #ffffff, #f7fbff);
  }

  .hero-visual {
    min-height: auto;
  }

  .hero-visual img {
    height: auto;
    min-height: 0;
    aspect-ratio: 1.16;
  }

  .session-card {
    left: 18px;
    bottom: 18px;
  }

  .feature-grid,
  .lesson-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    padding-block: 12px;
  }

  .nav-cta {
    display: none;
  }

  h1 {
    font-size: 3.05rem;
  }

  .hero {
    padding-top: 38px;
  }

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

  .quick-stats {
    display: grid;
    grid-template-columns: 1fr;
  }

  .quick-stats span {
    justify-content: center;
  }

  .floating-card {
    position: static;
    width: 100%;
    margin-top: 12px;
  }

  .shape {
    display: none;
  }

  .hero-visual img {
    border-radius: 26px;
    box-shadow: 8px 8px 0 var(--aqua-300), var(--shadow);
  }

  .feature-grid,
  .lesson-list,
  .flow-steps {
    grid-template-columns: 1fr;
  }

  .flow-panel {
    border-radius: 24px;
    box-shadow: 6px 6px 0 var(--blue-950);
  }

  .flow-panel::after {
    width: 160px;
    height: 110px;
  }

  .price {
    font-size: 3.35rem;
  }

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

  .footer-links {
    justify-items: start;
  }

  .thank-you-actions,
  .thank-you-actions .button {
    width: 100%;
  }
}
