/* ════════════════════════════════════════════
   DESIGN TOKENS — SwiftOTP Dark Palette
════════════════════════════════════════════ */
:root {
  --bg:           hsl(224 40% 9%);
  --bg-alt:       hsl(220 35% 6%);
  --card:         hsl(220 32% 15%);
  --card-2:       hsl(220 28% 18%);
  --card-hover:   hsl(218 28% 21%);
  --fg:           hsl(210 40% 97%);
  --muted:        hsl(215 18% 58%);
  --border:       hsl(218 22% 24%);
  --border-2:     hsl(218 22% 30%);
  --primary:      hsl(263 72% 68%);
  --primary-2:    hsl(248 68% 58%);
  --secondary:    hsl(199 90% 62%);
  --green:        #4ade80;
  --yellow:       #facc15;
  --red:          hsl(0 84% 62%);
  --radius:       0.875rem;
  --radius-sm:    0.5rem;
  --radius-lg:    1.25rem;
  --gradient-btn: linear-gradient(135deg, hsl(263 72% 68%), hsl(248 68% 58%));
  --gradient-banner: linear-gradient(135deg, hsl(263 65% 52%) 0%, hsl(248 65% 46%) 50%, hsl(238 65% 42%) 100%);
  --shadow-card:  0 2px 12px hsl(220 35% 3% / .5), 0 1px 0 hsl(218 22% 26% / .8) inset;
  --shadow-glow:  0 0 0 1px hsl(263 72% 68% / .22), 0 8px 32px hsl(263 72% 68% / .14);
  --shadow-btn:   0 4px 20px hsl(263 72% 68% / .38);
}

/* ════════════ LIGHT MODE */
html.light {
  --bg:           hsl(220 20% 97%);
  --bg-alt:       hsl(220 18% 94%);
  --card:         hsl(0 0% 100%);
  --card-2:       hsl(220 18% 96%);
  --card-hover:   hsl(220 18% 93%);
  --fg:           hsl(220 25% 12%);
  --muted:        hsl(218 14% 48%);
  --border:       hsl(220 15% 88%);
  --border-2:     hsl(220 15% 80%);
  --primary:      hsl(263 72% 60%);
  --primary-2:    hsl(248 68% 52%);
  --secondary:    hsl(199 90% 44%);
  --green:        #16a34a;
  --yellow:       #ca8a04;
  --red:          hsl(0 84% 52%);
  --gradient-btn: linear-gradient(135deg, hsl(263 72% 60%), hsl(248 68% 52%));
  --shadow-card:  0 1px 4px hsl(220 25% 12% / .07), 0 4px 16px hsl(220 25% 12% / .05), 0 0 0 1px hsl(220 15% 88%);
  --shadow-glow:  0 0 0 1px hsl(263 72% 60% / .18), 0 8px 24px hsl(263 72% 60% / .1);
  --shadow-btn:   0 4px 16px hsl(263 72% 60% / .3);
}

html.light body { background-image: radial-gradient(ellipse 80% 50% at 50% -10%, hsl(263 72% 60% / .06), transparent); }
html.light .glass { background: hsl(220 20% 97% / .9); backdrop-filter: blur(20px) saturate(1.2); }
html.light .header { border-bottom-color: hsl(220 15% 88%); }
html.light .theme-toggle { color: var(--muted); background: var(--card); border-color: var(--border); }
html.light .theme-toggle:hover { color: var(--fg); background: var(--card-hover); }
html.light .mobile-nav { background: hsl(220 18% 95%); }
html.light .mob-nav-link:hover { background: hsl(220 18% 89%); }
html.light .mob-nav-link.active { background: hsl(263 72% 60% / .08); color: var(--primary); }
html.light .header-nav-link:hover { background: hsl(220 18% 92%); }
html.light .banner-strip { background: hsl(263 65% 48% / .08); border-color: hsl(263 65% 48% / .2); }
html.light .tab-bar { background: hsl(220 18% 92%); border-color: hsl(220 15% 85%); }
html.light .tab-btn:hover { background: hsl(220 18% 88%); }
html.light .tab-btn.active { background: hsl(0 0% 100%); color: var(--primary); }
html.light .section-card { background: hsl(0 0% 100%); border-color: hsl(220 15% 88%); }
html.light .hero-gradient-card { background: hsl(263 72% 60% / .04); border-color: hsl(263 72% 60% / .25); }
html.light .step-row { background: hsl(220 18% 96%); }
html.light .feature-card { background: hsl(0 0% 100%); border-color: hsl(220 15% 88%); }
html.light .feature-card:hover { border-color: hsl(263 72% 60% / .35); background: hsl(263 72% 60% / .03); }
html.light .arb-step { background: hsl(220 18% 97%); border-color: hsl(220 15% 88%); }
html.light .cta-card { background: hsl(0 0% 100%); border-color: hsl(263 72% 60% / .2); }
html.light .footer-wrap { background: hsl(220 25% 8%); }
html.light .toast { background: hsl(0 0% 100%); border-color: hsl(220 15% 86%); }
html.light .reward-box { background: hsl(263 72% 60% / .05); border-color: hsl(263 72% 60% / .2); }

