/* ============================================================
   OfferWise Design System v3.0
   One font: Inter. Near-black. Clean.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── Tokens ── */
:root {
  --bg:        #0a0a0a;
  --bg-2:      #111111;
  --bg-card:   #161616;
  --bg-card-h: #1a1a1a;

  --text-1:  #f5f5f5;
  --text-2:  #a0a0a0;
  --text-3:  #666666;

  --accent:      #3b82f6;
  --accent-glow: rgba(59,130,246,0.15);
  --amber:       #f59e0b;
  --green:       #22c55e;
  --red:         #ef4444;

  --border:     rgba(255,255,255,0.06);
  --border-h:   rgba(255,255,255,0.12);
  --border-act: rgba(59,130,246,0.5);

  /* legacy aliases so old pages don't break */
  --bg-void:      var(--bg);
  --bg-base:      var(--bg);
  --bg-surface:   var(--bg-card);
  --bg-elevated:  #1a1a1a;
  --bg-overlay:   #1f1f1f;
  --border-dim:    var(--border);
  --border-subtle: rgba(255,255,255,0.08);
  --border-active: var(--border-act);
  --text-primary:   var(--text-1);
  --text-secondary: var(--text-2);
  --text-muted:     var(--text-3);
  --text-ghost:     #444;
  --blue:        var(--accent);
  --blue-bright: #60a5fa;
  --blue-dim:    rgba(59,130,246,0.1);
  --amber-bright:#fcd34d;
  --amber-dim:   rgba(245,158,11,0.1);
  --green-dim:   rgba(34,197,94,0.1);
  --red-dim:     rgba(239,68,68,0.1);
  --purple:      #8b5cf6;
  --font-display: 'Inter', sans-serif;
  --font-ui:      'Inter', sans-serif;

  /* type scale */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;
  --text-7xl:  4.5rem;

  /* spacing */
  --space-1: .25rem;  --space-2: .5rem;   --space-3: .75rem;
  --space-4: 1rem;    --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem;    --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;   --space-20: 5rem;   --space-24: 6rem;

  /* radius */
  --radius-sm: 4px;  --radius-md: 8px;   --radius-lg: 12px;
  --radius-xl: 16px; --radius-2xl: 20px; --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.6);
  --shadow-md: 0 4px 16px rgba(0,0,0,.7);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.8);
  --shadow-blue:  0 0 24px rgba(59,130,246,.2);
  --shadow-amber: 0 0 24px rgba(245,158,11,.2);

  --ease-out:    cubic-bezier(0.16,1,0.3,1);
  --ease-spring: cubic-bezier(0.34,1.56,0.64,1);

  --w-sm: 640px; --w-md: 768px; --w-lg: 1024px;
  --w-xl: 1200px; --w-2xl: 1400px;
}

/* ── Reset ── */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: var(--text-base);
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}
img,video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input,textarea,select { font-family: inherit; }

/* ── Nav ── */
.ow-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.ow-nav__inner {
  max-width: var(--w-xl); margin: 0 auto;
  padding: 0 2rem; height: 60px;
  display: flex; align-items: center; justify-content: space-between;
}

/* Logo — clean wordmark */
.ow-nav__logo {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-1);
  text-decoration: none;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.ow-nav__logo .wise {
  background: linear-gradient(90deg, #f97316, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ow-nav__logo .logo-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: linear-gradient(90deg, #f97316, #f59e0b);
  box-shadow: 0 0 8px #f97316;
  animation: dot-pulse 2.5s infinite;
}
@keyframes dot-pulse {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.35; }
}

.ow-nav__links {
  display: flex; align-items: center; gap: 0;
  list-style: none;
}
.ow-nav__links a {
  display: block; padding: .5rem .875rem;
  font-size: var(--text-sm); font-weight: 500;
  color: var(--text-2); white-space: nowrap;
  border-radius: var(--radius-md);
  transition: color .15s;
}
.ow-nav__links a:hover { color: var(--text-1); }
.ow-nav__links a.active { color: var(--text-1); }
.ow-nav__links .free-link a { color: var(--amber); }
.ow-nav__links .free-link a:hover { color: var(--amber-bright); }

.ow-nav__actions { display: flex; align-items: center; gap: .75rem; }
.ow-nav__login {
  font-size: var(--text-sm); font-weight: 500;
  color: var(--text-2); padding: .5rem .75rem;
  border-radius: var(--radius-md); transition: color .15s;
}
.ow-nav__login:hover { color: var(--text-1); }

/* Hamburger */
.ow-nav__hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: .5rem; cursor: pointer;
}
.ow-nav__hamburger span {
  display: block; width: 20px; height: 2px;
  background: var(--text-2); border-radius: 2px;
  transition: transform .25s var(--ease-out), opacity .25s, background .15s;
}
.ow-nav__hamburger:hover span { background: var(--text-1); }
.ow-nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.ow-nav__hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.ow-nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.ow-nav__drawer {
  display: none; flex-direction: column; gap: 2px;
  padding: var(--space-4) var(--space-6) var(--space-6);
  border-top: 1px solid var(--border);
  background: rgba(10,10,10,.97);
}
.ow-nav__drawer a {
  display: block; padding: .75rem 1rem;
  font-size: var(--text-base); font-weight: 500;
  color: var(--text-2); border-radius: var(--radius-md);
  transition: color .15s, background .15s;
}
.ow-nav__drawer a:hover { color: var(--text-1); background: var(--bg-card); }
.ow-nav__drawer .drawer-cta { margin-top: var(--space-4); }

