/* ═══════════════════════════════════════════════════════════════
   TehranPay V3 — Shared Base CSS (day / night themed)
   Loaded ONLY on V3-redesign pages (landing, gift-card catalog,
   gift-card detail). The older V2 pages keep using v2-base.css —
   do NOT merge the two; they intentionally diverge (V3 adds the
   light theme, the 3-column navbar with theme toggle, and the
   footer-top/footer-cols layout).

   Font URLs use relative paths from static/css/ → static/fonts/ and
   static/vendor/. ManifestStaticFilesStorage rewrites these to hashed
   URLs at collectstatic time. Do not use {% static %} here.

   Theme: <html data-theme="night"> (default) or "day". An inline head
   script applies the saved theme before paint (anti-FOUC). v3-base.js
   wires the toggle + mobile drawer + aurora pause.
   ═══════════════════════════════════════════════════════════════ */

/* ── 1. Fonts ──────────────────────────────────────────────────── */
@font-face{font-family:'Peyda';font-style:normal;font-weight:400;font-display:swap;
  src:url("../fonts/peyda/PeydaWeb-Regular.4b0bde9be1f8.woff2") format('woff2')}
@font-face{font-family:'Peyda';font-style:normal;font-weight:500;font-display:swap;
  src:url("../fonts/peyda/PeydaWeb-Medium.59438bad782b.woff2") format('woff2')}
@font-face{font-family:'Peyda';font-style:normal;font-weight:600;font-display:swap;
  src:url("../fonts/peyda/PeydaWeb-SemiBold.414585357fce.woff2") format('woff2')}
@font-face{font-family:'Peyda';font-style:normal;font-weight:700;font-display:swap;
  src:url("../fonts/peyda/PeydaWeb-Bold.72c9ef7e2207.woff2") format('woff2')}
@font-face{font-family:'Peyda';font-style:normal;font-weight:800;font-display:swap;
  src:url("../fonts/peyda/PeydaWeb-ExtraBold.344ed9c1c76b.woff2") format('woff2')}
@font-face{font-family:'Damavand';font-style:normal;font-weight:800;font-display:swap;
  src:url("../fonts/damavand/Damavand-ExtraBold.f3503d8b686d.woff2") format('woff2')}
@font-face{font-family:'Vazirmatn';font-style:normal;font-weight:400;font-display:swap;
  src:url("../vendor/vazirmatn/fonts/webfonts/Vazirmatn-Regular.cdc140628f11.woff2") format('woff2')}

/* ── 2. Design tokens ──────────────────────────────────────────── */
:root{
  --bg:#0A0B12;
  --card:#12141C;
  --card-glass:rgba(18,22,32,.6);
  --border:rgba(255,255,255,.07);
  --border-strong:rgba(255,255,255,.14);
  --accent:#8b5cf6;
  --accent2:#6366f1;
  --accent3:#f472b6;
  --grad:linear-gradient(135deg,#8b5cf6,#6366f1);
  --grad-hot:linear-gradient(115deg,#f472b6 0%,#c4b5fd 100%);
  --fg1:#f1f5f9;
  --fg2:#94a3b8;
  --fg3:#475569;
  --success:#10b981;
  --warning:#f59e0b;
  --danger:#ef4444;
  --r:18px;
  /* shared semantic tokens (flip in day mode) */
  --surface:#12141C;
  --border-2:rgba(255,255,255,.12);
  --accent-soft:rgba(139,92,246,.14);
  --accent-strong:#a78bfa;
  --ink-2:#94a3b8;
  --ink-3:#475569;
  --bg-warm:#0d0f17;
  --lavender:#10121b;
  --shadow-sm:0 1px 2px rgba(0,0,0,.3);
  --shadow-card:0 18px 44px rgba(0,0,0,.5);
  --ease:cubic-bezier(.22,1,.36,1);
  --fs-xs:  clamp(0.72rem,0.68rem + 0.18vw,0.80rem);
  --fs-sm:  clamp(0.80rem,0.74rem + 0.28vw,0.92rem);
  --fs-base:clamp(0.88rem,0.81rem + 0.34vw,1.02rem);
  --fs-md:  clamp(0.95rem,0.86rem + 0.40vw,1.10rem);
  --fs-lg:  clamp(1.05rem,0.92rem + 0.62vw,1.28rem);
  --fs-xl:  clamp(1.20rem,0.98rem + 1.05vw,1.60rem);
  --fs-2xl: clamp(1.55rem,1.20rem + 1.70vw,2.50rem);
  --fs-3xl: clamp(2.00rem,1.50rem + 2.40vw,3.10rem);
}

