/* ═══════════════════════════════════════════════════════════════════
   SellerVine — theme.css
   Load AFTER main.css. Adds:
     · Light + dark theme tokens (default follows prefers-color-scheme)
     · Motion tokens + prefers-reduced-motion global guard
     · Header/scroll enhancements, theme toggle, country selector,
       mobile drawer (all missing from the shipped site per audit)
   Never touches homepage particle effects — those stay owned by home.css
   ═══════════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────────────
   1. THEME TOKENS
   The dark values duplicate the existing :root so that when
   [data-theme="dark"] is applied nothing shifts. Light values are a
   deliberate warm-paper direction — NOT cream+terracotta — chosen to
   read as "morning report" against the dark theme's "night ops".
   ─────────────────────────────────────────────────────────────────── */

[data-theme="dark"] {
  --bg:          #04070F;
  --bg2:         #070B16;
  --surface:     #0B1120;
  --card:        #0F1729;
  --card2:       #131E30;
  --border:      rgba(255,255,255,0.07);
  --border2:     rgba(255,255,255,0.14);
  --white:       #F0F6FF;    /* semantic: foreground */
  --muted:       #6B7E9A;
  --muted2:      #8FA3BF;
  --amber:       #FF5C1A;
  --amber-l:     #FF7A3D;
  --amber-dim:   rgba(255,92,26,0.12);
  --amber-glow:  rgba(255,92,26,0.35);
  --blue:        #2563EB;
  --blue-l:      #4B8EFF;
  --blue-dim:    rgba(37,99,235,0.13);
  --blue-glow:   rgba(75,142,255,0.30);
  --green:       #0FD97C;
  --green-dim:   rgba(15,217,124,0.11);
  --yellow:      #FFCB47;
  --shadow:      0 24px 64px rgba(0,0,0,0.55);
  --shadow-sm:   0 8px 32px rgba(0,0,0,0.35);
  --nav-bg:      rgba(4,7,15,0.72);
  --nav-border:  rgba(255,255,255,0.06);
}

[data-theme="light"] {
  --bg:          #F7F5F0;    /* warm paper — NOT #F4F1EA cream */
  --bg2:         #EFEBE2;
  --surface:     #FFFFFF;
  --card:        #FFFFFF;
  --card2:       #F9F7F1;
  --border:      rgba(10,15,28,0.10);
  --border2:     rgba(10,15,28,0.18);
  --white:       #0A0F1C;    /* semantic: foreground — kept as --white for CSS-parity */
  --muted:       #5A6478;
  --muted2:      #43506A;
  --amber:       #D9430A;    /* deeper for light-bg contrast (WCAG AA on --bg) */
  --amber-l:     #FF5C1A;
  --amber-dim:   rgba(217,67,10,0.09);
  --amber-glow:  rgba(217,67,10,0.28);
  --blue:        #1D4ED8;
  --blue-l:      #2563EB;
  --blue-dim:    rgba(29,78,216,0.08);
  --blue-glow:   rgba(29,78,216,0.24);
  --green:       #0B8F52;
  --green-dim:   rgba(11,143,82,0.09);
  --yellow:      #B67200;
  --shadow:      0 24px 64px rgba(10,15,28,0.10);
  --shadow-sm:   0 8px 24px rgba(10,15,28,0.06);
  --nav-bg:      rgba(247,245,240,0.78);
  --nav-border:  rgba(10,15,28,0.08);
}

/* System default — if no attribute is set, honour OS preference */
:root:not([data-theme]) {
  --nav-bg:      rgba(4,7,15,0.72);
  --nav-border:  rgba(255,255,255,0.06);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --bg:#F7F5F0;--bg2:#EFEBE2;--surface:#FFFFFF;--card:#FFFFFF;--card2:#F9F7F1;
    --border:rgba(10,15,28,0.10);--border2:rgba(10,15,28,0.18);
    --white:#0A0F1C;--muted:#5A6478;--muted2:#43506A;
    --amber:#D9430A;--amber-l:#FF5C1A;--amber-dim:rgba(217,67,10,0.09);--amber-glow:rgba(217,67,10,0.28);
    --blue:#1D4ED8;--blue-l:#2563EB;--blue-dim:rgba(29,78,216,0.08);--blue-glow:rgba(29,78,216,0.24);
    --green:#0B8F52;--green-dim:rgba(11,143,82,0.09);--yellow:#B67200;
    --shadow:0 24px 64px rgba(10,15,28,0.10);--shadow-sm:0 8px 24px rgba(10,15,28,0.06);
    --nav-bg:rgba(247,245,240,0.78);--nav-border:rgba(10,15,28,0.08);
  }
}

