/* =================================================================
   THE GROWTH BROTHERS — Design System
   ================================================================= */

:root{
  /* Brand palette */
  --ink:        #10202E;
  --ink-soft:   #44576A;
  --ink-faint:  #8293A1;
  --bg:         #FBFAF7;
  --surface:    #FFFFFF;
  --surface-2:  #F3F1EA;
  --border:     #E6E2D8;
  --accent:     #1E9E5A;
  --accent-dark:#167B46;
  --accent-soft:#E6F5EC;
  --amber:      #F2A23C;
  --amber-soft: #FCEEDA;
  --danger:     #C2463A;

  --shadow-sm: 0 1px 2px rgba(16,32,46,.06);
  --shadow-md: 0 8px 24px rgba(16,32,46,.08);
  --shadow-lg: 0 24px 60px rgba(16,32,46,.14);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --container: 1180px;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  line-height:1.08;
  margin:0 0 .5em;
  font-weight:600;
  letter-spacing:-0.01em;
}
h1{font-size:clamp(2.6rem,5vw,4.4rem);}
h2{font-size:clamp(2rem,3.4vw,2.8rem);}
h3{font-size:clamp(1.3rem,2vw,1.6rem);}
p{margin:0 0 1em;color:var(--ink-soft);}
.lede{font-size:1.2rem;color:var(--ink-soft);max-width:640px;}
ul{padding-left:1.1em;}

.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
section{padding:96px 0;}
@media (max-width:768px){section{padding:64px 0;}}

.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent-dark);background:var(--accent-soft);
  padding:6px 14px;border-radius:var(--radius-pill);margin-bottom:18px;
}
.kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-pill);
  font-weight:600;font-size:.98rem;cursor:pointer;border:1px solid transparent;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:var(--accent-dark);box-shadow:var(--shadow-md);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-dark);box-shadow:var(--shadow-md);}
.btn-outline{background:transparent;border-color:var(--border);color:var(--ink);}
.btn-outline:hover{border-color:var(--ink);}
.btn-ghost{background:transparent;color:var(--ink-soft);padding:14px 8px;}
.btn-block{width:100%;}
.btn-sm{padding:10px 18px;font-size:.88rem;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,250,247,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;max-width:var(--container);margin:0 auto;}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:1.3rem;color:var(--ink);}
.brand .mark{width:30px;height:30px;border-radius:9px;background:var(--accent);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1rem;font-weight:800;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{font-size:.95rem;font-weight:550;color:var(--ink-soft);}
.nav-links a:hover,.nav-links a.active{color:var(--ink);}
.header-cta{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;}
@media (max-width:880px){
  .nav-links{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:var(--bg);
    flex-direction:column;
    align-items:flex-start;
    gap:6px;
    padding:20px 24px;
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:transform .25s ease, opacity .2s ease, visibility .25s ease;
    border-top:1px solid var(--border);
    border-bottom:1px solid var(--border);
    box-shadow:var(--shadow-md);
    z-index:100;
  }
  .nav-links.open{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-links a{padding:12px 0;width:100%;border-bottom:1px solid var(--border);}
  .nav-toggle{display:block;}
  .header-cta .btn-outline{display:none;}
}

/* ---------- Hero ---------- */
.hero{padding:100px 0 70px;position:relative;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;}
@media (max-width:920px){.hero-grid{grid-template-columns:1fr;}}
.hero h1{margin-bottom:22px;}
.hero h1 .accent{color:var(--accent);}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
.hero-trust{margin-top:34px;display:flex;gap:22px;flex-wrap:wrap;color:var(--ink-faint);font-size:.85rem;}
.hero-trust strong{color:var(--ink);}

.hero-visual{
  background:linear-gradient(160deg,var(--ink) 0%, #1C3548 100%);
  border-radius:var(--radius-lg);min-height:380px;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);
}
.hero-visual .glow{position:absolute;width:280px;height:280px;background:var(--accent);filter:blur(80px);opacity:.45;border-radius:50%;}
.hero-visual .glow.g1{top:-60px;left:-60px;}
.hero-visual .glow.g2{bottom:-80px;right:-40px;background:var(--amber);}
.hero-card{position:relative;z-index:2;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-md);padding:26px;width:84%;color:#fff;backdrop-filter:blur(6px);}
.hero-card .row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:.92rem;}
.hero-card .row:last-child{border-bottom:none;}
.hero-card .row span:last-child{color:var(--accent);font-weight:700;}

/* ---------- Logo / proof strip ---------- */
.proof-strip{padding:40px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--surface-2);}
.proof-strip .row{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:center;color:var(--ink-faint);font-weight:600;font-size:.92rem;}
.proof-strip .row span{white-space:nowrap;}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:920px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}}

.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:28px;box-shadow:var(--shadow-sm);transition:box-shadow .2s ease, transform .2s ease;
}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.card .icon{
  width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent-dark);
  display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:16px;
}
.card h3{margin-bottom:8px;}
.card p{margin-bottom:0;}
.card .tag{
  display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;
  background:var(--amber-soft);color:#9A5E12;padding:4px 10px;border-radius:var(--radius-pill);margin-bottom:12px;
}

