/* ─── TOKENS ─── */
:root {
  --violet:       #615fff;
  --violet-light: #9d99ff;
  --violet-dim:   #4a3bd6;
  --violet-bg:    #ebeaff;
  --violet-950:   #15131f;
  --teal:         #2bbfb0;
  --teal-light:   #7dddd6;
  --ink-900:      #18151f;
  --ink-800:      #252130;
  --ink-700:      #3a3548;
  --ink-500:      #7a7490;
  --ink-300:      #b5b1c5;
  --ink-100:      #eceaf3;
  --ink-50:       #f6f5fa;
  --white:        #ffffff;

  /* Surface + text aliases for the new design system */
  --bg:             #faf9ff;
  --bg-sunken:      #f4f2fb;
  --fg:             var(--ink-900);
  --fg-1:           var(--ink-700);
  --fg-2:           var(--ink-500);
  --fg-3:           var(--ink-300);
  --border:         var(--ink-100);
  --border-subtle:  #f0eef7;
  --accent:         var(--violet);
  --accent-soft:    var(--violet-bg);
  --accent-soft-fg: var(--violet-dim);

  --font-display:  'Sora', sans-serif;
  --font-body:     'DM Sans', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;
  --font-wordmark: 'Archivo', sans-serif;
  --nav-h:        64px;
  --ease-out:    cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --dur-fast:    120ms;
  --dur-base:    200ms;
  --accent-press: #4340c7;   /* press shade; editable default */
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; color-scheme: light; }
body {
  font-family: var(--font-body);
  background: #ffffff;
  color: var(--ink-900);
  -webkit-font-smoothing: antialiased;
}

/* ─── NAV ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  background: rgba(250, 249, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-logo {
  font-family: var(--font-wordmark);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--ink-900);
  text-decoration: none;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 9px;
}

.nav-mark {
  flex-shrink: 0;
  display: inline-block;
  width: 20px;
  height: 20px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--ink-500);
  text-decoration: none;
  transition: color var(--dur-fast);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--ink-900); }
.nav-links a:focus-visible { outline: 2px solid var(--violet); outline-offset: 3px; border-radius: 4px; }

.nav-cta {
  background: var(--violet) !important;
  color: var(--white) !important;
  padding: 8px 18px !important;
  border-radius: 8px !important;
  font-weight: 500 !important;
  white-space: nowrap;
  transition: background var(--dur-base) ease, transform var(--dur-fast) var(--ease-out) !important;
}

.nav-cta:hover { background: var(--violet-dim) !important; color: var(--white) !important; }
.nav-cta:active { background: var(--accent-press) !important; transform: scale(0.97); }
.nav-cta:focus-visible { outline: 2px solid var(--violet); outline-offset: 3px; }

/* ─── SHARED ─── */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-300);
  margin-bottom: 14px;
  display: block;
}

/* ─── BUTTONS ─── */
.btn-primary {
  display: inline-block;
  background: var(--violet);
  color: var(--white);
  padding: 13px 26px;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.93rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--dur-base), transform var(--dur-fast);
}
.btn-primary:hover { background: var(--violet-dim); }
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { transform: translateY(-1px); }
}
.btn-primary:active { background: var(--accent-press); transform: translateY(0) scale(0.97); }
.btn-primary:focus-visible { outline: 2px solid var(--violet); outline-offset: 3px; }

.btn-ghost {
  display: inline-block;
  background: transparent;
  color: rgba(255, 255, 255, 0.75);
  padding: 13px 26px;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.93rem;
  font-weight: 400;
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  text-decoration: none;
  transition: border-color var(--dur-base), color var(--dur-base);
}
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.6); color: var(--white); }

/* ─── FOOTER ─── */
footer {
  background: var(--violet-950);
  color: rgba(255, 255, 255, 0.85);
  padding: 72px 40px 32px;
}

.footer-top {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-lockup {
  display: inline-flex;
  align-items: center;
}

.footer-lockup svg {
  height: 40px;
  width: auto;
  display: block;
}

.footer-tag {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 2px;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-head {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 14px;
}

.footer-cols a {
  display: block;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.88rem;
  text-decoration: none;
  margin-bottom: 8px;
  transition: color var(--dur-fast);
}

.footer-cols a:hover { color: #ffffff; }
.footer-cols a:focus-visible { outline: 2px solid var(--violet); outline-offset: 3px; border-radius: 4px; }

.footer-bottom {
  max-width: 1180px;
  margin: 32px auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  font-family: var(--font-mono);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur-fast);
}

.footer-bottom-links a:hover { color: rgba(255, 255, 255, 0.8); }
.footer-bottom-links a:focus-visible { outline: 2px solid var(--violet); outline-offset: 3px; border-radius: 4px; }

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-up { animation: fadeUp 0.3s var(--ease-out) both; }

/* Light link variant — for use on the dark hero */
.link-arrow-light {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--violet-light);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.link-arrow-light span {
  transition: transform var(--dur-base) var(--ease-out);
  display: inline-block;
}
@media (hover: hover) and (pointer: fine) {
  .link-arrow-light:hover span { transform: translateX(3px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  *, *::before, *::after {
    animation-iteration-count: 1 !important;
    animation-duration: var(--dur-fast) !important;
    transition-duration: var(--dur-fast) !important;
  }
  .btn-primary:hover,
  .link-arrow-light:hover span { transition-property: opacity, color, background-color, border-color; transform: none; }
  .animate-up { animation: none; }
}


/* ─── SANDWICH MENU ─── */
.sandwich {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: background var(--dur-base);
}

.sandwich:hover { background: var(--ink-50); }

.sandwich span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink-700);
  border-radius: 2px;
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast) ease;
  transform-origin: center;
}

.sandwich.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.sandwich.open span:nth-child(2) { opacity: 0; }
.sandwich.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--ink-100);
  padding: 16px 24px 24px;
  z-index: 99;
  flex-direction: column;
  gap: 4px;
  box-shadow: 0 8px 24px rgba(24, 21, 31, 0.08);
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  font-size: 1rem;
  font-weight: 400;
  color: var(--ink-500);
  text-decoration: none;
  padding: 12px 0;
  border-bottom: 1px solid var(--ink-100);
  transition: color var(--dur-fast);
}

.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--ink-900); }

.mobile-menu .mobile-cta {
  margin-top: 8px;
  background: var(--violet);
  color: var(--white) !important;
  padding: 13px 20px !important;
  border-radius: 10px;
  text-align: center;
  font-weight: 500;
  border-bottom: none !important;
}

.mobile-menu .mobile-cta:hover { background: var(--violet-dim); }

/* ─── RESPONSIVE ─── */
@media (max-width: 880px) {
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 680px) {
  nav { padding: 0 16px; }
  .nav-links { display: none; }
  .sandwich { display: flex; }
  footer { padding: 56px 24px 28px; }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 28px 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
}