@media (max-width: 768px) {
  .ow-nav__links { display: none; }
  .ow-nav__actions .btn:not(.btn-cta) { display: none; }
  .ow-nav__hamburger { display: flex; }
  .ow-nav__drawer.open { display: flex; }
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem; padding: .625rem 1.25rem;
  font-family: 'Inter', sans-serif; font-size: var(--text-sm);
  font-weight: 600; line-height: 1;
  border-radius: var(--radius-full); border: 1px solid transparent;
  cursor: pointer; white-space: nowrap; text-decoration: none;
  transition: transform .15s var(--ease-out), box-shadow .15s, background .15s, border-color .15s;
}
.btn:active { transform: scale(0.97) !important; }

.btn-primary {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.btn-primary:hover {
  background: #2563eb; border-color: #2563eb;
  transform: translateY(-1px); box-shadow: 0 4px 16px rgba(59,130,246,.3);
}

.btn-cta {
  background: var(--accent); color: #fff; font-weight: 700;
}
.btn-cta:hover {
  background: #2563eb; transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(59,130,246,.3);
}

.btn-ghost {
  background: transparent; color: var(--text-1);
  border-color: var(--border-h);
}
.btn-ghost:hover {
  border-color: rgba(255,255,255,.25); background: rgba(255,255,255,.04);
}

.btn-sm  { padding: .4rem .9rem; font-size: var(--text-xs); }
.btn-lg  { padding: .75rem 1.5rem; font-size: var(--text-base); }
.btn-xl  { padding: .875rem 2rem; font-size: var(--text-base); border-radius: var(--radius-full); }
.btn-block { width: 100%; }

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}
.card-hover {
  transition: transform .2s var(--ease-out), border-color .2s, box-shadow .2s;
}
.card-hover:hover {
  transform: translateY(-2px);
  border-color: var(--border-h);
}

/* ── Form ── */
.form-label {
  display: block; font-size: var(--text-sm); font-weight: 600;
  color: var(--text-2); margin-bottom: var(--space-2);
}
.form-input {
  display: block; width: 100%; padding: .75rem 1rem;
  background: var(--bg-card-h); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md); color: var(--text-1);
  font-family: 'Inter', sans-serif; font-size: var(--text-base);
  outline: none; transition: border-color .15s, box-shadow .15s;
}
.form-input::placeholder { color: var(--text-3); }
.form-input:focus {
  border-color: var(--border-act);
  box-shadow: 0 0 0 3px rgba(59,130,246,.1);
}

/* ── Badges ── */
.badge {
  display: inline-flex; align-items: center; gap: 3px;
  padding: .2rem .6rem; font-size: .6875rem; font-weight: 700;
  letter-spacing: .05em; text-transform: uppercase;
  border-radius: var(--radius-full);
}
.badge-blue   { background: rgba(59,130,246,.1);  color: #60a5fa; border: 1px solid rgba(59,130,246,.2); }
.badge-amber  { background: rgba(245,158,11,.1);  color: #fcd34d; border: 1px solid rgba(245,158,11,.2); }
.badge-green  { background: rgba(34,197,94,.1);   color: #4ade80; border: 1px solid rgba(34,197,94,.2); }
.badge-red    { background: rgba(239,68,68,.1);   color: #fca5a5; border: 1px solid rgba(239,68,68,.2); }
.badge-purple { background: rgba(139,92,246,.1);  color: #c4b5fd; border: 1px solid rgba(139,92,246,.2); }

/* ── Section helpers ── */
.section-label {
  font-size: .75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .15em;
  color: var(--accent); margin-bottom: 1rem;
}
/* alias */
.section-eyebrow { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .15em; color: var(--accent); margin-bottom: 1rem; }

/* ── Scroll-reveal ── */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity .65s var(--ease-out), transform .65s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* ── Spinner ── */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,.15);
  border-top-color: currentColor; border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Footer ── */
.ow-footer {
  border-top: 1px solid var(--border);
  padding: var(--space-10) 2rem;
  color: var(--text-3); font-size: var(--text-sm);
}
.ow-footer__inner {
  max-width: var(--w-xl); margin: 0 auto;
  display: flex; flex-direction: column;
  align-items: center; gap: var(--space-4); text-align: center;
}
.ow-footer__logo {
  font-size: 1.125rem; font-weight: 700; letter-spacing: -.03em;
  color: var(--text-1);
}
.ow-footer__links {
  display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: center;
}
.ow-footer__links a { color: var(--text-3); transition: color .15s; }
.ow-footer__links a:hover { color: var(--text-2); }

/* ── Utility ── */
.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;
}
.container {
  max-width: var(--w-xl); margin: 0 auto; padding: 0 2rem;
}
.gradient-text {
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}