/* ============================================================
   TrainersHub — Design Tokens
   Palette: deep navy ink + confident teal accent, on warm white.
   Type: Inter (sans, for all reading text) + IBM Plex Mono
         (for labels/eyebrows/data — a "console" motif that nods
         to structured simulations without being literal about it).
   ============================================================ */

:root{
  /* Color */
  --navy-950: #0A0F1E;
  --navy-900: #10182B;
  --ink:      #1B2233;
  --body:     #4A5268;
  --muted:    #7B8399;
  --line:     #E4E7EC;
  --bg:       #FFFFFF;
  --bg-soft:  #F5F6F8;
  --bg-navy:  #10182B;
  --teal-600: #0E7C7A;
  --teal-700: #0B615F;
  --teal-050: #EAF5F4;
  --white:    #FFFFFF;

  /* Type */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Layout */
  --container: 1160px;
  --radius: 10px;
  --radius-sm: 6px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-sans);
  color: var(--body);
  background: var(--bg);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }

h1,h2,h3,h4{
  font-family: var(--font-sans);
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 .5em 0;
  font-weight: 700;
}
h1{ font-size: clamp(2.4rem, 4.2vw, 3.4rem); letter-spacing: -0.03em; }
h2{ font-size: clamp(1.7rem, 2.6vw, 2.25rem); }
h3{ font-size: 1.2rem; }
p{ margin: 0 0 1em 0; }
.lede{ font-size: 1.15rem; color: var(--body); }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-600);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.eyebrow::before{
  content: "";
  width: 7px; height: 7px;
  background: var(--teal-600);
  border-radius: 1px;
  display: inline-block;
}
.eyebrow.on-dark{ color: #7FD9D6; }

/* Buttons */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.96rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease, transform .1s ease;
  white-space: nowrap;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{ background: var(--ink); color: var(--white); }
.btn-primary:hover{ background: var(--teal-700); }
.btn-secondary{ background: transparent; color: var(--ink); border-color: var(--line); }
.btn-secondary:hover{ border-color: var(--ink); }
.btn-accent{ background: var(--teal-600); color: var(--white); }
.btn-accent:hover{ background: var(--teal-700); }
.btn-on-dark{ background: var(--white); color: var(--navy-950); }
.btn-on-dark:hover{ background: var(--teal-050); }
.btn-ghost-on-dark{ background: transparent; color: var(--white); border-color: rgba(255,255,255,.28); }
.btn-ghost-on-dark:hover{ border-color: rgba(255,255,255,.6); }
.btn-block{ width:100%; }
.btn-sm{ padding: 9px 16px; font-size: .88rem; }

/* ============ Header / Nav ============ */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  height: 72px;
}
.logo{
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--ink);
  letter-spacing: -0.02em;
  display:flex; align-items:center; gap:9px;
}
.logo .mark{
  width: 26px; height: 26px;
  border-radius: 6px;
  background: linear-gradient(155deg, var(--teal-600), var(--navy-900));
  display:inline-block;
  position: relative;
}
.logo .mark::after{
  content:"";
  position:absolute; inset: 7px;
  border: 1.6px solid rgba(255,255,255,.85);
  border-right-color: transparent;
  border-radius: 3px;
}
.nav-links{
  display:flex; align-items:center; gap: 34px;
}
.nav-links a{
  font-size: .95rem; font-weight: 500; color: var(--body);
  transition: color .15s ease;
  margin-right: 34px;
}
.nav-links a:last-child{ margin-right:0; }
.nav-links a:hover{ color: var(--ink); }
.nav-links a.active{ color: var(--ink); font-weight: 600; }
.nav-cta{ display:flex; align-items:center; gap: 18px; }
.nav-toggle{
  display:none; background:none; border:none; cursor:pointer;
  width: 40px; height: 40px; align-items:center; justify-content:center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; width: 20px; height:2px; background: var(--ink);
  position: relative; transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle span::before{ position:absolute; top:-6px; }
.nav-toggle span::after{ position:absolute; top:6px; }