.section-head{max-width:640px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
@media (max-width:920px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.steps{grid-template-columns:1fr;}}
.step .num{
  font-family:var(--font-display);font-size:1.6rem;color:var(--accent);font-weight:700;margin-bottom:10px;
}

/* ---------- Pricing ---------- */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
@media (max-width:920px){.pricing-grid{grid-template-columns:1fr;}}
.price-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:34px;display:flex;flex-direction:column;position:relative;box-shadow:var(--shadow-sm);
}
.price-card.featured{border-color:var(--accent);box-shadow:var(--shadow-lg);transform:scale(1.02);}
.price-card .ribbon{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#fff;font-size:.75rem;font-weight:700;letter-spacing:.04em;
  padding:6px 16px;border-radius:var(--radius-pill);text-transform:uppercase;
}
.price-card .plan-name{font-weight:700;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.06em;font-size:.85rem;}
.price-card .price{font-family:var(--font-display);font-size:2.6rem;margin:10px 0 2px;}
.price-card .price span{font-family:var(--font-body);font-size:1rem;color:var(--ink-faint);font-weight:500;}
.price-card .desc{color:var(--ink-faint);font-size:.92rem;margin-bottom:22px;}
.price-card ul{list-style:none;padding:0;margin:0 0 26px;display:flex;flex-direction:column;gap:12px;}
.price-card ul li{display:flex;gap:10px;font-size:.94rem;color:var(--ink-soft);align-items:flex-start;}
.price-card ul li svg{flex-shrink:0;margin-top:3px;color:var(--accent);}
.price-card .btn{margin-top:auto;}

.billing-toggle{display:flex;align-items:center;justify-content:center;gap:14px;margin:0 auto 46px;}
.billing-toggle .switch{
  width:50px;height:28px;border-radius:var(--radius-pill);background:var(--border);position:relative;cursor:pointer;border:none;
}
.billing-toggle .switch .knob{position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:var(--shadow-sm);transition:left .2s ease;}
.billing-toggle .switch.on{background:var(--accent);}
.billing-toggle .switch.on .knob{left:25px;}
.billing-toggle .save-badge{background:var(--amber-soft);color:#9A5E12;font-size:.78rem;font-weight:700;padding:3px 10px;border-radius:var(--radius-pill);}

/* ---------- Comparison table ---------- */
.compare-table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);}
.compare-table th,.compare-table td{padding:16px 18px;border-bottom:1px solid var(--border);text-align:left;font-size:.92rem;}
.compare-table th{background:var(--surface-2);font-family:var(--font-display);font-weight:600;}
.compare-table td:not(:first-child),.compare-table th:not(:first-child){text-align:center;}
.compare-table tr:last-child td{border-bottom:none;}
.compare-table .yes{color:var(--accent);font-weight:700;}
.compare-table .no{color:var(--ink-faint);}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:22px 0;cursor:pointer;font-weight:600;font-size:1.05rem;
}
.faq-q .plus{font-size:1.4rem;color:var(--accent);transition:transform .2s ease;flex-shrink:0;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-a p{padding-bottom:20px;margin:0;}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
@media (max-width:600px){.form-grid{grid-template-columns:1fr;}}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:18px;}
.field label{font-size:.85rem;font-weight:600;color:var(--ink-soft);}
.field input,.field select,.field textarea{
  padding:13px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);
  font-family:var(--font-body);font-size:.96rem;background:var(--surface);color:var(--ink);
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);}
.form-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-md);}
.consent{font-size:.82rem;color:var(--ink-faint);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#cfd8df;padding:70px 0 30px;margin-top:60px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:50px;}
@media (max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-grid h4{color:#fff;font-family:var(--font-body);font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:16px;}
.footer-grid ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-grid a{color:#a9b6c1;font-size:.92rem;}
.footer-grid a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.82rem;color:#7e8c97;}

/* ---------- Badges / misc ---------- */
.badge-row{display:flex;gap:10px;flex-wrap:wrap;}
.pill{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-pill);padding:6px 14px;font-size:.82rem;font-weight:600;color:var(--ink-soft);}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--ink),#1c3548);color:#fff;border-radius:var(--radius-lg);
  padding:70px;text-align:center;position:relative;overflow:hidden;
}
.cta-band h2{color:#fff;}
.cta-band p{color:#c7d2da;}
.cta-band .glow{position:absolute;width:260px;height:260px;background:var(--accent);filter:blur(90px);opacity:.5;border-radius:50%;top:-80px;right:-60px;}

/* ---------- Author / bio ---------- */
.bio-card{display:flex;gap:24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-sm);}
.bio-card .avatar{width:96px;height:96px;border-radius:50%;background:var(--surface-2);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:1.8rem;color:var(--accent-dark);font-weight:700;}
@media (max-width:600px){.bio-card{flex-direction:column;}}

/* reveal targets, GSAP toggles visibility */
.reveal{opacity:0;transform:translateY(24px);}
.reveal-noop{opacity:1;}

.skip-link{position:absolute;left:-9999px;}
.skip-link:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:999;}

.breadcrumb{font-size:.85rem;color:var(--ink-faint);margin-bottom:16px;}
.breadcrumb a{color:var(--ink-faint);}
.breadcrumb a:hover{color:var(--ink);}