/* ─────────────────────────────────────────────────────────────────────
   2. MOTION TOKENS
   ─────────────────────────────────────────────────────────────────── */
:root {
  --dur-fast:    140ms;
  --dur-mid:     260ms;
  --dur-slow:    460ms;
  --dur-hero:    680ms;
  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);        /* strong ease-out */
  --ease-in:     cubic-bezier(0.55, 0, 0.68, 0.19);
  --ease-io:     cubic-bezier(0.65, 0, 0.35, 1);        /* dramatic in-out */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);     /* subtle overshoot */
}

/* Theme transition — colour props only, never layout */
body,
.nav, .nav-inner, .nav-links a,
.svc-card, .loc-card, .metric-card, .result-card, .testi-card, .cta-box,
.btn, .pill, .faq-item, .proc-step, .form-group input, .form-group textarea {
  transition:
    background-color var(--dur-mid) var(--ease-out),
    border-color    var(--dur-mid) var(--ease-out),
    color           var(--dur-mid) var(--ease-out),
    box-shadow      var(--dur-mid) var(--ease-out);
}

/* ─────────────────────────────────────────────────────────────────────
   3. PREFERS-REDUCED-MOTION — global guardrail
   Kills transforms + parallax; keeps opacity fades at reduced duration.
   ─────────────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; filter: none !important; }
  .cursor-dot, .cursor-ring { display: none !important; }
  .home-orb, .parallax-layer { transform: none !important; }
  .btn-primary:hover, .btn-secondary:hover { transform: none !important; }
  .metric-card, .result-card, .testi-card { transform: none !important; }
  /* Preserve one small opacity fade so state changes are still perceptible */
  .theme-toggle-icon, .country-menu, .mobile-overlay {
    transition: opacity 120ms linear !important;
  }
}

/* ─────────────────────────────────────────────────────────────────────
   4. HEADER — evolves the existing .nav without breaking it
   ─────────────────────────────────────────────────────────────────── */
.nav {
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--dur-mid) var(--ease-out),
    border-color     var(--dur-mid) var(--ease-out),
    padding          var(--dur-mid) var(--ease-out),
    backdrop-filter  var(--dur-mid) var(--ease-out);
}
.nav.scrolled {
  background: var(--nav-bg);
  border-bottom-color: var(--nav-border);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
}

/* Header entrance — one-time on load */
@keyframes nav-drop {
  from { transform: translateY(-110%); opacity: 0; }
  to   { transform: translateY(0);     opacity: 1; }
}
.nav {
  animation: nav-drop var(--dur-hero) var(--ease-out) both;
}
@media (prefers-reduced-motion: reduce) {
  .nav { animation: none !important; }
}

/* Logo dot — the one signature flourish. First-paint pulse. */
.nav-logo { position: relative; }
.logo-dot {
  display: inline-block; width: 9px; height: 9px;
  background: var(--amber); border-radius: 50%;
  margin: 0 2px; vertical-align: middle;
  box-shadow: 0 0 12px var(--amber-glow);
  animation: logo-pulse 2200ms var(--ease-out) 400ms 2;
}
@keyframes logo-pulse {
  0%,100% { transform: scale(1);   box-shadow: 0 0 12px var(--amber-glow); }
  50%     { transform: scale(1.35); box-shadow: 0 0 20px var(--amber-glow); }
}

/* Nav links — underline swipe from left on hover */
.nav-links { display: flex; gap: 32px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  position: relative; padding: 8px 2px;
  color: var(--muted2); font-size: 0.92rem; font-weight: 500;
  text-decoration: none; letter-spacing: -0.005em;
}
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: 2px;
  width: 100%; height: 1.5px; background: var(--amber);
  transform: scaleX(0); transform-origin: right center;
  transition: transform var(--dur-mid) var(--ease-io);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1); transform-origin: left center;
}
.nav-links a.active { color: var(--white); }

/* Right cluster: country selector + theme toggle + CTA + hamburger */
.nav-right { display: flex; align-items: center; gap: 12px; }