@media (max-width: 900px){
  .nav-links{
    position: fixed; top: 72px; right: 0; left: 0;
    height: calc(100vh - 72px);
    background: var(--white); z-index: 60;
    flex-direction: column; align-items: flex-start; gap: 0;
    padding: 8px 24px 24px; transform: translateY(-8px);
    opacity: 0; pointer-events: none; transition: opacity .18s ease, transform .18s ease;
    border-top: 1px solid var(--line);
    overflow-y: auto;
  }
  .nav-links.open{ opacity:1; pointer-events:auto; transform: translateY(0); }
  .nav-links a{ padding: 14px 0; width:100%; border-bottom: 1px solid var(--line); margin-right:0; }
  .nav-cta .btn-secondary{ display:none; }
  .nav-toggle{ display:flex; }
}

/* ============ Sections / generic ============ */
section{ padding: 96px 0; }
.section-sm{ padding: 64px 0; }
.section-soft{ background: var(--bg-soft); }
.section-navy{ background: var(--bg-navy); color: rgba(255,255,255,.82); }
.section-navy h1, .section-navy h2, .section-navy h3{ color: var(--white); }
.section-head{ max-width: 640px; margin-bottom: 52px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

.divider{ border:none; border-top:1px solid var(--line); margin: 0; }

/* ============ Hero ============ */
.hero{
  padding: 84px 0 40px;
  position: relative;
  overflow: hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items:center;
}
.hero h1{ margin-bottom: 22px; }
.hero .lede{ max-width: 480px; margin-bottom: 34px; }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; }
.hero-diagram{ width:100%; }
.hero-diagram svg{ width:100%; height:auto; display:block; }

@media (max-width: 860px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-diagram{ order:-1; max-width: 420px; margin: 0 auto; }
}

/* ============ How it works strip ============ */
.steps{
  display:grid; grid-template-columns: repeat(3,1fr); gap: 32px;
}
.step{ position:relative; padding-left: 0; }
.step .num{
  font-family: var(--font-mono);
  color: var(--teal-600);
  font-size: .85rem;
  display:block; margin-bottom: 10px;
}
.step h3{ margin-bottom: 8px; font-size: 1.08rem; }
.step p{ font-size: .96rem; margin:0; color: var(--muted); }
@media (max-width: 760px){ .steps{ grid-template-columns: 1fr; gap: 28px; } }

/* ============ Package / feature cards ============ */
.cards-2{ display:grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.cards-3{ display:grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.cards-4{ display:grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
@media (max-width: 900px){ .cards-2, .cards-3, .cards-4{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px){ .cards-2, .cards-3, .cards-4{ grid-template-columns: 1fr; } }

.card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color .15s ease, transform .15s ease;
}
.card:hover{ border-color: #C9CFDA; }
.card-icon{
  width: 42px; height:42px;
  border-radius: 9px;
  background: var(--teal-050);
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 18px;
  color: var(--teal-600);
}
.card h3{ margin-bottom: 8px; }
.card p{ font-size: .95rem; margin:0; }
.card .card-link{
  display:inline-flex; align-items:center; gap:6px;
  font-size: .9rem; font-weight:600; color: var(--ink); margin-top:18px;
}
.card .card-link svg{ transition: transform .15s ease; }
.card:hover .card-link svg{ transform: translateX(3px); }

.package-card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px;
}
.package-card .tag{
  font-family: var(--font-mono); font-size:.78rem; text-transform:uppercase;
  letter-spacing:.08em; color: var(--teal-600); margin-bottom: 14px; display:block;
}
.package-card h3{ font-size:1.5rem; margin-bottom:10px; }
.package-card .price-from{ color: var(--muted); font-size:.95rem; margin-bottom: 22px; }
.package-card .price-from strong{ color: var(--ink); font-size: 1.5rem; font-weight:700; }
.package-card ul{ margin: 22px 0 26px; }
.package-card ul li{
  display:flex; gap:10px; align-items:flex-start;
  font-size: .95rem; color: var(--body); padding: 6px 0;
}
.package-card ul li svg{ flex-shrink:0; margin-top:3px; color: var(--teal-600); }

