/* ==========================================================================
   MonstarAds — Design System
   Tokens: Navy / Royal Blue / Electric Purple / Teal — "GrowthClaw" identity
   ========================================================================== */

:root{
  --navy:        #0B1224;
  --navy-2:      #121B3A;
  --navy-3:      #1A2650;
  --blue:        #2547E0;
  --purple:      #7C3AED;
  --teal:        #16E8B0;
  --off-white:   #F7F7F3;
  --paper:       #FFFFFF;
  --ink:         #0E1122;
  --ink-soft:    #4B5169;
  --ink-faint:   #7A8098;
  --line:        rgba(14,17,34,0.10);
  --line-dark:   rgba(247,247,243,0.14);
  --radius-sm:   10px;
  --radius-md:   16px;
  --radius-lg:   26px;
  --shadow-card: 0 1px 2px rgba(14,17,34,0.06), 0 12px 32px -16px rgba(14,17,34,0.18);
  --shadow-pop:  0 20px 60px -20px rgba(37,71,224,0.35);
  --grad-brand:  linear-gradient(135deg, var(--blue) 0%, var(--purple) 62%, var(--teal) 100%);
  --grad-dark:   radial-gradient(1100px 520px at 12% -10%, rgba(37,71,224,0.55), transparent 60%),
                 radial-gradient(900px 480px at 100% 0%, rgba(124,58,237,0.45), transparent 55%),
                 linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
  --container: 1180px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}
body{
  margin:0; font-family:var(--font-body); color:var(--ink); background:var(--off-white);
  -webkit-font-smoothing:antialiased; line-height:1.55; font-size:16px;
}
h1,h2,h3,h4{ font-family:var(--font-display); color:var(--ink); line-height:1.08; margin:0 0 .5em; letter-spacing:-0.01em; }
h1{ font-size:clamp(2.4rem,4.6vw,3.9rem); font-weight:700; }
h2{ font-size:clamp(1.8rem,3vw,2.6rem); font-weight:700; }
h3{ font-size:1.25rem; font-weight:700; }
p{ margin:0 0 1em; color:var(--ink-soft); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }
.container{ max-width:var(--container); margin:0 auto; padding:0 24px; }
section{ padding:96px 0; }
@media (max-width:768px){ section{ padding:64px 0; } }

.eyebrow{
  display:inline-flex; align-items:center; gap:8px; font-family:var(--font-mono); font-size:.72rem;
  letter-spacing:.14em; text-transform:uppercase; color:var(--purple); font-weight:600; margin-bottom:14px;
}
.eyebrow::before{ content:""; width:18px; height:2px; background:var(--grad-brand); border-radius:2px; }
.on-dark .eyebrow{ color:var(--teal); }

.claw-underline{ position:relative; display:inline-block; }
.claw-underline svg{ position:absolute; left:0; bottom:-10px; width:100%; height:14px; }

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px; font-family:var(--font-body);
  font-weight:600; font-size:.95rem; padding:14px 26px; border-radius:999px; border:1px solid transparent;
  cursor:pointer; transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn:focus-visible{ outline:3px solid var(--teal); outline-offset:2px; }
.btn-primary{ background:var(--grad-brand); color:#fff; box-shadow:var(--shadow-pop); }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 24px 60px -18px rgba(124,58,237,0.5); }
.btn-outline{ background:transparent; border-color:var(--line); color:var(--ink); }
.btn-outline:hover{ border-color:var(--ink); transform:translateY(-2px); }
.on-dark .btn-outline{ border-color:var(--line-dark); color:#fff; }
.on-dark .btn-outline:hover{ border-color:#fff; }
.btn-ghost{ background:transparent; color:var(--blue); padding:14px 8px; }
.btn-ghost:hover{ color:var(--purple); }
.btn-sm{ padding:10px 18px; font-size:.85rem; }
.btn-block{ width:100%; }

/* Header */
.site-header{
  position:sticky; top:0; z-index:100; background:rgba(11,18,36,0.86); backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-dark);
}
.site-header .container{ display:flex; align-items:center; justify-content:space-between; height:76px; gap:24px; }
.brand{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-weight:700; font-size:1.15rem; color:#fff; }
.brand img{ width:38px; height:38px; }
.main-nav{ display:flex; align-items:center; gap:28px; }
.main-nav a{ color:#D8DBEA; font-size:.92rem; font-weight:500; transition:color .15s ease; position:relative; }
.main-nav a:hover, .main-nav a.active{ color:#fff; }
.main-nav a.active::after{ content:""; position:absolute; left:0; right:0; bottom:-22px; height:2px; background:var(--grad-brand); }
.header-cta{ display:flex; align-items:center; gap:12px; }
.header-cta .btn-outline{ border-color:var(--line-dark); color:#fff; padding:11px 20px; }
.header-cta .btn-primary{ padding:11px 22px; }
.menu-toggle{ display:none; background:none; border:none; color:#fff; cursor:pointer; padding:8px; }
.menu-toggle svg{ width:26px; height:26px; }