/* ─────────────────────────────────────────────────────────────────────
   5. THEME TOGGLE — sun ↔ moon with rotation crossfade
   ─────────────────────────────────────────────────────────────────── */
.theme-toggle {
  position: relative; width: 40px; height: 40px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; overflow: hidden;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    border-color     var(--dur-fast) var(--ease-out),
    transform        var(--dur-fast) var(--ease-out);
}
[data-theme="light"] .theme-toggle { background: rgba(10,15,28,0.03); }
.theme-toggle:hover {
  background: var(--amber-dim); border-color: var(--amber);
  transform: translateY(-1px);
}
.theme-toggle:focus-visible {
  outline: 2px solid var(--amber); outline-offset: 2px;
}
.theme-toggle-icon {
  position: absolute; width: 18px; height: 18px;
  color: var(--white);
  transition:
    transform var(--dur-mid) var(--ease-spring),
    opacity   var(--dur-mid) var(--ease-out);
}
.theme-toggle-icon.sun  { opacity: 0; transform: rotate(-90deg) scale(0.4); }
.theme-toggle-icon.moon { opacity: 1; transform: rotate(0)      scale(1); }
[data-theme="light"] .theme-toggle-icon.sun  { opacity: 1; transform: rotate(0)     scale(1); }
[data-theme="light"] .theme-toggle-icon.moon { opacity: 0; transform: rotate(90deg) scale(0.4); }

/* ─────────────────────────────────────────────────────────────────────
   6. COUNTRY SELECTOR
   Regional grouping, staggered reveal, keyboard-nav visible focus.
   ─────────────────────────────────────────────────────────────────── */
.country-select { position: relative; }
.country-btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 40px; padding: 0 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--white); font-family: var(--body);
  font-size: 0.86rem; font-weight: 500;
  cursor: pointer;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    border-color     var(--dur-fast) var(--ease-out),
    transform        var(--dur-fast) var(--ease-out);
}
[data-theme="light"] .country-btn { background: rgba(10,15,28,0.03); }
.country-btn:hover  { background: var(--amber-dim); border-color: var(--amber); transform: translateY(-1px); }
.country-btn:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
.country-btn-flag { font-size: 1.05rem; line-height: 1; }
.country-btn-chevron {
  width: 12px; height: 12px; margin-left: 2px;
  transition: transform var(--dur-mid) var(--ease-spring);
}
.country-select[aria-expanded="true"] .country-btn-chevron { transform: rotate(180deg); }

.country-menu {
  position: absolute; top: calc(100% + 10px); right: 0;
  min-width: 340px; max-width: 92vw;
  max-height: min(70vh, 560px); overflow-y: auto;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  opacity: 0; visibility: hidden;
  transform: translateY(-8px) scale(0.98); transform-origin: top right;
  transition:
    opacity    var(--dur-mid) var(--ease-out),
    transform  var(--dur-mid) var(--ease-out),
    visibility 0s linear var(--dur-mid);
  z-index: 210;
}
.country-select[aria-expanded="true"] .country-menu {
  opacity: 1; visibility: visible;
  transform: translateY(0) scale(1);
  transition:
    opacity    var(--dur-mid) var(--ease-out),
    transform  var(--dur-mid) var(--ease-spring),
    visibility 0s linear 0s;
}
.country-menu-group + .country-menu-group { margin-top: 4px; }
.country-menu-label {
  display: block; padding: 12px 12px 6px;
  font-family: var(--body); font-size: 0.68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.11em;
  color: var(--muted);
}
.country-menu a {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 12px; border-radius: 8px;
  color: var(--white); font-size: 0.9rem; text-decoration: none;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    transform        var(--dur-fast) var(--ease-out);
  opacity: 0; transform: translateY(4px);
}
.country-select[aria-expanded="true"] .country-menu a {
  opacity: 1; transform: translateY(0);
  transition:
    opacity   var(--dur-mid) var(--ease-out),
    transform var(--dur-mid) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out);
}
/* Stagger — ~24 items, cap at 12 tiers so tail catches up */
.country-select[aria-expanded="true"] .country-menu a:nth-child(1)  { transition-delay: 30ms;  }
.country-select[aria-expanded="true"] .country-menu a:nth-child(2)  { transition-delay: 55ms;  }
.country-select[aria-expanded="true"] .country-menu a:nth-child(3)  { transition-delay: 80ms;  }
.country-select[aria-expanded="true"] .country-menu a:nth-child(4)  { transition-delay: 105ms; }
.country-select[aria-expanded="true"] .country-menu a:nth-child(5)  { transition-delay: 130ms; }
.country-select[aria-expanded="true"] .country-menu a:nth-child(6)  { transition-delay: 155ms; }
.country-select[aria-expanded="true"] .country-menu a:nth-child(7)  { transition-delay: 180ms; }
.country-select[aria-expanded="true"] .country-menu a:nth-child(8)  { transition-delay: 205ms; }
.country-select[aria-expanded="true"] .country-menu a:nth-child(n+9){ transition-delay: 220ms; }