/* ============ Category grid (Pre-built page) ============ */
.cat-card{
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; background: var(--white);
}
.cat-card .cat-index{ font-family: var(--font-mono); font-size:.78rem; color: var(--muted); }
.cat-card h3{ margin: 10px 0 6px; font-size: 1.05rem; }
.cat-card p{ font-size: .92rem; margin:0; color: var(--muted); }

/* ============ Process (Custom page) ============ */
.process{ display:grid; grid-template-columns: repeat(4,1fr); gap: 0; position:relative; }
.process-step{ padding: 0 22px 0 0; position:relative; }
.process-step:not(:last-child)::after{
  content:""; position:absolute; top: 20px; right: 0; width: 22px; height:1px;
  background: var(--line);
}
.process-step .idx{
  font-family: var(--font-mono); color: var(--teal-600); font-size:.85rem;
  display:block; margin-bottom: 12px;
}
.process-step h3{ font-size: 1.02rem; margin-bottom: 6px; }
.process-step p{ font-size: .9rem; margin:0; color: var(--muted); }
@media (max-width: 860px){
  .process{ grid-template-columns: 1fr 1fr; row-gap: 30px; }
  .process-step:nth-child(2)::after{ display:none; }
}
@media (max-width: 560px){
  .process{ grid-template-columns: 1fr; }
  .process-step::after{ display:none !important; }
}

/* ============ Pricing tables ============ */
.pricing-table{
  width:100%; border-collapse: collapse;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  overflow:hidden;
}
.pricing-table th, .pricing-table td{
  text-align:left; padding: 16px 20px; border-bottom: 1px solid var(--line);
  font-size: .94rem; vertical-align: top;
}
.pricing-table th{
  font-family: var(--font-mono); font-size:.76rem; text-transform:uppercase;
  letter-spacing:.06em; color: var(--muted); background: var(--bg-soft); font-weight:600;
}
.pricing-table tr:last-child td{ border-bottom:none; }
.pricing-table td.tier{ font-weight:700; color: var(--ink); white-space:nowrap; }
.pricing-table td.price{ font-family: var(--font-mono); font-weight:600; color: var(--teal-700); white-space:nowrap; }
.table-wrap{ overflow-x:auto; }
.addon-note{
  margin-top: 18px; font-size: .92rem; color: var(--muted);
  background: var(--bg-soft); border: 1px dashed var(--line); border-radius: var(--radius-sm);
  padding: 14px 18px;
}

/* ============ FAQ accordion ============ */
.faq-item{ border-bottom: 1px solid var(--line); }
.faq-item:first-child{ border-top: 1px solid var(--line); }
.faq-q{
  width:100%; text-align:left; background:none; border:none; cursor:pointer;
  display:flex; align-items:center; justify-content:space-between;
  padding: 22px 2px; font-size: 1.02rem; font-weight: 600; color: var(--ink);
}
.faq-q .plus{ font-family: var(--font-mono); color: var(--teal-600); font-size:1.2rem; transition: transform .18s ease; }
.faq-item.open .faq-q .plus{ transform: rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition: max-height .22s ease; }
.faq-a p{ padding: 0 2px 22px; margin:0; font-size:.96rem; color: var(--body); max-width: 640px; }

/* ============ Stats / social proof ============ */
.stat-row{ display:grid; grid-template-columns: repeat(4,1fr); gap: 24px; text-align:center; }
.stat-row .stat-num{
  font-family: var(--font-mono); font-weight:700; font-size: 2.1rem; color: var(--ink); display:block;
}
.stat-row .stat-label{ font-size: .88rem; color: var(--muted); }
@media (max-width: 700px){ .stat-row{ grid-template-columns: 1fr 1fr; row-gap: 30px; } }

