:root {
  --color-ink: #111827;
  --color-charcoal: #17191d;
  --color-muted: #5f6875;
  --color-line: #e4e8ee;
  --color-soft: #f5f8fb;
  --color-white: #ffffff;
  --color-sky: #2f8ecb;
  --color-orange: #f06a2d;
  --shadow-soft: 0 18px 45px rgba(17, 24, 39, 0.12);
  --shadow-small: 0 10px 28px rgba(17, 24, 39, 0.09);
  --radius: 8px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--color-ink);
  background: var(--color-white);
  line-height: 1.6;
}

p {
  text-align: justify;
  text-align-last: left;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(228, 232, 238, 0.86);
  backdrop-filter: blur(18px);
}

.navbar {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-size: 1.45rem;
  font-weight: 800;
  color: #d83236;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: #333942;
  font-size: 0.95rem;
  font-weight: 600;
}

.nav-links a {
  position: relative;
  padding-block: 8px;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--color-orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  padding: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-ink);
  margin: 5px 0;
}

.hero {
  position: relative;
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: end;
  overflow: hidden;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  background: linear-gradient(180deg, rgba(17,24,39,0) 58%, rgba(17,24,39,0.42) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  padding-bottom: clamp(42px, 7vh, 76px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--color-sky);
  font-weight: 800;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.hero h1,
.about-hero h1 {
  margin: 0;
  font-size: clamp(3.25rem, 9vw, 7.5rem);
  line-height: 0.9;
  font-weight: 800;
}

.hero-subtitle {
  margin: 22px 0 4px;
  font-size: clamp(1.25rem, 3vw, 2.25rem);
  font-weight: 700;
}

.hero-tagline {
  margin: 0 0 32px;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  color: var(--color-muted);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.72;
  transform: none;
}

.btn-primary {
  color: var(--color-white);
  background: var(--color-orange);
  box-shadow: 0 10px 20px rgba(240, 106, 45, 0.22);
}

.btn-secondary {
  color: var(--color-ink);
  background: rgba(255,255,255,0.88);
  border-color: var(--color-line);
}

.btn-dark {
  background: var(--color-charcoal);
  color: var(--color-white);
  border-color: var(--color-charcoal);
}

.section {
  padding: 92px 0;
}

.section-soft {
  background: var(--color-soft);
}

#about-preview {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(245,248,251,0.72) 0%, rgba(245,248,251,0.44) 48%, rgba(245,248,251,0.58) 100%),
    url("STATIC/fpv-backdrop.png") 72% center / cover;
}

#about-preview::before {
  content: "";
  position: absolute;
  inset: -24px;
  background: radial-gradient(circle at 76% 48%, rgba(17,24,39,0.22), transparent 34%);
  opacity: 0.85;
}

#about-preview::after {
  content: none;
}

#about-preview > .container {
  position: relative;
  z-index: 2;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2,
.section-copy h2,
.register-copy h2,
.about-preview h2,
.experience-grid h2,
.contact-panel h2,
.final-cta h2 {
  margin: 0 0 18px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.08;
}

.section-heading p,
.section-copy p,
.register-copy p,
.about-preview p,
.about-hero p,
.experience-grid p,
.contact-panel p {
  color: var(--color-muted);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 44px;
  align-items: start;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.course-card,
.mission-grid article,
.founder-card,
.gallery-grid figure,
.registration-form {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-small);
}

.feature-card {
  overflow: hidden;
}

.feature-card img {
  height: 180px;
  object-fit: cover;
}

.feature-card h3,
.feature-card p {
  margin-inline: 18px;
}

.feature-card h3 {
  margin-top: 18px;
  margin-bottom: 6px;
}

.feature-card p {
  margin-top: 0;
  margin-bottom: 20px;
  color: var(--color-muted);
  text-align: left;
}

.wide-visual {
  position: relative;
  min-height: unset;
  display: grid;
  align-items: stretch;
  overflow: hidden;
  background: var(--color-charcoal);
}

.wide-visual img {
  position: relative;
  grid-area: 1 / 1;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: contain;
}

.final-cta img {
  position: absolute;
  inset: 0;
  height: 100%;
  object-fit: cover;
}

