:root {
  --navy: #0f213f;
  --blue: #168bf2;
  --red: #ef4444;
  --teal: #18b9aa;
  --ink: #222;
  --muted: #5f6673;
  --line: #d9d9d9;
  --cta: #168bf2;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #fff;
  letter-spacing: 0;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.modal-open {
  overflow: hidden;
}

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

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

button,
input {
  font: inherit;
}

.container {
  width: min(1140px, calc(100% - 40px));
  margin: 0 auto;
}

.narrow {
  width: min(1180px, calc(100% - 40px));
}

.topbar {
  display: flex;
  justify-content: center;
  padding: 16px 20px;
  background: var(--navy);
  color: white;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 900;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #f5c542, #cc8b2c);
  color: var(--navy);
  font-size: 16px;
}

.hero {
  padding: 28px 0 36px;
  text-align: center;
}

.event-badge {
  display: inline-flex;
  justify-content: center;
  margin: 0 0 18px;
  padding: 8px 22px;
  border-radius: 9px;
  background: var(--teal);
  color: white;
  font-size: 17px;
  font-weight: 900;
}

h1 {
  max-width: 900px;
  margin: 0 auto 18px;
  font-size: clamp(28px, 3.5vw, 42px);
  line-height: 1.35;
  letter-spacing: 0;
}

.blue {
  color: var(--blue);
}

.red {
  color: var(--red);
}

.hero-lead {
  max-width: 960px;
  margin: 0 auto 14px;
  color: #111;
  font-size: 18px;
  line-height: 1.5;
}

.simple-countdown {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin: 8px 0 16px;
}

.simple-countdown div {
  min-width: 72px;
}

.simple-countdown strong {
  display: block;
  color: #111;
  font-size: 30px;
  font-weight: 500;
  line-height: 1;
}

.simple-countdown span {
  color: #444;
  font-size: 13px;
}

.primary-cta,
.modal-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  min-height: 56px;
  padding: 12px 28px;
  border: 0;
  border-radius: 8px;
  background: var(--cta);
  color: #fff;
  cursor: pointer;
  font-size: 22px;
  font-weight: 900;
  line-height: 1.1;
  text-align: center;
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.12);
}

.primary-cta strong {
  font-size: inherit;
  line-height: 1.05;
}

.primary-cta span {
  display: block;
  margin-top: 7px;
  font-size: 15px;
  font-weight: 400;
  opacity: 0.9;
}

.main-content {
  padding: 10px 0 56px;
}

.content-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.25fr;
  gap: 30px;
  align-items: start;
}

.proof-column {
  display: grid;
  gap: 22px;
}

.main-photo,
.proof-box {
  border-radius: 4px;
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.22);
}

.main-photo {
  width: 100%;
  height: 410px;
  object-fit: contain;
  background: #f4f4f4;
  padding-top: 12px;
}

.proof-box {
  overflow: hidden;
}

.proof-box strong {
  display: block;
  padding: 15px 18px;
  font-size: 18px;
}

.proof-box img {
  width: 100%;
  max-height: 460px;
  object-fit: cover;
  object-position: top center;
}

.copy-column {
  padding-top: 12px;
}

.copy-column h2 {
  margin: 0;
  font-size: 24px;
  line-height: 1.25;
}

.divider {
  width: 230px;
  height: 1px;
  margin: 12px 0 22px;
  background: #bfc7d3;
}

.lesson-list {
  display: grid;
  gap: 16px;
  margin-bottom: 32px;
}

.lesson-list p {
  margin: 0;
  color: #111;
  font-size: 18px;
  line-height: 1.42;
}

.lesson-list span {
  display: inline-grid;
  width: 20px;
  height: 20px;
  margin-right: 8px;
  place-items: center;
  border-radius: 50%;
  background: #25c3b6;
  color: white;
  font-size: 13px;
  font-weight: 900;
}

.lesson-list em {
  color: #13b8aa;
  font-style: normal;
  font-weight: 900;
}

.cta-inline {
  margin: 10px auto 0;
}

.authority {
  padding: 36px 0 28px;
  background: #f8fbff;
  text-align: center;
}