.quote-card{
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; background: var(--white);
}
.quote-card p{ font-size: 1.02rem; color: var(--ink); margin-bottom: 18px; }
.quote-card .who{ font-size: .88rem; color: var(--muted); font-family: var(--font-mono); }

.logo-strip{
  display:flex; flex-wrap:wrap; gap: 40px; align-items:center; justify-content:space-between;
  opacity: .55; filter: grayscale(1);
}
.logo-strip span{ font-weight:700; letter-spacing:-0.02em; font-size:1.05rem; color: var(--ink); }

/* ============ CTA band ============ */
.cta-band{
  background: var(--navy-950);
  border-radius: 18px;
  padding: 56px 48px;
  display:flex; align-items:center; justify-content:space-between; gap: 28px;
  flex-wrap: wrap;
}
.cta-band h2{ color:var(--white); margin-bottom:6px; font-size: 1.6rem; }
.cta-band p{ color: rgba(255,255,255,.65); margin:0; }

/* ============ Forms ============ */
.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field{ display:flex; flex-direction:column; gap: 8px; margin-bottom: 20px; }
.form-field.full{ grid-column: 1 / -1; }
.form-field label{ font-size: .88rem; font-weight:600; color: var(--ink); }
.form-field input, .form-field select, .form-field textarea{
  font-family: var(--font-sans); font-size: .96rem; color: var(--ink);
  padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--white); outline: none; transition: border-color .15s ease;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  border-color: var(--teal-600);
}
.form-field textarea{ resize: vertical; min-height: 120px; }
.form-note{ font-size:.85rem; color: var(--muted); margin-top: 4px; }
@media (max-width: 700px){ .form-grid{ grid-template-columns: 1fr; } }

.contact-grid{ display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; }
@media (max-width: 860px){ .contact-grid{ grid-template-columns: 1fr; } }
.contact-info-item{ display:flex; gap:14px; padding: 18px 0; border-bottom:1px solid var(--line); }
.contact-info-item:last-child{ border-bottom:none; }
.contact-info-item .icon{ color: var(--teal-600); flex-shrink:0; }
.contact-info-item h3{ font-size: .95rem; margin-bottom: 3px; }
.contact-info-item p{ margin:0; font-size:.92rem; color: var(--muted); }
.map-embed{
  border: 1px solid var(--line); border-radius: var(--radius); overflow:hidden; margin-top: 24px; height: 220px;
}
.map-embed iframe{ width:100%; height:100%; border:0; display:block; }

/* ============ Footer ============ */
.site-footer{ background: var(--navy-950); color: rgba(255,255,255,.6); padding: 64px 0 28px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand .logo{ color: var(--white); margin-bottom: 14px; }
.footer-brand p{ font-size:.92rem; max-width: 280px; }
.footer-col h4{
  font-family: var(--font-mono); font-size:.75rem; text-transform:uppercase; letter-spacing:.08em;
  color: rgba(255,255,255,.85); margin-bottom: 16px; font-weight:600;
}
.footer-col a, .footer-col p{ display:block; font-size: .92rem; margin-bottom: 11px; color: rgba(255,255,255,.6); }
.footer-col a:hover{ color: var(--white); }
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,.12); padding-top: 24px;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
  font-size: .84rem;
}
@media (max-width: 800px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px){ .footer-grid{ grid-template-columns: 1fr; } }

/* ============ Page hero (inner pages) ============ */
.page-hero{ padding: 64px 0 20px; }
.page-hero .lede{ max-width: 620px; }

/* ============ Utilities ============ */
.mt-0{ margin-top:0; } .mb-0{ margin-bottom:0; }
.text-center{ text-align:center; }
.center-col{ max-width: 640px; margin: 0 auto; }