/* ════════════ RESET */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; border: 0 solid var(--border); }
html { font-family: 'Inter', system-ui, sans-serif; line-height: 1.5; -webkit-text-size-adjust: 100%; }
body { background: var(--bg); color: var(--fg); -webkit-font-smoothing: antialiased; overflow-x: hidden; min-height: 100vh; background-image: radial-gradient(ellipse 80% 50% at 50% -10%, hsl(263 72% 68% / .08), transparent); transition: background .35s, color .35s; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; background: none; border: none; color: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; outline: none; background: none; color: inherit; }
img, svg { display: block; }

/* ════════════ ANIMATIONS */
@keyframes fadeUp     { from{opacity:0;transform:translateY(18px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeIn     { from{opacity:0} to{opacity:1} }
@keyframes spin       { to{transform:rotate(360deg)} }
@keyframes toastIn    { from{opacity:0;transform:translateY(12px) scale(.97)} to{opacity:1;transform:translateY(0) scale(1)} }
@keyframes themeSwitch{ 0%{transform:scale(1) rotate(0)} 30%{transform:scale(.82) rotate(-15deg);opacity:.6} 70%{transform:scale(1.08) rotate(8deg);opacity:.9} 100%{transform:scale(1) rotate(0);opacity:1} }
@keyframes float      { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
.anim-fade-up { animation: fadeUp .5s cubic-bezier(.22,1,.36,1) both; }
.anim-d1 { animation-delay:.06s; } .anim-d2 { animation-delay:.12s; }
.anim-d3 { animation-delay:.18s; } .anim-d4 { animation-delay:.24s; }

/* ════════════ HELPERS */
.container { width: 100%; max-width: 1300px; margin: 0 auto; padding: 0 1rem; }
@media(min-width:480px){.container{padding:0 1.25rem;}}
@media(min-width:768px){.container{padding:0 1.5rem;}}
.gradient-text { background: var(--gradient-btn); -webkit-background-clip: text; background-clip: text; color: transparent; }
.gradient-btn-bg { background: var(--gradient-btn); }
.glass { background: hsl(224 40% 9% / .88); backdrop-filter: blur(20px) saturate(1.4); -webkit-backdrop-filter: blur(20px) saturate(1.4); }
::-webkit-scrollbar { width: .25rem; height: .25rem; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: hsl(218 22% 28%); border-radius: 9999px; }

/* ════════════ THEME TOGGLE */
.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 2.25rem; height: 2.25rem; border-radius: .625rem;
  background: var(--card); border: 1px solid var(--border);
  color: var(--muted); cursor: pointer;
  transition: background .2s, border-color .2s, color .2s, box-shadow .2s;
  flex-shrink: 0; position: relative; overflow: hidden;
}
.theme-toggle:hover { background: var(--card-hover); border-color: var(--border-2); color: var(--fg); }
.theme-toggle .ico-sun, .theme-toggle .ico-moon { position: absolute; transition: opacity .25s, transform .3s; }
.theme-toggle .ico-sun  { opacity: 0; transform: rotate(-90deg) scale(.6); }
.theme-toggle .ico-moon { opacity: 1; transform: rotate(0) scale(1); }
html.light .theme-toggle .ico-sun  { opacity: 1; transform: rotate(0) scale(1); }
html.light .theme-toggle .ico-moon { opacity: 0; transform: rotate(90deg) scale(.6); }
.theme-toggle.animating { animation: themeSwitch .38s ease; }