.country-menu a:hover { background: var(--amber-dim); }
.country-menu a:focus-visible {
  outline: 2px solid var(--amber); outline-offset: -2px; background: var(--amber-dim);
}
.country-menu a[aria-current="page"] {
  background: var(--amber-dim); color: var(--amber);
}
.country-menu-flag { font-size: 1.15rem; line-height: 1; flex-shrink: 0; }
.country-menu-name { flex: 1; }
.country-menu-market {
  font-size: 0.72rem; color: var(--muted); font-family: var(--num);
  letter-spacing: 0.06em;
}

/* Backdrop when open */
.country-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0);
  opacity: 0; pointer-events: none; z-index: 205;
  transition: opacity var(--dur-mid) var(--ease-out);
}
.country-select[aria-expanded="true"] ~ .country-backdrop,
body:has(.country-select[aria-expanded="true"]) .country-backdrop {
  opacity: 1; pointer-events: auto; background: rgba(0,0,0,0.25);
}

/* ─────────────────────────────────────────────────────────────────────
   7. CTA — sheen sweep on hover
   ─────────────────────────────────────────────────────────────────── */
.nav-cta { position: relative; overflow: hidden; }
.nav-cta::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg,
    transparent 30%, rgba(255,255,255,0.28) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 720ms var(--ease-io);
  pointer-events: none;
}
.nav-cta:hover::before { transform: translateX(100%); }

/* ─────────────────────────────────────────────────────────────────────
   8. HAMBURGER — three lines → X morph
   ─────────────────────────────────────────────────────────────────── */
.hamburger {
  display: none; width: 40px; height: 40px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  position: relative;
  flex-direction: column; align-items: center; justify-content: center;
  gap: 5px;
}
[data-theme="light"] .hamburger { background: rgba(10,15,28,0.03); }
.hamburger span {
  display: block; width: 18px; height: 1.75px;
  background: var(--white); border-radius: 2px;
  transition:
    transform var(--dur-mid) var(--ease-spring),
    opacity   var(--dur-fast) var(--ease-out);
}
.hamburger.open span:nth-child(1) { transform: translateY(6.75px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: translateX(-6px); }
.hamburger.open span:nth-child(3) { transform: translateY(-6.75px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-links, .country-select, .nav-cta { display: none; }
  .hamburger { display: inline-flex; }
}

/* ─────────────────────────────────────────────────────────────────────
   9. MOBILE OVERLAY — slide-in drawer with staggered links
   ─────────────────────────────────────────────────────────────────── */
.mobile-overlay {
  position: fixed; inset: 0;
  background: var(--bg);
  opacity: 0; visibility: hidden;
  transform: translateX(100%);
  transition:
    opacity   var(--dur-mid) var(--ease-out),
    transform var(--dur-slow) var(--ease-io),
    visibility 0s linear var(--dur-slow);
  z-index: 300; overflow-y: auto;
  padding: 88px 24px 40px;
}
.mobile-overlay.open {
  opacity: 1; visibility: visible;
  transform: translateX(0);
  transition:
    opacity   var(--dur-mid) var(--ease-out),
    transform var(--dur-slow) var(--ease-io),
    visibility 0s linear 0s;
}
.mobile-overlay-inner { max-width: 460px; margin: 0 auto; }
.mobile-overlay-close {
  position: absolute; top: 22px; right: 20px;
  width: 44px; height: 44px; border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 22px; cursor: pointer;
}
[data-theme="light"] .mobile-overlay-close { background: rgba(10,15,28,0.03); }
.mobile-overlay-close:hover { background: var(--amber-dim); border-color: var(--amber); }

