:root {
  --green: #15a24a;
  --green-dark: #10833c;
  --green-soft: rgba(21, 162, 74, 0.12);
  --charcoal: #111111;
  --charcoal-soft: #1d1d1d;
  --text: #202020;
  --muted: #616161;
  --white: #ffffff;
  --offwhite: #f4f4f1;
  --line: rgba(17, 17, 17, 0.12);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.14);
  --radius: 24px;
  --radius-sm: 14px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

button,
input,
textarea {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 1000;
  background: var(--charcoal);
  color: var(--white);
  padding: 0.75rem 1rem;
  border-radius: 999px;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 1rem 0;
  transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand img {
  width: 126px;
  height: auto;
}

.site-nav {
  position: relative;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-weight: 600;
  color: var(--white);
}

.site-header.is-scrolled .nav-links a {
  color: var(--charcoal);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--white);
  margin: 5px 0;
  border-radius: 999px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.site-header.is-scrolled .nav-toggle span:not(.sr-only) {
  background: var(--charcoal);
}

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

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--charcoal);
}

.hero-media,
.hero-media video,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(120deg, rgba(0, 0, 0, 0.78) 10%, rgba(0, 0, 0, 0.5) 46%, rgba(0, 0, 0, 0.62) 100%),
    linear-gradient(180deg, rgba(21, 162, 74, 0.12), rgba(0, 0, 0, 0.2));
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 8rem 0 5rem;
}

.hero-copy {
  max-width: 690px;
  color: var(--white);
}

.eyebrow,
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-logo {
  width: min(320px, 60vw);
  margin: 1.5rem 0 1.25rem;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.3rem, 6vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero p {
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255, 255, 255, 0.88);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 2rem 0 1rem;
}

.hero-note {
  max-width: 56ch;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.7);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.9rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 16px 35px rgba(21, 162, 74, 0.28);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--green-dark);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.2);
}

.info-section,
.learn-section,
.contact-section {
  padding: clamp(4.25rem, 8vw, 7rem) 0;
}

.info-section {
  background: linear-gradient(180deg, var(--offwhite), #ffffff);
}

.grid-two,
.learn-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.content-card,
.video-card,
.learn-panel,
.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.content-card,
.contact-form,
.learn-copy,
.contact-copy {
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.content-card h2,
.learn-copy h2,
.contact-copy h2 {
  margin: 0.9rem 0 1rem;
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.content-card p,
.learn-copy p,
.contact-copy p,
.feature-list p,
.contact-form label {
  color: var(--muted);
}

.feature-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.8rem;
}

.feature-list div {
  padding: 1.1rem 1.15rem;
  border-radius: 20px;
  background: var(--green-soft);
  border: 1px solid rgba(21, 162, 74, 0.12);
}

.feature-list h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.video-card {
  padding: 1rem;
}

.video-shell,
.learn-video-placeholder {
  border-radius: calc(var(--radius) - 6px);
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(21, 162, 74, 0.22), transparent 35%),
    linear-gradient(135deg, #191919, #2b2b2b);
  color: var(--white);
}

.video-shell {
  aspect-ratio: 16 / 9;
}

.video-placeholder,
.learn-video-placeholder {
  height: 100%;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1.5rem;
}

.play-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  margin: 0 auto 1rem;
  font-weight: 700;
}

.learn-section {
  background: var(--charcoal);
  color: var(--white);
}

.learn-copy {
  padding-left: 0;
}

.learn-copy .section-tag,
.contact-copy .section-tag {
  background: rgba(21, 162, 74, 0.12);
  border-color: rgba(21, 162, 74, 0.18);
  color: var(--green);
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 1.6rem 0 0;
  display: grid;
  gap: 0.9rem;
}

.check-list li {
  position: relative;
  padding-left: 1.8rem;
  color: rgba(255, 255, 255, 0.84);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(21, 162, 74, 0.16);
}

.learn-panel {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

.contact-section {
  background: linear-gradient(180deg, #ffffff, var(--offwhite));
}

.contact-grid {
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.form-row {
  display: grid;
  gap: 0.45rem;
}

.form-row label {
  font-weight: 600;
}

.form-row input,
.form-row textarea {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  padding: 0.95rem 1rem;
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(21, 162, 74, 0.14);
}

.btn-full {
  width: 100%;
}

.site-footer {
  background: var(--charcoal);
  color: rgba(255, 255, 255, 0.7);
  padding: 1.2rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-inner p {
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

  .learn-copy {
    padding-right: 0;
  }
}

@media (max-width: 760px) {
  .site-header {
    padding: 0.8rem 0;
  }

  .nav-toggle {
    display: block;
    position: relative;
    z-index: 101;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    min-width: 220px;
    flex-direction: column;
    align-items: stretch;
    background: rgba(17, 17, 17, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow);
    padding: 0.8rem;
    border-radius: 20px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .nav-links.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links a {
    color: var(--white) !important;
    display: block;
    padding: 0.75rem 0.8rem;
    border-radius: 12px;
  }

  .nav-links a:hover,
  .nav-links a:focus-visible {
    background: rgba(255, 255, 255, 0.08);
  }

  .hero-content {
    padding: 8rem 0 4rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .footer-inner {
    flex-direction: column;
  }
}