.final-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17,24,39,0.06), rgba(17,24,39,0.72));
}

.wide-visual-content {
  grid-area: 1 / 1;
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  padding-block: clamp(22px, 4vw, 46px);
  pointer-events: none;
}

.wide-visual-copy {
  width: min(440px, 100%);
  padding: 20px 22px;
  border-radius: var(--radius);
  color: var(--color-white);
  background: rgba(17, 24, 39, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
  box-shadow: 0 16px 34px rgba(17, 24, 39, 0.18);
}

.wide-visual-copy p {
  max-width: 400px;
  margin: 0 0 8px;
  font-size: clamp(1.45rem, 3vw, 2.45rem);
  line-height: 1.08;
  font-weight: 800;
  text-align: left;
  text-align-last: left;
}

.wide-visual-copy span {
  display: block;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.98rem;
  line-height: 1.55;
  text-align: left;
  text-align-last: left;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.course-card {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.course-card h3 {
  margin: 12px 0 0;
  font-size: 1.35rem;
}

.course-card ul,
.check-list {
  margin: 0;
  padding-left: 20px;
  color: #38404a;
}

.course-card li,
.check-list li {
  margin: 9px 0;
}

.badge {
  display: inline-flex;
  width: fit-content;
  padding: 7px 10px;
  border-radius: 999px;
  color: #0e5e89;
  background: #e7f4fb;
  font-size: 0.78rem;
  font-weight: 800;
}

.after-course {
  margin: auto 0 0;
  color: var(--color-muted);
}

.course-card-accent {
  border-color: rgba(240, 106, 45, 0.35);
}

.register-layout,
.about-preview,
.story-layout,
.experience-grid,
.about-hero-grid,
.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 44px;
  align-items: center;
}

.about-preview {
  position: relative;
  isolation: isolate;
  padding-block: clamp(44px, 6vw, 76px);
}

.about-preview > div {
  padding: 26px;
  border-radius: var(--radius);
  background: rgba(245, 248, 251, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.36);
  backdrop-filter: blur(6px);
}

.register-copy img,
.about-preview img,
.story-layout img,
.experience-grid img,
.about-hero-grid img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  object-fit: cover;
}

.about-preview img,
.story-layout img {
  object-fit: contain;
  background: var(--color-white);
  padding: 10px;
}

.register-copy img {
  margin-top: 26px;
  aspect-ratio: 5 / 4;
}

.registration-form {
  padding: 30px;
}

.registration-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
  color: #303741;
  font-weight: 700;
}

.registration-form input,
.registration-form textarea,
.registration-form select {
  width: 100%;
  border: 1px solid #cfd6df;
  border-radius: var(--radius);
  min-height: 46px;
  padding: 12px 13px;
  font: inherit;
  color: var(--color-ink);
  background: var(--color-white);
}

.captcha-field {
  margin-bottom: 18px;
}

.captcha-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 46px;
  gap: 10px;
  align-items: center;
}

.captcha-question {
  min-width: 86px;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--color-soft);
  border: 1px solid var(--color-line);
  color: var(--color-ink);
  font-weight: 800;
}

.captcha-refresh {
  width: 46px;
  height: 46px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-ink);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.captcha-error {
  min-height: 22px;
  margin: 8px 0 0;
  color: #b42318;
  font-size: 0.92rem;
  text-align: left;
}

.registration-form textarea {
  resize: vertical;
}

.registration-form input:focus,
.registration-form textarea:focus,
.registration-form select:focus {
  outline: 3px solid rgba(47, 142, 203, 0.18);
  border-color: var(--color-sky);
}

.form-note,
.form-message {
  color: var(--color-muted);
  font-size: 0.93rem;
}

.form-honey {
  display: none;
}

.form-message {
  min-height: 24px;
  margin-bottom: 0;
  color: #176c3a;
  font-weight: 700;
}

.about-preview img,
.story-layout img,
.experience-grid img,
.about-hero-grid img {
  height: 100%;
  max-height: 520px;
}

.about-preview img,
.story-layout img {
  height: auto;
  max-height: none;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.gallery-grid figure {
  overflow: hidden;
  margin: 0;
}