@media (max-width:960px){
  .main-nav{ position:fixed; inset:76px 0 0 0; background:var(--navy); flex-direction:column; align-items:flex-start;
    padding:32px 24px; gap:6px; transform:translateX(100%); transition:transform .28s ease; overflow-y:auto; }
  .main-nav.open{ transform:translateX(0); }
  .main-nav a{ padding:14px 0; width:100%; border-bottom:1px solid var(--line-dark); font-size:1.05rem; }
  .main-nav a.active::after{ display:none; }
  .header-cta{ display:none; }
  .main-nav .mobile-cta{ display:flex; gap:12px; margin-top:18px; width:100%; }
  .main-nav .mobile-cta .btn{ flex:1; }
  .menu-toggle{ display:inline-flex; }
}
.main-nav .mobile-cta{ display:none; }
@media (max-width:960px){ .main-nav .mobile-cta{ display:flex; } }

/* Hero */
.hero{ background:var(--grad-dark); color:#fff; position:relative; overflow:hidden; padding:120px 0 100px; }
.hero .container{ display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center; }
@media (max-width:900px){ .hero .container{ grid-template-columns:1fr; } .hero{ padding:64px 0 56px; } }
.hero h1{ color:#fff; }
.hero p.lead{ color:#B9BEDA; font-size:1.15rem; max-width:52ch; }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; margin-top:30px; }
.hero-art{ position:relative; }
.hero-art svg{ width:100%; height:auto; }

/* Stat / benefit cards */
.grid{ display:grid; gap:24px; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
@media (max-width:900px){ .grid-3,.grid-4{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:600px){ .grid-3,.grid-4,.grid-2{ grid-template-columns:1fr; } }

.card{ background:var(--paper); border:1px solid var(--line); border-radius:var(--radius-md); padding:28px;
  box-shadow:var(--shadow-card); transition:transform .2s ease, box-shadow .2s ease; }
.card:hover{ transform:translateY(-4px); box-shadow:0 24px 48px -20px rgba(14,17,34,0.22); }
.card .icon{ width:46px; height:46px; border-radius:12px; background:var(--grad-brand); display:flex; align-items:center; justify-content:center; margin-bottom:16px; }
.card .icon svg{ width:24px; height:24px; stroke:#fff; }
.card h3{ margin-bottom:8px; }
.card p{ margin:0; font-size:.94rem; }

.section-head{ max-width:640px; margin-bottom:52px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

.on-dark{ background:var(--navy); color:#fff; }
.on-dark h2, .on-dark h3{ color:#fff; }
.on-dark p{ color:#B9BEDA; }
.on-dark .card{ background:var(--navy-2); border-color:var(--line-dark); }
.on-dark .card p{ color:#B9BEDA; }

.split{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
@media (max-width:900px){ .split{ grid-template-columns:1fr; gap:36px; } }
.split ul.checklist li{ display:flex; gap:12px; padding:10px 0; border-bottom:1px solid var(--line); }
.on-dark .split ul.checklist li{ border-color:var(--line-dark); }
.split ul.checklist li:last-child{ border-bottom:none; }
.split ul.checklist svg{ flex:none; width:20px; height:20px; margin-top:2px; stroke:var(--teal); }

/* Verticals */
.vertical-card{ position:relative; }
.vertical-card .icon{ background:var(--navy); }
.vertical-card a.learn{ font-size:.85rem; font-weight:600; color:var(--blue); display:inline-flex; align-items:center; gap:6px; margin-top:10px; }

/* Steps */
.steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; counter-reset:step; }
@media (max-width:800px){ .steps{ grid-template-columns:1fr; } }
.step{ position:relative; padding:30px 24px 24px; background:var(--paper); border:1px solid var(--line); border-radius:var(--radius-md); }
.step .num{ font-family:var(--font-mono); font-size:.8rem; color:var(--purple); font-weight:700; letter-spacing:.06em; }
.steps-track{ display:grid; grid-template-columns:repeat(2,1fr); gap:48px; margin-top:20px; }
@media (max-width:800px){ .steps-track{ grid-template-columns:1fr; } }
.steps-track h4{ font-family:var(--font-mono); text-transform:uppercase; font-size:.8rem; letter-spacing:.1em; color:var(--purple); margin-bottom:18px; }