.authority h2 {
  margin-bottom: 12px;
  font-size: 28px;
}

.authority p {
  max-width: 780px;
  margin: 0 auto 26px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.5;
}

.authority-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  width: min(960px, 100%);
  margin: 0 auto;
}

.gallery-card {
  grid-column: span 1;
  overflow: hidden;
  margin: 0;
  border: 1px solid #e7edf5;
  border-radius: 10px;
  background: white;
  box-shadow: 0 6px 22px rgba(15, 33, 63, 0.1);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(15, 33, 63, 0.18);
}

.gallery-card-large {
  grid-column: span 2;
}

.gallery-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.gallery-card-large img {
  height: 240px;
  object-position: center top;
}



.gallery-card figcaption {
  padding: 12px 14px 14px;
  color: #16233a;
  font-size: 14px;
  font-weight: 900;
  text-align: center;
}

.bottom-cta-section {
  display: flex;
  justify-content: center;
  padding: 48px 20px 64px;
}



.lead-form {
  display: grid;
  gap: 16px;
}

.lead-form label {
  display: grid;
  gap: 8px;
  color: #111;
  font-size: 18px;
  font-weight: 900;
}

.lead-form input {
  min-height: 58px;
  padding: 0 16px;
  border: 1.5px solid #cbd5e1;
  border-radius: 8px;
  outline: none;
  font-size: 20px;
}

.lead-form input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(22, 139, 242, 0.12);
}

.form-submit {
  width: 100%;
  margin-top: 8px;
  font-size: 24px;
}

.footer {
  padding: 24px 20px 46px;
  background: #f7f7f7;
  color: #444;
  text-align: center;
  font-size: 13px;
  line-height: 1.6;
}

.footer p {
  max-width: 980px;
  margin: 0 auto 10px;
}

.sticky-cta {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  display: none;
  padding: 14px 20px;
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  font-weight: 900;
  box-shadow: 0 10px 24px rgba(22, 139, 242, 0.35);
}

.sticky-cta.is-visible {
  display: inline-flex;
}

.sticky-cta.is-hidden {
  display: none;
}

.modal-backdrop,
.form-modal-backdrop {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(16, 18, 20, 0.66);
  backdrop-filter: blur(10px);
}

.modal-backdrop {
  z-index: 100;
}

.form-modal-backdrop {
  z-index: 95;
}

.modal-backdrop[hidden],
.form-modal-backdrop[hidden] {
  display: none;
}

.modal {
  position: relative;
  width: min(430px, 100%);
  padding: 32px;
  border-radius: 20px;
  background: white;
  text-align: center;
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.28);
}

.lead-popup {
  position: relative;
  width: min(520px, 100%);
  padding: 0;
  border: 3px solid var(--blue);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.popup-progress {
  width: 100%;
  height: 8px;
  background: #e5e7eb;
}

.popup-progress-bar {
  width: 66%;
  height: 100%;
  background: var(--blue);
  border-radius: 0 4px 4px 0;
}

.lead-popup h2 {
  max-width: 400px;
  margin: 36px auto 10px;
  padding: 0 28px;
  color: #050505;
  font-size: 26px;
  line-height: 1.38;
  text-align: center;
  font-weight: 800;
}

.popup-lead-form {
  max-width: 420px;
  margin: 0 auto;
  padding: 18px 28px 0;
  gap: 14px;
}

.input-icon-wrap {
  display: flex;
  align-items: center;
  border: 1.5px solid #cbd5e1;
  border-radius: 30px;
  overflow: hidden;
  background: #fff;
  transition: border-color 0.2s;
}

.input-icon-wrap:focus-within {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(22, 139, 242, 0.12);
}

.input-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  flex-shrink: 0;
  font-size: 20px;
  color: #94a3b8;
  padding-left: 14px;
}

.input-icon-wrap input {
  flex: 1;
  min-height: 54px;
  padding: 0 16px 0 6px;
  border: 0;
  outline: none;
  font-size: 17px;
  background: transparent;
}

.popup-actions {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  margin: 28px -28px 0;
  border-top: 1px solid #e5e7eb;
  overflow: hidden;
}

