/* ---------- Design tokens ---------- */
:root{
  --ink: #10241f;
  --ink-soft: #3a4f49;
  --paper: #faf8f2;
  --paper-tint: #f1efe4;
  --card: #ffffff;
  --border: rgba(16,36,31,0.10);
  --border-strong: rgba(16,36,31,0.18);

  --teal-900: #0b3d36;
  --teal-700: #0f5c50;
  --teal-500: #157a68;
  --teal-100: #e3efe9;

  --amber-600: #c42710;
  --amber-500: #f2542c;
  --amber-300: #ff8a65;
  --amber-100: #fce3dc;

  --font-head: 'Sora', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 28px;

  --shadow-card: 0 1px 2px rgba(16,36,31,0.04), 0 8px 24px rgba(16,36,31,0.06);
  --shadow-card-hover: 0 4px 8px rgba(16,36,31,0.06), 0 16px 40px rgba(16,36,31,0.10);

  --dur: 0.6s;
  --ease: cubic-bezier(.22,.9,.32,1);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
h1,h2,h3{ font-family: var(--font-head); color: var(--teal-900); margin:0 0 0.5em; line-height:1.15; letter-spacing:-0.01em; }
h1{ font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight:700; }
h2{ font-size: clamp(1.8rem, 3.2vw, 2.6rem); font-weight:700; }
h3{ font-size: 1.25rem; font-weight:600; }
p{ margin: 0 0 1em; color: var(--ink-soft); }
.container{ max-width:1180px; margin:0 auto; padding: 0 24px; }
section.section{ padding: 100px 0; }
.section-tint{ background: var(--paper-tint); }

.grain-overlay{
  position: fixed; inset:0; pointer-events:none; z-index: 9999;
  opacity: 0.025; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.kicker{
  font-family: var(--font-head); font-weight:600; font-size: 0.85rem;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--amber-600);
  margin-bottom: 0.6em;
}
.eyebrow{
  font-family: var(--font-head); font-weight:600; font-size: 0.95rem;
  letter-spacing: 0.04em; text-transform: uppercase; color: var(--teal-500);
  margin-bottom: 1.2em;
}
.section-head{ max-width: 720px; margin: 0 0 3rem; }
.section-lead{ font-size: 1.1rem; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:0.5em; justify-content:center;
  padding: 0.9em 1.6em; border-radius: 999px; font-family: var(--font-head);
  font-weight:600; font-size: 0.95rem; border: 1.5px solid transparent;
  cursor:pointer; transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), color .25s var(--ease);
  white-space: nowrap;
}
.btn-primary{ background: var(--teal-700); color:#fff; box-shadow: 0 6px 20px rgba(15,92,80,0.28); }
.btn-primary:hover{ background: var(--teal-900); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(15,92,80,0.35); }
.btn-ghost{ background: transparent; color: var(--teal-900); border-color: var(--border-strong); }
.btn-ghost:hover{ background: var(--card); border-color: var(--teal-700); transform: translateY(-2px); }
.btn-lg{ padding: 1.05em 2em; font-size: 1rem; }
.btn-block{ width:100%; }
.arrow{ display:inline-block; transition: transform 0.25s var(--ease); }
.btn:hover .arrow, .course-link:hover .arrow{ transform: translateX(4px); }

/* ---------- Header ---------- */
.site-header{
  position: sticky; top:0; z-index: 500;
  background: rgba(250,248,242,0.82); backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.site-header.scrolled{ border-color: var(--border); box-shadow: 0 2px 20px rgba(16,36,31,0.04); }
.header-inner{ display:flex; align-items:center; gap: 2rem; height: 78px; }
.logo{ display:flex; align-items:center; gap:0.6em; margin-right:auto; }
.logo-img{ height:32px; width:auto; display:block; }
.main-nav{ display:flex; gap: 1.9rem; }
.nav-link{
  font-family: var(--font-head); font-weight:500; font-size:0.92rem; color: var(--ink-soft);
  position: relative; padding: 4px 0; transition: color .2s ease;
}
.nav-link::after{
  content:''; position:absolute; left:0; right:100%; bottom:-2px; height:2px; background: var(--amber-500);
  transition: right .25s var(--ease);
}
.nav-link:hover{ color: var(--teal-900); }
.nav-link:hover::after{ right:0; }
.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px; }
.nav-toggle span{ width:22px; height:2px; background: var(--teal-900); border-radius:2px; transition: all .3s ease; }