/* ── Day (light) theme — opt-in via data-theme="day" ──────────── */
[data-theme="day"]{
  --bg:#FAF8FF;
  --card:#FFFFFF;
  --surface:#FFFFFF;
  --card-glass:rgba(255,255,255,.78);
  --lavender:#F1ECFF;
  --border:#E1D7EE;
  --border-strong:#D4C9E8;
  --border-2:#D4C9E8;
  --accent:#7C3AED;
  --accent2:#9B6BFF;
  --accent3:#EC4899;
  --accent-soft:#EDE6FE;
  --accent-strong:#7C3AED;
  --grad:linear-gradient(135deg,#7C3AED,#9B6BFF);
  --grad-hot:linear-gradient(115deg,#7C3AED 0%,#EC4899 100%);
  --fg1:#171124;
  --fg2:#443C57;
  --fg3:#645A75;
  --ink-2:#443C57;
  --ink-3:#645A75;
  --bg-warm:#F4EFE7;
  --shadow-sm:0 1px 2px rgba(28,20,46,.05),0 4px 12px rgba(28,20,46,.06);
  --shadow-card:0 12px 30px rgba(60,40,120,.14);
  color-scheme:light;
}

/* ── 3. Base reset ─────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  font-family:'Peyda','Vazirmatn',system-ui,Tahoma,sans-serif;
  background:var(--bg);color:var(--fg1);
  direction:rtl;overflow-x:hidden;line-height:1.7;min-height:100vh;
  transition:background .3s var(--ease),color .3s var(--ease);
}
.display-font{font-family:'Damavand','Peyda','Vazirmatn',system-ui,sans-serif;letter-spacing:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none}
img{display:block;max-width:100%}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
@media(max-width:600px){.container{padding:0 20px}}

/* ── 4. Aurora background ──────────────────────────────────────── */
@keyframes aurora-1{
  0%,100%{transform:translate(0,0) scale(1)}
  33%{transform:translate(80px,-60px) scale(1.15)}
  66%{transform:translate(-50px,40px) scale(.95)}
}
@keyframes aurora-2{
  0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(-60px,80px) scale(1.1)}
}
@keyframes aurora-3{
  0%,100%{transform:translate(0,0) scale(1)}
  40%{transform:translate(70px,40px) scale(1.08)}
  80%{transform:translate(-40px,-50px) scale(.92)}
}
@keyframes aurora-4{
  0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(50px,-70px) scale(1.12)}
}
@keyframes grain-move{
  0%,100%{transform:translate(0,0)}
  20%{transform:translate(-2%,-3%)}
  40%{transform:translate(-4%,2%)}
  60%{transform:translate(2%,-1%)}
  80%{transform:translate(3%,3%)}
}
.aurora-layer{
  position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;
  transform:translate3d(0,0,0);
  -webkit-backface-visibility:hidden;backface-visibility:hidden;
}
.aurora{
  position:absolute;border-radius:50%;
  filter:blur(90px);
  mix-blend-mode:screen;
  will-change:transform;
  transform:translateZ(0);
}
.grain{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  background-repeat:repeat;background-size:256px 256px;
  opacity:.025;
  animation:grain-move 8s steps(1) infinite;
  mix-blend-mode:overlay;
}
/* Aurora → soft multiply wash on light; grain → multiply */
[data-theme="day"] .aurora{mix-blend-mode:multiply;opacity:.10!important;filter:blur(110px)}
[data-theme="day"] .grain{mix-blend-mode:multiply;opacity:.018}

