@import url("variables.css");

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--c-bg);
  color: var(--c-ink);
  line-height: 1.6;
  min-height: 100vh;
}

body.nav-open {
  overflow: hidden;
}

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

a:hover {
  color: var(--c-accent);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
}

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

.container {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: 0 var(--space-6);
}

header.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(11, 11, 11, 0.88);
  border-bottom: 1px solid var(--c-border);
}

header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-4) 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: 1.1rem;
}

.brand img {
  width: 32px;
  height: 32px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--c-border-strong);
  color: var(--c-ink);
  padding: 6px 10px;
  border-radius: var(--radius-soft);
}

nav.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

nav.site-nav a:not(.btn) {
  font-size: 0.95rem;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
  color: var(--c-muted);
}

nav.site-nav a:not(.btn):hover {
  color: var(--c-ink);
  border-bottom-color: rgba(46, 204, 113, 0.4);
}

nav.site-nav a:not(.btn).active {
  color: var(--c-accent);
  border-bottom-color: var(--c-accent);
}

nav.site-nav a.btn {
  padding: 10px 22px;
  border-bottom: none;
}

nav.site-nav a.btn-primary {
  color: #0b0b0b;
}

nav.site-nav a.btn-primary:hover {
  color: #0b0b0b;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  padding: 10px 22px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
  line-height: 1.15;
}

.btn-primary {
  background: var(--c-accent);
  color: #0b0b0b;
  border-color: var(--c-accent);
  box-shadow: 0 10px 20px rgba(46, 204, 113, 0.18);
}

.btn-primary:hover {
  color: #0b0b0b;
  transform: translateY(-2px);
  box-shadow: 0 16px 28px rgba(46, 204, 113, 0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--c-ink);
  border-color: var(--c-border-strong);
}

.btn-secondary:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.hero {
  padding: clamp(80px, 18vw, 140px) 0 clamp(48px, 14vw, 96px);
  text-align: left;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.6rem);
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.hero p.lead {
  color: var(--c-muted);
  font-size: 1.1rem;
  max-width: 560px;
  margin-bottom: var(--space-6);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.hero small {
  color: var(--c-muted);
}

section {
  padding: clamp(60px, 14vw, 96px) 0;
}

.section-heading {
  text-align: center;
  margin-bottom: var(--space-8);
}

.section-heading h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: var(--space-3);
}

.section-heading p {
  color: var(--c-muted);
  max-width: 640px;
  margin: 0 auto;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
}

.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: var(--space-6);
  box-shadow: var(--c-shadow);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.card h3 {
  font-size: 1.25rem;
  margin: 0;
}

.card p {
  color: var(--c-muted);
  margin: 0;
}

.steps {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  counter-reset: how;
}

.step-card {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: var(--space-6);
  background: rgba(17, 17, 17, 0.9);
  backdrop-filter: blur(6px);
  box-shadow: var(--c-shadow);
  position: relative;
}

.step-card::before {
  counter-increment: how;
  content: counter(how);
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(46, 204, 113, 0.85);
}

.step-card h3 {
  margin-top: 0;
  font-size: 1.2rem;
}

.video-frame {
  position: relative;
  padding-bottom: 56.25%;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--c-shadow);
  border: 1px solid var(--c-border);
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: center;
}

.social-row a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--c-border-strong);
  color: var(--c-muted);
}

.social-row a:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.cta-block {
  background: linear-gradient(135deg, rgba(46, 204, 113, 0.12), rgba(17, 17, 17, 0.9));
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: var(--space-8);
  text-align: center;
  box-shadow: var(--c-shadow);
}

footer.site-footer {
  border-top: 1px solid var(--c-border);
  padding: var(--space-6) 0;
}

footer .inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  color: var(--c-muted);
}

footer .links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

footer .links a:hover {
  color: var(--c-accent);
}

.mobile-nav {
  display: none;
}

@media (max-width: 900px) {
  nav.site-nav {
    position: fixed;
    inset: 0;
    background: rgba(11, 11, 11, 0.96);
    backdrop-filter: blur(12px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-6);
    transform: translateY(-100%);
    pointer-events: none;
    transition: transform 0.3s ease;
  }

  nav.site-nav.open {
    transform: translateY(0);
    pointer-events: auto;
  }

  nav.site-nav a {
    font-size: 1.4rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero {
    text-align: left;
  }

  .cards-grid,
  .steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 0 var(--space-4);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .social-row {
    flex-direction: column;
  }
}