/* Testimonials */
.testimonial-slider{ position:relative; overflow:hidden; }
.testimonial-track{ display:flex; transition:transform .5s ease; }
.testimonial-slide{ flex:0 0 100%; padding:0 8px; }
.testimonial-card{ background:var(--navy-2); border:1px solid var(--line-dark); border-radius:var(--radius-lg); padding:40px; color:#fff; max-width:760px; margin:0 auto; }
.testimonial-card p.quote{ font-size:1.2rem; color:#fff; font-family:var(--font-display); }
.testimonial-meta{ display:flex; align-items:center; gap:12px; margin-top:20px; }
.testimonial-avatar{ width:44px; height:44px; border-radius:50%; background:var(--grad-brand); display:flex; align-items:center; justify-content:center; font-weight:700; color:#fff; font-family:var(--font-display); }
.testimonial-name{ font-weight:700; color:#fff; font-size:.92rem; }
.testimonial-role{ font-size:.82rem; color:var(--ink-faint); }
.placeholder-tag{ display:inline-block; margin-top:16px; font-family:var(--font-mono); font-size:.68rem; letter-spacing:.08em; text-transform:uppercase; color:var(--teal); border:1px solid rgba(22,232,176,.35); padding:4px 10px; border-radius:999px; }
.slider-dots{ display:flex; gap:8px; justify-content:center; margin-top:28px; }
.slider-dots button{ width:9px; height:9px; border-radius:50%; border:none; background:var(--line-dark); cursor:pointer; padding:0; }
.slider-dots button.active{ background:var(--grad-brand); width:22px; border-radius:6px; transition:all .25s ease; }
.slider-arrow{ position:absolute; top:50%; transform:translateY(-50%); background:rgba(255,255,255,.08); border:1px solid var(--line-dark); color:#fff; width:42px; height:42px; border-radius:50%; cursor:pointer; display:flex; align-items:center; justify-content:center; }
.slider-arrow.prev{ left:0; } .slider-arrow.next{ right:0; }
@media (max-width:640px){ .slider-arrow{ display:none; } }

/* CTA band */
.cta-band{ background:var(--grad-brand); border-radius:var(--radius-lg); padding:64px; color:#fff; text-align:center; position:relative; overflow:hidden; }
.cta-band h2{ color:#fff; }
.cta-band p{ color:rgba(255,255,255,.88); max-width:56ch; margin-left:auto; margin-right:auto; }
.cta-band .hero-ctas{ justify-content:center; }
.cta-band .btn-primary{ background:#fff; color:var(--ink); box-shadow:none; }
.cta-band .btn-outline{ border-color:rgba(255,255,255,.5); color:#fff; }

/* Forms */
.form-card{ background:var(--paper); border:1px solid var(--line); border-radius:var(--radius-lg); padding:44px; box-shadow:var(--shadow-card); }
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
@media (max-width:700px){ .form-grid{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:6px; margin-bottom:18px; }
.field.full{ grid-column:1/-1; }
.field label{ font-size:.85rem; font-weight:600; color:var(--ink); }
.field .req{ color:var(--purple); }
.field input, .field select, .field textarea{
  font-family:var(--font-body); font-size:.95rem; padding:12px 14px; border:1px solid var(--line); border-radius:var(--radius-sm);
  background:var(--off-white); color:var(--ink); transition:border-color .15s ease, box-shadow .15s ease; width:100%;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--blue); box-shadow:0 0 0 4px rgba(37,71,224,.14); background:#fff;
}
.field .hint{ font-size:.78rem; color:var(--ink-faint); }
.field .error-msg{ font-size:.8rem; color:#D6336C; display:none; }
.field.invalid input, .field.invalid select, .field.invalid textarea{ border-color:#D6336C; }
.field.invalid .error-msg{ display:block; }
.checkbox-row{ display:flex; align-items:flex-start; gap:10px; margin:18px 0; }
.checkbox-row input{ margin-top:4px; width:auto; }
.checkbox-row label{ font-size:.86rem; color:var(--ink-soft); font-weight:400; }
.form-status{ margin-top:18px; padding:14px 16px; border-radius:var(--radius-sm); font-size:.9rem; display:none; }
.form-status.success{ display:block; background:rgba(22,232,176,.12); color:#0C7A5B; border:1px solid rgba(22,232,176,.4); }
.form-status.error{ display:block; background:rgba(214,51,108,.1); color:#B0225A; border:1px solid rgba(214,51,108,.35); }
.form-status.loading{ display:block; background:rgba(37,71,224,.08); color:var(--blue); }

/* Tables (legal/comparisons) */
.info-table{ width:100%; border-collapse:collapse; margin:24px 0; font-size:.92rem; }
.info-table th, .info-table td{ padding:14px 16px; border:1px solid var(--line); text-align:left; }
.info-table th{ background:var(--navy); color:#fff; font-family:var(--font-mono); font-size:.78rem; text-transform:uppercase; letter-spacing:.06em; }