/* ── 5. Navbar (3-column grid · centered links · theme toggle + login) ── */
.nav-wrap{position:sticky;top:0;z-index:100;background:rgba(11,7,23,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border);transition:background .3s var(--ease),border-color .3s var(--ease)}
[data-theme="day"] .nav-wrap{background:rgba(250,248,255,.82)}
.nav{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;height:70px}
.nav-brand{display:flex;align-items:center;gap:10px;flex-shrink:0;justify-self:start}
.nav-logo{height:30px;width:auto;display:block}
.nav-links{
  justify-self:center;display:flex;align-items:center;gap:2px;
  height:36px;padding:3px;
  background:var(--surface);border:1px solid var(--border-strong);border-radius:999px;
  transition:background .3s var(--ease),border-color .3s var(--ease);
}
[data-theme="day"] .nav-links{background:#fff;border-color:var(--border-2);box-shadow:var(--shadow-sm)}
.nav-links a{
  display:inline-flex;align-items:center;height:100%;
  padding:0 14px;border-radius:999px;
  font-size:.85rem;font-weight:600;color:var(--fg2);
  transition:color .15s,background .15s;
}
.nav-links a:hover{color:var(--fg1);background:var(--accent-soft)}
.nav-links a.active{color:#fff;background:var(--grad);box-shadow:0 4px 12px rgba(124,92,252,.3)}
.nav-right{display:flex;align-items:center;gap:10px;justify-self:end}
.nav-login{
  display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 15px;
  font-size:.85rem;font-weight:700;color:var(--fg1);
  border:1px solid var(--border-strong);border-radius:999px;background:var(--surface);
  transition:border-color .15s,color .15s,background .3s var(--ease);
}
.nav-login:hover{border-color:var(--accent);color:var(--accent-strong)}
.nav-login svg{width:15px;height:15px}
[data-theme="day"] .nav-login{background:#fff;border-color:var(--border-2);box-shadow:var(--shadow-sm)}
/* Checkout back-to-plans pill (rendered instead of login when back_url is set) */
.nav-plans{
  display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 15px;
  font-size:.85rem;font-weight:700;color:var(--fg1);
  border:1px solid var(--border-strong);border-radius:999px;background:var(--surface);
  transition:border-color .15s,color .15s,background .3s var(--ease);
}
.nav-plans:hover{border-color:var(--accent);color:var(--accent-strong)}
.nav-plans svg{width:15px;height:15px}
[data-theme="day"] .nav-plans{background:#fff;border-color:var(--border-2);box-shadow:var(--shadow-sm)}
.nav-plans-short{display:none}
.nav-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--border-strong);border-radius:11px;color:var(--fg1);cursor:pointer;
}
[data-theme="day"] .nav-toggle{border-color:var(--border-2);box-shadow:var(--shadow-sm)}
.nav-toggle svg{width:20px;height:20px}
.nav-toggle .ic-close{display:none}
body.nav-open .nav-toggle .ic-open{display:none}
body.nav-open .nav-toggle .ic-close{display:block}

/* theme toggle — sliding pill (day = sun on right, night = moon on left) */
.theme-toggle{
  position:relative;flex-shrink:0;width:64px;height:32px;padding:4px;
  border-radius:999px;direction:ltr;cursor:pointer;
  background:#fff;border:1px solid var(--border-2);
  transition:background .3s var(--ease),border-color .3s var(--ease);
}
[data-theme="night"] .theme-toggle{background:#09060f;border-color:rgba(255,255,255,.12)}
.theme-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.tt-knob{
  position:absolute;top:4px;left:4px;z-index:2;width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;background:#e5e7eb;transform:translateX(32px);
  box-shadow:0 1px 3px rgba(0,0,0,.22);
  transition:transform .3s var(--ease),background .3s var(--ease);
}
[data-theme="night"] .tt-knob{background:#27272a;transform:translateX(0)}
.tt-knob svg{width:15px;height:15px}
.tt-knob .tt-ic-sun{display:block;color:#374151}
.tt-knob .tt-ic-moon{display:none;color:#fff}
[data-theme="night"] .tt-knob .tt-ic-sun{display:none}
[data-theme="night"] .tt-knob .tt-ic-moon{display:block}
.tt-rest{position:absolute;top:0;bottom:0;left:4px;width:24px;z-index:1;display:grid;place-items:center}
[data-theme="night"] .tt-rest{left:auto;right:4px}
.tt-rest svg{width:15px;height:15px}
.tt-rest .tt-ic-moon{display:block;color:#9ca3af}
.tt-rest .tt-ic-sun{display:none;color:#6b7280}
[data-theme="night"] .tt-rest .tt-ic-moon{display:none}
[data-theme="night"] .tt-rest .tt-ic-sun{display:block}