.gallery-grid img {
  height: 250px;
  object-fit: cover;
  transition: transform 220ms ease;
}

.gallery-grid figure:hover img {
  transform: scale(1.035);
}

.gallery-grid figcaption {
  padding: 14px 16px 16px;
  font-weight: 800;
}

.final-cta {
  position: relative;
  min-height: 520px;
  display: grid;
  align-items: center;
  overflow: hidden;
}

.final-cta-content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  max-width: var(--max-width);
}

.final-cta h2 {
  max-width: 760px;
  letter-spacing: 0;
}

.final-cta p {
  width: fit-content;
  min-width: min(100%, 340px);
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.9);
  text-align: left;
}

.final-cta a {
  color: inherit;
}

.site-footer {
  background: var(--color-charcoal);
  color: rgba(255,255,255,0.82);
  padding: 34px 0;
}

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

.footer-inner p {
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-weight: 700;
}

.about-hero {
  background: var(--color-soft);
}

.about-hero h1 {
  font-size: clamp(2.75rem, 6vw, 5.8rem);
  line-height: 0.98;
}

.about-hero p {
  max-width: 620px;
  font-size: 1.12rem;
}

.mission-grid,
.founder-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.mission-grid article {
  padding: 28px;
}

.mission-grid h3 {
  margin: 0 0 10px;
}

.mission-grid p {
  margin: 0;
  color: var(--color-muted);
}

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

.founder-card {
  overflow: hidden;
}

.founder-card img {
  height: 460px;
  object-fit: cover;
  background: var(--color-soft);
}

.founder-card:first-child img {
  object-fit: contain;
  object-position: center;
  padding: 14px;
}

.founder-card:nth-child(2) img {
  object-position: 44% 18%;
}

.founder-card div {
  padding: 22px;
}

.founder-card h3,
.founder-card p {
  margin: 0;
}

.founder-card p {
  margin-top: 8px;
  color: var(--color-muted);
  text-align: left;
}

.experience-section {
  padding: 92px 0;
  background: var(--color-charcoal);
  color: var(--color-white);
}

.experience-grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
}

.experience-grid p,
.experience-grid li {
  color: rgba(255,255,255,0.8);
}

.contact-panel {
  padding: 36px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-small);
}

.thank-you-section {
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: center;
  padding: 86px 0;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.98), rgba(255,255,255,0.72)),
    url("STATIC/banner_2.png") center / cover;
}

.thank-you-panel {
  max-width: 720px;
}

.thank-you-panel h1 {
  margin: 0 0 16px;
  font-size: clamp(2.6rem, 6vw, 5.2rem);
  line-height: 0.98;
}

.thank-you-panel p {
  max-width: 560px;
  color: var(--color-muted);
  font-size: 1.12rem;
}

@media (max-width: 920px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 72px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 20px;
    background: var(--color-white);
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
  }

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

  .split-section,
  .register-layout,
  .about-preview,
  .story-layout,
  .experience-grid,
  .about-hero-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

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

  .mission-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 720px;
  }

  .hero-shade {
    background: linear-gradient(180deg, rgba(17,24,39,0) 50%, rgba(17,24,39,0.48) 100%);
  }
}

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

  .section,
  .experience-section {
    padding: 66px 0;
  }

  .hero {
    min-height: 650px;
  }

  .hero-image {
    object-position: 68% center;
  }

  .hero-content {
    padding-top: 54px;
  }

  .button-row,
  .btn {
    width: 100%;
  }

  .feature-grid,
  .course-grid,
  .gallery-grid,
  .founder-grid {
    grid-template-columns: 1fr;
  }

  .wide-visual {
    display: block;
  }

  .wide-visual img {
    aspect-ratio: auto;
  }

  .wide-visual-content {
    display: block;
    width: 100%;
    padding: 0;
  }

  .wide-visual-copy {
    width: 100%;
    border-radius: 0;
    box-shadow: none;
    background: var(--color-charcoal);
    border: 0;
  }

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

  .course-card,
  .registration-form,
  .contact-panel {
    padding: 22px;
  }

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