/* ════════════ HEADER */
.header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid hsl(218 22% 20% / .8); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 3.75rem; padding: 0 1rem; gap: .5rem; }
@media(min-width:768px){.header-inner{height:4rem;padding:0 1.5rem;gap:.75rem;}}
.logo { display: flex; align-items: center; gap: .5rem; flex-shrink: 0; }
.logo-icon { width: 2.375rem; height: 2.375rem; border-radius: .625rem; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 14px hsl(263 72% 68% / .35); position: relative; overflow: hidden; }
.logo-icon::after { content:''; position:absolute; top:-50%; left:-50%; width:200%; height:200%; background:linear-gradient(135deg,hsl(210 40% 97% / .15),transparent); pointer-events:none; }
.logo-text { font-size: 1.1875rem; font-weight: 800; letter-spacing: -.01em; }
.logo-otp { color: var(--primary); }
.header-nav { display: none; align-items: center; gap: .125rem; flex: 1; justify-content: center; }
@media(min-width:900px){.header-nav{display:flex;}}
.header-nav-link { padding: .4375rem .75rem; border-radius: .625rem; font-size: .875rem; font-weight: 500; color: var(--muted); cursor: pointer; transition: color .15s, background .15s; white-space: nowrap; }
.header-nav-link:hover { color: var(--fg); background: hsl(220 28% 18%); }
.header-nav-link.active { color: var(--primary); }
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .5rem 1.25rem; border-radius: .75rem; font-size: .875rem; font-weight: 600; cursor: pointer; transition: all .2s; white-space: nowrap; flex-shrink: 0; border: 1px solid transparent; }
.btn-primary { background: var(--gradient-btn); color: #fff; box-shadow: var(--shadow-btn); }
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-outline { background: transparent; border-color: var(--border-2); color: var(--fg); }
.btn-outline:hover { background: var(--card-hover); border-color: var(--primary); color: var(--primary); }
.btn-lg { padding: .75rem 1.75rem; font-size: 1rem; }
.btn-sm { padding: .375rem .875rem; font-size: .8125rem; }
.mob-btn { display: flex; align-items: center; justify-content: center; width: 2.25rem; height: 2.25rem; border-radius: .625rem; transition: background .15s; flex-shrink: 0; }
.mob-btn:hover { background: var(--card-hover); }
.mobile-nav { display: none; flex-direction: column; gap: .25rem; padding: .75rem; border-top: 1px solid var(--border); background: hsl(220 32% 13%); }
.mobile-nav.open { display: flex; animation: fadeIn .2s ease; }
.mob-nav-link { display: flex; align-items: center; gap: .625rem; padding: .625rem .75rem; border-radius: .625rem; font-size: .9375rem; font-weight: 500; color: var(--fg); transition: background .15s; text-align: left; width: 100%; }
.mob-nav-link:hover { background: hsl(220 28% 19%); }
.mob-nav-link.active { background: hsl(263 72% 68% / .1); color: var(--primary); }

/* ════════════ BANNER */
.banner-strip { background: hsl(263 65% 52% / .07); border-bottom: 1px solid hsl(263 65% 52% / .15); padding: .5rem 1rem; text-align: center; font-size: .8125rem; color: var(--muted); }
.banner-strip strong { color: var(--primary); }

/* ════════════ BREADCRUMB */
.breadcrumb { display: flex; align-items: center; gap: .375rem; font-size: .8125rem; color: var(--muted); margin-bottom: 1.5rem; }
.breadcrumb a { color: var(--muted); transition: color .15s; }
.breadcrumb a:hover { color: var(--secondary); text-decoration: underline; }
.breadcrumb span { color: var(--fg); font-weight: 500; }