/* mobile drawer */
.nav-backdrop{position:fixed;inset:0;z-index:90;background:rgba(0,0,0,.5);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}
body.nav-open .nav-backdrop{opacity:1;visibility:visible}
body.nav-open{overflow:hidden}   /* scroll lock while the drawer is open */
.nav-drawer{
  position:fixed;top:0;left:0;bottom:0;width:min(86vw,340px);z-index:95;
  background:var(--bg);border-right:1px solid var(--border);
  box-shadow:14px 0 44px rgba(0,0,0,.42);
  transform:translateX(-100%);transition:transform .28s var(--ease);
  padding:max(16px,env(safe-area-inset-top)) 16px max(18px,env(safe-area-inset-bottom));
  display:flex;flex-direction:column;overflow-y:auto;-webkit-overflow-scrolling:touch;
}
[data-theme="day"] .nav-drawer{box-shadow:14px 0 44px rgba(15,12,30,.16)}
body.nav-open .nav-drawer{transform:translateX(0)}
.nav-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;padding-bottom:18px;border-bottom:1px solid var(--border)}
.nav-drawer-head img{height:28px}
.nav-drawer-close{width:40px;height:40px;border-radius:11px;background:var(--surface);border:1px solid var(--border-strong);display:grid;place-items:center;color:var(--fg1);cursor:pointer}
[data-theme="day"] .nav-drawer-close{border-color:var(--border-2)}
.nav-drawer-close svg{width:18px;height:18px}
/* Drawer CTA block (top): primary buy + secondary auth */
.nav-drawer-cta{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.nav-drawer-buy,.nav-drawer-secondary{
  display:flex;align-items:center;justify-content:center;gap:9px;min-height:50px;
  border-radius:14px;font-weight:700;font-size:1rem;
  transition:transform .15s var(--ease),box-shadow .2s,border-color .15s,background .2s;
}
.nav-drawer-buy{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(124,92,252,.34)}
.nav-drawer-buy svg{width:19px;height:19px}
.nav-drawer-buy:active{transform:scale(.98)}
.nav-drawer-secondary{min-height:48px;font-weight:600;color:var(--fg1);background:var(--surface);border:1.5px solid var(--border-strong)}
[data-theme="day"] .nav-drawer-secondary{background:#fff;border-color:var(--border-2)}
.nav-drawer-secondary svg{width:18px;height:18px;color:var(--accent-strong)}
.nav-drawer-secondary:active{transform:scale(.98)}

/* Drawer nav links */
.nav-drawer-nav{display:flex;flex-direction:column;gap:3px}
.nav-drawer-nav a{display:flex;align-items:center;gap:12px;min-height:48px;padding:6px 12px;border-radius:12px;font-size:.96rem;font-weight:600;color:var(--fg2);transition:background .15s,color .15s}
.nav-drawer-nav a:hover,.nav-drawer-nav a.active{background:var(--accent-soft);color:var(--accent-strong)}
.nav-drawer-ic{width:34px;height:34px;border-radius:10px;background:var(--surface);border:1px solid var(--border-strong);display:grid;place-items:center;color:var(--accent-strong);flex-shrink:0}
[data-theme="day"] .nav-drawer-ic{border-color:var(--border-2)}
.nav-drawer-ic svg{width:16px;height:16px}

/* Drawer theme toggle — compact row pinned to the bottom */
.nav-drawer-theme{
  margin-top:auto;width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:52px;padding:8px 14px;border-radius:14px;
  background:var(--surface);border:1px solid var(--border-strong);
  color:var(--fg1);font-weight:600;font-size:.95rem;cursor:pointer;font-family:inherit;
}
[data-theme="day"] .nav-drawer-theme{background:#fff;border-color:var(--border-2)}
.ndt-label{display:flex;align-items:center;gap:11px}
.ndt-label svg{width:19px;height:19px;color:var(--accent-strong)}
.ndt-ic-sun,.ndt-text-day{display:none}
[data-theme="day"] .nav-drawer-theme .ndt-ic-moon{display:none}
[data-theme="day"] .nav-drawer-theme .ndt-ic-sun{display:block}
[data-theme="day"] .nav-drawer-theme .ndt-text-night{display:none}
[data-theme="day"] .nav-drawer-theme .ndt-text-day{display:inline}
.ndt-switch{position:relative;direction:ltr;width:46px;height:26px;flex-shrink:0;border-radius:999px;background:var(--border-strong);transition:background .25s var(--ease)}
[data-theme="day"] .ndt-switch{background:var(--accent)}
.ndt-knob{position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.32);transition:transform .25s var(--ease)}
[data-theme="day"] .ndt-knob{transform:translateX(20px)}
@media (min-width:961px){.nav-backdrop,.nav-drawer{display:none}}
@media (max-width:960px){
  /* Mobile = one unified frosted header bar: logo (right) + ghost hamburger (left).
     The wide theme-toggle pill + login move into the drawer; nothing floats between. */
  .nav-links{display:none}
  .nav-login{display:none}
  .nav-right .theme-toggle{display:none}
  .nav-toggle{display:inline-flex}