.popup-back,
.popup-submit {
  min-height: 56px;
  border: 0;
  color: #fff;
  cursor: pointer;
  font-size: 18px;
  font-weight: 800;
}

.popup-back {
  background: #0d8ce8;
  padding: 0 24px;
  font-size: 22px;
}

.popup-submit {
  background: #0672c7;
  padding: 0 28px;
  letter-spacing: 1px;
}

.popup-step {
  text-align: center;
  font-size: 16px;
  font-weight: 600;
  color: #64748b;
  background: #f1f5f9;
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: #f3f4f6;
  cursor: pointer;
  font-size: 24px;
}

.form-modal-close {
  top: -18px;
  right: -18px;
  border: 2px solid white;
  background: #1f2937;
  color: #fff;
}

.success-icon {
  display: grid;
  width: 64px;
  height: 64px;
  margin: 0 auto 14px;
  place-items: center;
  border-radius: 50%;
  background: #16a34a;
  color: white;
  font-size: 34px;
  font-weight: 900;
}

.modal-step {
  margin-bottom: 6px;
  color: var(--blue);
  font-weight: 900;
  text-transform: uppercase;
}

.modal h2 {
  margin-bottom: 10px;
  font-size: 28px;
}

.modal p {
  color: #5f6772;
  line-height: 1.58;
}

.modal-btn {
  width: 100%;
  min-height: 56px;
  margin: 8px 0 12px;
  font-size: 17px;
}

.modal-warning {
  margin-bottom: 0;
  font-size: 13px;
}

@media (max-width: 900px) {
  .content-grid,
  .register-grid {
    grid-template-columns: 1fr;
  }

  .primary-cta {
    font-size: 22px;
  }

  .lesson-list p {
    font-size: 21px;
  }
}

@media (max-width: 640px) {
  .container,
  .narrow {
    width: min(100% - 28px, 1140px);
  }

  .brand {
    font-size: 20px;
  }

  .hero {
    padding: 32px 0 42px;
  }

  .event-badge {
    padding: 10px 16px;
    font-size: 16px;
  }

  h1 {
    font-size: 34px;
    line-height: 1.22;
  }

  .hero-lead {
    font-size: 18px;
  }

  .simple-countdown {
    gap: 18px;
  }

  .simple-countdown strong {
    font-size: 28px;
  }

  .primary-cta {
    width: 100%;
    min-height: 58px;
    padding: 12px 14px;
    font-size: 18px;
  }

  .primary-cta span {
    font-size: 14px;
  }

  .main-photo {
    height: 320px;
  }

  .copy-column h2 {
    font-size: 27px;
  }

  .lesson-list p {
    font-size: 18px;
  }

  .proof-box img {
    max-height: 390px;
  }

  .register-grid {
    padding: 24px 18px;
  }

  .register-grid h2 {
    font-size: 30px;
  }

  .register-grid p,
  .register-grid li {
    font-size: 17px;
  }

  .authority h2 {
    font-size: 28px;
  }

  .authority p {
    font-size: 17px;
  }

  .authority-gallery {
    grid-template-columns: 1fr;
  }

  .gallery-card,
  .gallery-card-large {
    grid-column: span 1;
  }

  .gallery-card img {
    height: 220px;
  }

  .sticky-cta {
    left: 12px;
    right: 12px;
    bottom: 12px;
    justify-content: center;
  }

  .lead-popup {
    width: 100%;
    max-height: 100vh;
    border-radius: 0;
    border-width: 2px;
    overflow: auto;
  }

  .lead-popup h2 {
    font-size: 22px;
    margin: 28px auto 8px;
    padding: 0 20px;
  }

  .popup-lead-form {
    padding: 14px 20px 0;
  }

  .input-icon-wrap input {
    min-height: 50px;
    font-size: 16px;
  }

  .popup-actions {
    margin: 22px -20px 0;
  }

  .popup-back,
  .popup-submit {
    min-height: 50px;
    font-size: 16px;
  }

  .popup-step {
    font-size: 14px;
  }

  .form-modal-close {
    top: 10px;
    right: 10px;
    background: #374151;
    border: 0;
  }
}