/* ════════════ PAGE HERO (minimal) */
.page-hero { padding: 2rem 0 1.75rem; text-align: center; max-width: 52rem; margin: 0 auto; }
.hero-badge { display: inline-flex; align-items: center; gap: .5rem; background: hsl(263 72% 68% / .12); border: 1px solid hsl(263 72% 68% / .28); border-radius: 9999px; padding: .3125rem 1rem; font-size: .8125rem; font-weight: 600; color: var(--primary); margin-bottom: 1rem; }
.page-hero-title { font-size: 2.5rem; font-weight: 900; letter-spacing: -.035em; line-height: 1.1; margin-bottom: .875rem; }
@media(max-width:640px){.page-hero-title{font-size:1.875rem;}}
.page-hero-sub { font-size: 1rem; color: var(--muted); max-width: 36rem; margin: 0 auto; line-height: 1.65; }

/* ════════════ TABS */
.tab-bar { display: flex; background: hsl(220 32% 12%); border: 1px solid var(--border); border-radius: .875rem; padding: .3125rem; gap: .25rem; max-width: 28rem; margin: 0 auto 2.5rem; }
.tab-btn { flex: 1; display: flex; align-items: center; justify-content: center; gap: .5rem; padding: .6875rem 1rem; border-radius: .625rem; font-size: .9rem; font-weight: 600; color: var(--muted); transition: all .2s; cursor: pointer; background: none; }
.tab-btn:hover { color: var(--fg); background: hsl(220 28% 20%); }
.tab-btn.active { background: linear-gradient(145deg, hsl(220 32% 22%), hsl(220 28% 18%)); color: var(--primary); box-shadow: 0 2px 8px hsl(220 35% 3% / .4); border: 1px solid hsl(263 72% 68% / .2); }

/* ════════════ TAB CONTENT */
.tab-content { display: none; animation: fadeIn .25s ease; }
.tab-content.active { display: block; }

/* ════════════ SECTION CARD */
.section-card {
  background: linear-gradient(145deg, hsl(220 32% 16%), hsl(220 28% 13%));
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card); overflow: hidden; position: relative;
  margin-bottom: 1.25rem;
}
.section-card::before {
  content:''; position:absolute; inset:0; border-radius:inherit;
  background:linear-gradient(135deg,hsl(210 40% 97% / .025) 0%,transparent 60%); pointer-events:none;
}
.card-body { padding: 1.75rem; position: relative; z-index: 1; }
.card-head { padding: 1.25rem 1.75rem; border-bottom: 1px solid var(--border); position: relative; z-index: 1; }
.card-title { font-size: 1.25rem; font-weight: 800; letter-spacing: -.02em; text-align: center; }

/* ════════════ HERO GRADIENT CARD */
.hero-gradient-card {
  background: linear-gradient(135deg, hsl(263 72% 68% / .08) 0%, hsl(248 68% 58% / .06) 100%);
  border-color: hsl(263 72% 68% / .25);
}
.hero-gradient-card::before { background: linear-gradient(135deg, hsl(263 72% 68% / .06) 0%, transparent 60%); }

/* ════════════ PROGRAM BADGE */
.prog-badge { display: inline-flex; align-items: center; padding: .25rem .75rem; border-radius: 9999px; font-size: .75rem; font-weight: 700; letter-spacing: .03em; background: hsl(263 72% 68% / .14); color: var(--primary); border: 1px solid hsl(263 72% 68% / .28); margin-bottom: .875rem; }

/* ════════════ HERO CARD LAYOUT */
.hero-card-inner { display: flex; flex-direction: column; align-items: center; gap: 1.5rem; text-align: center; }
@media(min-width:640px){ .hero-card-inner { flex-direction: row; text-align: left; gap: 2.5rem; } }
.hero-card-icon { width: 8rem; height: 8rem; border-radius: 50%; background: hsl(263 72% 68% / .1); border: 1px solid hsl(263 72% 68% / .2); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--primary); animation: float 4s ease-in-out infinite; }
.hero-card-title { font-size: 1.5rem; font-weight: 800; letter-spacing: -.02em; color: var(--primary); margin-bottom: .625rem; line-height: 1.25; }
@media(max-width:640px){.hero-card-title{font-size:1.25rem;}}
.hero-card-desc { font-size: .9375rem; color: var(--muted); line-height: 1.65; }