.mobile-overlay ul { list-style: none; margin: 0; padding: 0; }
.mobile-overlay li a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 4px;
  border-bottom: 1px solid var(--border);
  font-family: var(--head); font-size: 1.65rem; font-weight: 600;
  color: var(--white); text-decoration: none; letter-spacing: -0.02em;
  opacity: 0; transform: translateX(24px);
  transition:
    opacity   var(--dur-mid) var(--ease-out),
    transform var(--dur-mid) var(--ease-out),
    color     var(--dur-fast) var(--ease-out);
}
.mobile-overlay li a::after {
  content: '→'; opacity: 0.4; transition: transform var(--dur-fast) var(--ease-spring), opacity var(--dur-fast) var(--ease-out);
}
.mobile-overlay li a:hover { color: var(--amber); }
.mobile-overlay li a:hover::after { transform: translateX(6px); opacity: 1; }

.mobile-overlay.open li a { opacity: 1; transform: translateX(0); }
.mobile-overlay.open li:nth-child(1) a { transition-delay: 120ms; }
.mobile-overlay.open li:nth-child(2) a { transition-delay: 170ms; }
.mobile-overlay.open li:nth-child(3) a { transition-delay: 220ms; }
.mobile-overlay.open li:nth-child(4) a { transition-delay: 270ms; }
.mobile-overlay.open li:nth-child(5) a { transition-delay: 320ms; }
.mobile-overlay.open li:nth-child(6) a { transition-delay: 370ms; }

.mobile-overlay-cta {
  display: block; margin-top: 32px; padding: 18px;
  border-radius: var(--r);
  background: var(--amber); color: #FFFFFF;
  font-family: var(--body); font-weight: 700; font-size: 1rem;
  text-align: center; text-decoration: none;
  opacity: 0; transform: translateY(20px);
  transition:
    opacity   var(--dur-mid) var(--ease-out) 420ms,
    transform var(--dur-mid) var(--ease-out) 420ms,
    background-color var(--dur-fast) var(--ease-out);
}
.mobile-overlay.open .mobile-overlay-cta { opacity: 1; transform: translateY(0); }
.mobile-overlay-cta:hover { background: var(--amber-l); }

/* Regional groups inside mobile overlay */
.mobile-overlay-section {
  margin-top: 40px; padding-top: 24px;
  border-top: 1px solid var(--border);
}
.mobile-overlay-label {
  font-family: var(--body); font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--muted); margin-bottom: 12px; display: block;
}
.mobile-country-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px;
}
.mobile-country-grid a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 4px; font-size: 0.92rem;
  color: var(--muted2); text-decoration: none;
  border-bottom: none;
}
.mobile-country-grid a:hover { color: var(--amber); }
.mobile-country-grid a::after { content: none; }

/* ─────────────────────────────────────────────────────────────────────
   10. FOCUS-VISIBLE — visible keyboard focus everywhere
   ─────────────────────────────────────────────────────────────────── */
a:focus-visible, button:focus-visible,
input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--amber); outline-offset: 2px;
  border-radius: 4px;
}

/* ─────────────────────────────────────────────────────────────────────
   11. LIGHT-THEME COMPOSITION FIXES
   Places where dark-only assumptions in main.css need light-theme
   overrides so contrast stays WCAG AA.
   ─────────────────────────────────────────────────────────────────── */
[data-theme="light"] body { background: var(--bg); color: var(--white); }
[data-theme="light"] .btn-secondary {
  background: rgba(10,15,28,0.04);
  border-color: var(--border2); color: var(--white);
}
[data-theme="light"] .btn-secondary:hover { background: rgba(10,15,28,0.08); }
[data-theme="light"] .pill-amber { background: var(--amber-dim); color: var(--amber); }
[data-theme="light"] .pill-blue  { background: var(--blue-dim);  color: var(--blue); }
[data-theme="light"] .pill-green { background: var(--green-dim); color: var(--green); }
[data-theme="light"] ::-webkit-scrollbar-track { background: var(--bg2); }
[data-theme="light"] ::selection { background: var(--amber-dim); color: var(--amber); }
[data-theme="light"] .svc-card,
[data-theme="light"] .loc-card,
[data-theme="light"] .metric-card,
[data-theme="light"] .result-card,
[data-theme="light"] .testi-card,
[data-theme="light"] .cta-box {
  background: var(--card); border-color: var(--border);
  box-shadow: var(--shadow-sm);
}