  .nav-wrap{padding-top:env(safe-area-inset-top)}
  .nav{display:flex;justify-content:space-between;align-items:center;gap:8px;height:64px;transition:height .25s var(--ease)}
  .nav-logo{height:28px}
  .nav-right{gap:4px}

  /* Ghost hamburger — no card, no border, no shadow */
  .nav-toggle{width:44px;height:44px;border:none;background:transparent;box-shadow:none;border-radius:12px;color:var(--fg1)}
  [data-theme="day"] .nav-toggle{border:none;box-shadow:none;background:transparent}
  .nav-toggle:active{background:var(--accent-soft)}

  /* Checkout back-pill (only when back_url set) → compact, short label */
  .nav-plans{height:40px;padding:0 12px;font-size:.82rem}
  .nav-plans-full{display:none}
  .nav-plans-short{display:inline}

  /* Condense on scroll: denser bar + stronger frosted glass */
  .nav-wrap.scrolled{background:rgba(11,7,23,.94)}
  [data-theme="day"] .nav-wrap.scrolled{background:rgba(250,248,255,.95);box-shadow:0 1px 0 var(--border),0 8px 24px rgba(15,12,30,.07)}
  .nav-wrap.scrolled .nav{height:54px}
}

/* ── 6. Footer ─────────────────────────────────────────────────── */
.footer{padding:64px 0 32px;background:rgba(0,0,0,.35);position:relative;z-index:2}
[data-theme="day"] .footer{background:var(--bg-warm)}
.footer::before{
  content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:34%;max-width:520px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(139,92,246,.55),transparent);
  filter:blur(.3px);
}
.footer-top{display:grid;grid-template-columns:1fr 2.7fr;gap:40px;align-items:start;padding-bottom:40px;margin-bottom:28px;border-bottom:1px solid var(--border)}
[data-theme="day"] .footer-top{border-bottom-color:var(--border)}
.footer-brand{display:flex;flex-direction:column;gap:16px;max-width:300px}
.footer-brand-row{display:flex;align-items:center;gap:11px}
.footer-mark{width:38px;height:38px;border-radius:11px;background:rgba(255,255,255,.05);border:1px solid var(--border-strong);display:grid;place-items:center;flex-shrink:0}
[data-theme="day"] .footer-mark{background:#fff;border-color:var(--border-strong);box-shadow:var(--shadow-sm)}
.footer-mark img{width:24px;height:24px;object-fit:contain;display:block}
.footer-wordmark{font-family:'Damavand','Peyda','Vazirmatn',system-ui,sans-serif;font-size:1.25rem;font-weight:800;color:var(--fg1);letter-spacing:-.01em}
.footer-tagline{font-size:.85rem;color:var(--fg2);line-height:1.8}
.footer-cols{display:grid;grid-template-columns:repeat(5,1fr);gap:28px}
.footer-desc{font-size:.92rem;color:var(--fg2);line-height:1.85;max-width:300px;margin-bottom:22px}
.footer-socials{display:flex;gap:10px;flex-wrap:wrap}
.footer-social{display:inline-flex;align-items:center;justify-content:center;color:var(--fg2);transition:color .2s,transform .2s}
.footer-social-icon{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);
  border-radius:12px;transition:background .2s,border-color .2s;
}
[data-theme="day"] .footer-social-icon{background:#fff;border-color:var(--border)}
.footer-social-icon svg{width:18px;height:18px}
.footer-social-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.footer-link-ic{display:inline-flex;width:16px;height:16px;flex-shrink:0;color:var(--fg3);transition:color .18s}
.footer-link-ic svg{width:16px;height:16px}
.footer-links a:hover .footer-link-ic{color:var(--accent-strong)}
.footer-social:hover{transform:translateY(-2px);color:#c4b5fd}
.footer-social:hover .footer-social-icon{background:rgba(139,92,246,.14);border-color:rgba(139,92,246,.4)}
.footer-col-title{font-size:.8rem;font-weight:700;color:var(--fg1);margin-bottom:18px;letter-spacing:.01em}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:.875rem;color:var(--fg2);transition:color .18s;display:inline-flex;align-items:center;gap:8px}
.footer-links a:hover{color:var(--fg1)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:8px;flex-wrap:wrap;gap:12px}
.footer-copy{font-size:.78rem;color:var(--fg3)}
.footer-pay{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
@media(max-width:768px){
  .footer-top{grid-template-columns:1fr;gap:36px}
  .footer-cols{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{max-width:none}
}
@media(max-width:480px){
  .footer-cols{grid-template-columns:1fr 1fr}
  .footer{padding:52px 0 26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
}