/* ════════════ STEP ROWS (developer steps) */
.step-row {
  display: flex; align-items: flex-start; gap: 1.25rem;
  padding: 1.125rem 1.375rem; border-radius: .875rem;
  background: hsl(218 28% 19%); margin-bottom: .75rem;
}
.step-row:last-child { margin-bottom: 0; }
.step-num-big { font-size: 2.5rem; font-weight: 900; color: hsl(263 72% 68% / .28); flex-shrink: 0; line-height: 1; font-variant-numeric: tabular-nums; width: 3.5rem; }
.step-row-content h3 { font-size: .9375rem; font-weight: 700; margin-bottom: .375rem; color: var(--fg); }
.step-row-content p { font-size: .875rem; color: var(--muted); line-height: 1.6; }
.step-row-content a { color: var(--secondary); transition: color .15s; }
.step-row-content a:hover { text-decoration: underline; color: hsl(199 90% 75%); }

/* ════════════ REWARD BOX */
.reward-box {
  display: flex; flex-direction: column; align-items: center; gap: 1.5rem; text-align: center;
  background: hsl(263 72% 68% / .06); border: 1px solid hsl(263 72% 68% / .2);
  border-radius: var(--radius-lg); padding: 2rem 1.75rem;
  position: relative; overflow: hidden;
}
@media(min-width:640px){ .reward-box { flex-direction: row; text-align: left; } }
.reward-box::before { content:''; position:absolute; top:0; left:1.5rem; right:1.5rem; height:1.5px; background:var(--gradient-btn); border-radius:0 0 9999px 9999px; opacity:.4; }
.reward-icon { width: 4rem; height: 4rem; border-radius: 50%; background: hsl(263 72% 68% / .15); border: 1px solid hsl(263 72% 68% / .3); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--primary); }
.reward-box p { font-size: .9375rem; color: var(--muted); line-height: 1.65; }
.reward-box .highlight { color: var(--primary); font-weight: 700; }

/* ════════════ FEATURE CARDS (arbitrators) */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1.25rem; }
.feature-card {
  background: linear-gradient(145deg, hsl(220 32% 16%), hsl(220 28% 13%));
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1.75rem 1.375rem 1.5rem; text-align: center;
  transition: border-color .2s, transform .2s, box-shadow .2s; position: relative; overflow: hidden;
}
.feature-card::before { content:''; position:absolute; inset:0; border-radius:inherit; background:linear-gradient(135deg,hsl(210 40% 97% / .02) 0%,transparent 60%); pointer-events:none; }
.feature-card:hover { border-color: hsl(263 72% 68% / .35); transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.feature-icon { width: 3rem; height: 3rem; border-radius: 50%; background: hsl(263 72% 68% / .12); border: 1px solid hsl(263 72% 68% / .22); display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; color: var(--primary); transition: background .2s; }
.feature-card:hover .feature-icon { background: hsl(263 72% 68% / .2); border-color: hsl(263 72% 68% / .4); }
.feature-card h3 { font-size: .9375rem; font-weight: 700; margin-bottom: .5rem; }
.feature-card p { font-size: .8125rem; color: var(--muted); line-height: 1.55; }

/* ════════════ ARBITRATOR STEPS (4 circles) */
.arb-steps-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media(min-width:540px){ .arb-steps-grid { grid-template-columns: repeat(4, 1fr); } }
.arb-step {
  text-align: center; padding: 1.25rem .875rem;
  background: hsl(218 28% 19%); border: 1px solid var(--border); border-radius: var(--radius);
  position: relative;
}
.arb-step-num {
  width: 3rem; height: 3rem; border-radius: 50%;
  background: var(--gradient-btn); display: flex; align-items: center; justify-content: center;
  margin: 0 auto .875rem; font-size: 1.0625rem; font-weight: 800; color: #fff;
  box-shadow: 0 4px 12px hsl(263 72% 68% / .35);
}
.arb-step p { font-size: .8125rem; color: var(--muted); line-height: 1.5; }