/* Footer */
.site-footer{ background:var(--navy); color:#B9BEDA; padding:72px 0 32px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr repeat(4,1fr); gap:32px; padding-bottom:48px; border-bottom:1px solid var(--line-dark); }
@media (max-width:900px){ .footer-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .footer-grid{ grid-template-columns:1fr; } }
.footer-grid h4{ color:#fff; font-family:var(--font-mono); font-size:.78rem; letter-spacing:.08em; text-transform:uppercase; margin-bottom:16px; }
.footer-grid li{ margin-bottom:10px; }
.footer-grid a{ color:#B9BEDA; font-size:.9rem; transition:color .15s ease; }
.footer-grid a:hover{ color:#fff; }
.footer-brand p{ color:#8A90AC; font-size:.88rem; max-width:32ch; }
.social-row{ display:flex; gap:10px; margin-top:18px; }
.social-row a{ width:36px; height:36px; border-radius:50%; border:1px solid var(--line-dark); display:flex; align-items:center; justify-content:center; }
.social-row svg{ width:16px; height:16px; stroke:#B9BEDA; }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:28px; flex-wrap:wrap; gap:12px; font-size:.82rem; color:#7A8098; }
.footer-bottom a{ color:#7A8098; }
.footer-bottom a:hover{ color:#fff; }
.footer-legal-links{ display:flex; gap:18px; flex-wrap:wrap; }

/* Cookie banner */
.cookie-banner{
  position:fixed; left:20px; right:20px; bottom:20px; z-index:200; background:var(--navy-2); color:#fff;
  border:1px solid var(--line-dark); border-radius:var(--radius-md); padding:20px 24px; display:flex; gap:20px;
  align-items:center; justify-content:space-between; box-shadow:0 24px 60px -20px rgba(0,0,0,.4); max-width:900px;
  margin:0 auto; transform:translateY(140%); transition:transform .4s ease;
}
.cookie-banner.show{ transform:translateY(0); }
.cookie-banner p{ color:#B9BEDA; font-size:.85rem; margin:0; }
.cookie-actions{ display:flex; gap:10px; flex:none; }
@media (max-width:640px){ .cookie-banner{ flex-direction:column; align-items:flex-start; } }

/* Scroll to top */
.scroll-top{
  position:fixed; right:24px; bottom:24px; width:48px; height:48px; border-radius:50%; background:var(--grad-brand);
  border:none; display:flex; align-items:center; justify-content:center; cursor:pointer; box-shadow:var(--shadow-pop);
  opacity:0; pointer-events:none; transition:opacity .25s ease, transform .25s ease; z-index:150;
}
.scroll-top.show{ opacity:1; pointer-events:auto; }
.scroll-top svg{ width:20px; height:20px; stroke:#fff; }

/* Reveal animation */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* Page hero (interior pages) */
.page-hero{ background:var(--grad-dark); color:#fff; padding:88px 0 64px; }
.page-hero h1{ color:#fff; }
.page-hero p{ color:#B9BEDA; max-width:60ch; }
.breadcrumb{ font-family:var(--font-mono); font-size:.75rem; color:var(--teal); letter-spacing:.06em; text-transform:uppercase; margin-bottom:14px; }

/* Legal content */
.legal-content h2{ margin-top:2.2em; font-size:1.4rem; }
.legal-content h3{ margin-top:1.4em; }
.legal-content p, .legal-content li{ color:var(--ink-soft); }
.legal-content ul{ padding-left:1.2em; list-style:disc; margin-bottom:1em; }
.legal-content li{ margin-bottom:.4em; }
.legal-updated{ font-family:var(--font-mono); font-size:.78rem; color:var(--ink-faint); }
.legal-disclaimer{ background:#FFF4E5; border:1px solid #F4CB89; border-radius:var(--radius-sm); padding:18px 20px; font-size:.88rem; color:#7A4A00; margin:24px 0; }
.placeholder-note{ background:rgba(37,71,224,.07); border:1px dashed rgba(37,71,224,.4); border-radius:var(--radius-sm); padding:14px 16px; font-size:.85rem; color:var(--blue); }

/* Login */
.login-wrap{ max-width:440px; margin:0 auto; }
.divider-text{ display:flex; align-items:center; gap:12px; color:var(--ink-faint); font-size:.8rem; margin:22px 0; }
.divider-text::before, .divider-text::after{ content:""; flex:1; height:1px; background:var(--line); }

/* 404 */
.error-page{ min-height:60vh; display:flex; align-items:center; justify-content:center; text-align:center; }
.error-code{ font-family:var(--font-display); font-size:clamp(4rem,14vw,9rem); font-weight:700; background:var(--grad-brand); -webkit-background-clip:text; background-clip:text; color:transparent; line-height:1; }

/* Utility */
.mt-0{margin-top:0} .center-text{text-align:center}
.tag-list{ display:flex; flex-wrap:wrap; gap:10px; }
.tag{ font-family:var(--font-mono); font-size:.75rem; padding:6px 12px; border-radius:999px; background:var(--navy); color:var(--teal); }