/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  --color-bg:        #0A0A0A;
  --color-surface:   #111111;
  --color-surface2:  #1a1a1a;
  --color-accent:    #A100FF;
  --color-accent-d:  #7a00c2;
  --color-white:     #ffffff;
  --color-gray:      #888888;
  --color-gray-l:    #cccccc;
  --color-border:    #222222;

  --font: 'Inter', sans-serif;

  --sp-xs:  0.5rem;
  --sp-sm:  1rem;
  --sp-md:  1.5rem;
  --sp-lg:  2rem;
  --sp-xl:  3rem;
  --sp-2xl: 5rem;
  --sp-3xl: 8rem;

  --radius:   8px;
  --radius-lg:16px;
  --max-w:    1200px;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }

/* ── Utils ─────────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--sp-md); }
.section    { padding: var(--sp-3xl) 0; }
.section--sm { padding: var(--sp-2xl) 0; }

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--sp-sm);
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: var(--sp-sm);
}
.section-sub {
  font-size: 1.125rem;
  color: var(--color-gray-l);
  max-width: 640px;
  line-height: 1.7;
}
.text-accent { color: var(--color-accent); }
.text-center { text-align: center; }
.text-center .section-sub { margin: 0 auto; }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.2s;
}
.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn--primary:hover { background: var(--color-accent-d); transform: translateY(-1px); }
.btn--ghost {
  border: 1.5px solid var(--color-border);
  color: var(--color-white);
}
.btn--ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn--sm { padding: 0.6rem 1.25rem; font-size: 0.85rem; }

/* ── Navbar ────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: 68px;
  display: flex;
  align-items: center;
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-lg);
  width: 100%;
}
.navbar__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.1rem;
}
.navbar__logo-icon {
  width: 34px; height: 34px;
  background: var(--color-accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 900;
}
.navbar__logo-text { letter-spacing: -0.02em; }
.navbar__logo-text span { color: var(--color-accent); font-weight: 400; }
.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
  list-style: none;
}
.navbar__nav a {
  font-size: 0.9rem;
  color: var(--color-gray-l);
  transition: color 0.2s;
}
.navbar__nav a:hover, .navbar__nav a.active { color: var(--color-white); }
.navbar__cta { margin-left: var(--sp-sm); }
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.navbar__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--sp-2xl) 0 var(--sp-lg);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-xl);
  margin-bottom: var(--sp-xl);
}
.footer__brand p {
  color: var(--color-gray);
  font-size: 0.9rem;
  margin-top: var(--sp-sm);
  line-height: 1.7;
  max-width: 280px;
}
.footer__brand a {
  color: var(--color-accent);
  font-size: 0.85rem;
  display: inline-block;
  margin-top: var(--sp-xs);
}
.footer__col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray);
  margin-bottom: var(--sp-sm);
}
.footer__col ul { list-style: none; }
.footer__col ul li { margin-bottom: 0.6rem; }
.footer__col ul a {
  color: var(--color-gray-l);
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer__col ul a:hover { color: var(--color-white); }
.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--sp-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer__bottom p { color: var(--color-gray); font-size: 0.85rem; }
.footer__bottom-links { display: flex; gap: var(--sp-md); }
.footer__bottom-links a { color: var(--color-gray); font-size: 0.85rem; transition: color 0.2s; }
.footer__bottom-links a:hover { color: var(--color-white); }

/* ── Mobile ────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .navbar__nav, .navbar__cta { display: none; }
  .navbar__toggle { display: flex; }
  .navbar__nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--color-surface);
    padding: var(--sp-lg);
    border-bottom: 1px solid var(--color-border);
    gap: var(--sp-md);
    align-items: flex-start;
  }
  .navbar__nav.open + .navbar__cta {
    display: block;
    position: fixed;
    top: calc(68px + 200px);
    left: var(--sp-lg);
  }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--sp-lg); }
  .footer__bottom { flex-direction: column; gap: var(--sp-sm); text-align: center; }
}
@media (max-width: 480px) {
  .footer__grid { grid-template-columns: 1fr; }
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl);
  max-width: 520px;
  width: 100%;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}
.modal__close {
  position: absolute;
  top: var(--sp-md);
  right: var(--sp-md);
  color: var(--color-gray);
  font-size: 1.5rem;
  line-height: 1;
  transition: color 0.2s;
}
.modal__close:hover { color: var(--color-white); }
.modal h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 0.5rem; }
.modal p { color: var(--color-gray-l); font-size: 0.95rem; margin-bottom: var(--sp-lg); }

/* Form */
.form__group { margin-bottom: var(--sp-md); }
.form__group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--color-gray-l);
}
.form__group input,
.form__group select,
.form__group textarea {
  width: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  color: var(--color-white);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color 0.2s;
}
.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form__group textarea { resize: vertical; min-height: 100px; }
.form__group select option { background: var(--color-surface); }
.form__check {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: var(--sp-md);
}
.form__check input { width: auto; margin-top: 3px; }
.form__check label { font-size: 0.8rem; color: var(--color-gray); line-height: 1.5; }
.form__check a { color: var(--color-accent); }
.form__note { font-size: 0.8rem; color: var(--color-gray); text-align: center; margin-top: var(--sp-sm); }
.form__success { text-align: center; padding: var(--sp-lg) 0; }
.form__success-icon { font-size: 3rem; margin-bottom: var(--sp-sm); }
.form__success h4 { font-size: 1.25rem; font-weight: 800; margin-bottom: 0.5rem; }
.form__success p { color: var(--color-gray-l); }