/* ════════════ CTA CARD */
.cta-card {
  background: linear-gradient(145deg, hsl(220 32% 16%), hsl(220 28% 13%));
  border: 1px solid hsl(263 72% 68% / .25); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glow); padding: 2.5rem 2rem; text-align: center;
  max-width: 56rem; margin: 2rem auto 0; position: relative; overflow: hidden;
}
.cta-card::before { content:''; position:absolute; top:0; left:2rem; right:2rem; height:1.5px; background:var(--gradient-btn); border-radius:0 0 9999px 9999px; opacity:.45; }
.cta-card h2 { font-size: 1.75rem; font-weight: 900; letter-spacing: -.025em; margin-bottom: .75rem; }
@media(max-width:640px){.cta-card h2{font-size:1.375rem;}}
.cta-card p { color: var(--muted); margin-bottom: 1.75rem; font-size: .9375rem; line-height: 1.6; max-width: 32rem; margin-left: auto; margin-right: auto; }
.cta-btns { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .875rem; }

/* ════════════ FOOTER */
.footer-wrap { background: hsl(220 40% 5%); border-top: 1px solid hsl(218 22% 18%); margin-top: 4rem; padding: 3.5rem 0 1.5rem; }
.footer-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 2rem; margin-bottom: 2.5rem; }
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(3,1fr);}}
@media(min-width:900px){.footer-grid{grid-template-columns:1.5fr repeat(4,1fr);}}
.footer-brand p { font-size: .875rem; color: hsl(210 40% 65%); margin: .75rem 0 1.25rem; line-height: 1.6; }
.footer-social { display: flex; gap: .625rem; }
.social-btn { width: 2.5rem; height: 2.5rem; border-radius: .625rem; background: hsl(218 22% 18%); border: 1px solid hsl(218 22% 24%); display: flex; align-items: center; justify-content: center; color: hsl(215 18% 60%); transition: all .2s; }
.social-btn:hover { background: hsl(263 72% 68% / .15); border-color: hsl(263 72% 68% / .3); color: var(--primary); }
.footer-col-title { font-size: .8125rem; font-weight: 700; color: hsl(210 40% 90%); margin-bottom: 1rem; }
.footer-links { display: flex; flex-direction: column; gap: .5rem; }
.footer-links a { font-size: .875rem; color: hsl(215 18% 55%); transition: color .15s; }
.footer-links a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid hsl(218 22% 18%); padding-top: 1.5rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .75rem; font-size: .8125rem; color: hsl(215 18% 45%); }
.footer-bottom-links { display: flex; gap: 1.25rem; }
.footer-bottom-links a { color: hsl(215 18% 45%); transition: color .15s; }
.footer-bottom-links a:hover { color: var(--primary); }

/* ════════════ WA FAB */
.wa-fab { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 90; width: 3.25rem; height: 3.25rem; border-radius: 50%; background: #25d366; box-shadow: 0 4px 20px hsl(142 70% 45% / .5); display: flex; align-items: center; justify-content: center; transition: transform .2s, box-shadow .2s; color: #fff; }
.wa-fab:hover { transform: scale(1.1); box-shadow: 0 6px 28px hsl(142 70% 45% / .65); }

/* ════════════ TOAST */
.toast { position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%) translateY(14px) scale(.97); background: hsl(220 32% 18%); border: 1px solid var(--border); border-radius: .875rem; padding: .6875rem 1rem; display: flex; align-items: center; gap: .5rem; font-size: .875rem; font-weight: 500; z-index: 9999; box-shadow: 0 8px 32px hsl(220 35% 3% / .4); opacity: 0; pointer-events: none; max-width: 22rem; min-width: 12rem; white-space: nowrap; }
.toast.show { animation: toastIn .28s cubic-bezier(.22,1,.36,1) forwards; opacity: 1; }
.toast.out { opacity: 0; transform: translateX(-50%) translateY(10px) scale(.97); transition: opacity .22s, transform .22s; }
.toast.success .t-ico { color: var(--green); }
.toast.error   .t-ico { color: var(--red); }
.toast.info    .t-ico { color: var(--primary); }

@media(max-width:640px){
  .page-hero { padding: 1.5rem 0 1.25rem; }
  .card-body { padding: 1.125rem; }
  .card-head { padding: 1rem 1.125rem; }
  .hero-card-icon { width: 5rem; height: 5rem; }
  .cta-card { padding: 1.75rem 1.125rem; }
  .footer-brand { display: none; }
  .tab-bar { max-width: 100%; }
}