/* ── 7. Shared utilities ───────────────────────────────────────── */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:100px;
  background:var(--grad);color:#fff;
  font-size:var(--fs-base);font-weight:700;
  border:none;cursor:pointer;font-family:inherit;
  transition:opacity .2s,transform .2s,box-shadow .2s;
  box-shadow:0 4px 20px rgba(139,92,246,.35);
}
.btn-primary:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 8px 28px rgba(139,92,246,.45)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:100px;
  background:transparent;color:var(--fg2);
  border:1px solid rgba(255,255,255,.12);
  font-size:var(--fs-sm);font-weight:600;
  cursor:pointer;font-family:inherit;
  transition:color .18s,border-color .18s,background .18s;
}
.btn-ghost:hover{color:var(--fg1);border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.04)}
[data-theme="day"] .btn-ghost{color:var(--fg1);background:#fff;border-color:var(--border-2);box-shadow:var(--shadow-sm)}
[data-theme="day"] .btn-ghost:hover{color:var(--accent-strong);border-color:var(--accent);background:#fff}
.section-eyebrow{
  font-size:.78rem;font-weight:700;
  color:#a78bfa;letter-spacing:.06em;
  margin-bottom:14px;display:block;
}
[data-theme="day"] .section-eyebrow{color:var(--accent-strong)}

/* ── 8. Production mobile pass ─────────────────────────────────── */
@media(max-width:768px){
  .aurora{
    animation:none!important;filter:blur(42px)!important;
    opacity:.18!important;
    mix-blend-mode:normal!important;
    will-change:auto!important;
  }
  .aurora:nth-child(n+3){display:none!important}
  .nav-wrap,.footer{
    backdrop-filter:blur(12px)!important;
    -webkit-backdrop-filter:blur(12px)!important;
  }
}
@media(max-width:480px){
  .aurora-layer{display:none!important}
  .grain{opacity:.018!important}
  body::before{
    content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
    background:
      radial-gradient(60vw 50vh at 18% 12%,rgba(79,70,229,.16),transparent 70%),
      radial-gradient(55vw 40vh at 82% 8%,rgba(37,99,235,.10),transparent 70%),
      linear-gradient(180deg,#0A0B12 0%,#0d1018 50%,#0A0B12 100%);
  }
  [data-theme="day"] body::before{
    background:
      radial-gradient(60vw 50vh at 18% 12%,rgba(124,92,252,.10),transparent 70%),
      radial-gradient(55vw 40vh at 82% 8%,rgba(236,72,153,.07),transparent 70%),
      linear-gradient(180deg,#FAF8FF 0%,#F4EFE7 50%,#FAF8FF 100%)!important;
  }
  html,body{max-width:100%;width:100%;overflow-x:clip}
  .container{max-width:calc(100vw - 28px)!important;width:100%!important;margin-inline:auto!important}
}
@media(max-width:360px){
  .container{max-width:calc(100vw - 24px)!important;padding:0 12px!important}
}
@media(prefers-reduced-motion:reduce){
  .aurora{animation:none!important}
}