/* ---------- Hero ---------- */
.hero{ position: relative; overflow:hidden; padding-top: 90px; }
.hero-bg{ position:absolute; inset:0; z-index:0; overflow:hidden; }
.hero-blob{ position:absolute; border-radius:50%; filter: blur(60px); opacity:0.35; }
.blob-1{ width:520px; height:520px; background: radial-gradient(circle, var(--teal-100), transparent 70%); top:-180px; right:-120px; }
.blob-2{ width:420px; height:420px; background: radial-gradient(circle, var(--amber-100), transparent 70%); bottom:-160px; left:-100px; }
.hero-grid{ position:absolute; inset:0; width:100%; height:100%; color: var(--teal-900); opacity:0.05; }
.hero-inner{ position:relative; z-index:1; padding: 3.5rem 24px 4.5rem; text-align:center; max-width: 880px; }
.hero-title{ margin-bottom: 0.5em; }
.hero-rotator{ position: relative; display:inline-block; min-width: 1ch; color: var(--teal-700); vertical-align: top; }
.rotator-word{
  position:absolute; left:0; top:0; white-space:nowrap; opacity:0; transform: translateY(14px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.rotator-word.is-active{ position:static; opacity:1; transform:none; }
.rotator-word.is-leaving{ position:absolute; opacity:0; transform: translateY(-14px); }
.hero-sub{ font-size: 1.15rem; max-width: 680px; margin: 0 auto 2em; }
.hero-ctas{ display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; }

.stats-bar{ position:relative; z-index:1; border-top: 1px solid var(--border); background: rgba(255,255,255,0.5); }
.stats-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; padding: 2.2rem 24px; }
.stat{ text-align:center; }
.stat-num{ display:block; font-family: var(--font-head); font-weight:700; font-size: clamp(1.8rem,3vw,2.4rem); color: var(--teal-900); }
.stat-label{ font-size: 0.85rem; color: var(--ink-soft); }

/* ---------- Retention panel ---------- */
.retention-panel{
  background: var(--card); border-radius: var(--radius-lg); border:1px solid var(--border);
  padding: clamp(2rem,4vw,3.2rem); display:grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items:center;
  box-shadow: var(--shadow-card); margin-bottom: 4rem;
}
.retention-bars{ display:flex; flex-direction:column; gap: 1.4rem; }
.rbar-track{ height: 10px; border-radius: 999px; background: var(--paper-tint); overflow:hidden; margin-bottom: 0.5em; }
.rbar-fill{ height:100%; width:0; border-radius:999px; background: linear-gradient(90deg, var(--teal-500), var(--amber-500)); transition: width 1.1s var(--ease); }
.rbar-label{ font-size: 0.95rem; color: var(--ink-soft); }
.rbar-pct{ font-family: var(--font-head); font-weight:700; color: var(--teal-900); }
.retention-note{ font-size: 1.02rem; }
.retention-note strong{ color: var(--teal-900); }

.how-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.how-card{
  background: var(--card); border:1px solid var(--border); border-radius: var(--radius-md);
  padding: 2rem; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.how-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: var(--border-strong); }
.how-icon{
  width:48px; height:48px; border-radius: 12px; background: var(--teal-100); color: var(--teal-700);
  display:flex; align-items:center; justify-content:center; margin-bottom: 1.2rem;
}
.how-icon svg{ width:24px; height:24px; }
.how-card p{ font-size: 0.96rem; margin:0; }

/* ---------- Benefits ---------- */
.benefit-list{ display:flex; flex-direction:column; gap: 0; }
.benefit-row{
  display:grid; grid-template-columns: 90px 1fr; gap: 2rem; padding: 2.6rem 0;
  border-bottom: 1px solid var(--border);
}
.benefit-row:first-child{ padding-top:0; }
.benefit-row:last-child{ border-bottom:none; }
.benefit-num{ font-family: var(--font-head); font-weight:700; font-size: 2.2rem; color: var(--border-strong); }
.benefit-body h3{ margin-bottom: 0.5em; }
.whakatauki{
  margin: 1.2em 0 0; padding-left: 1.2em; border-left: 3px solid var(--amber-500);
}
.whakatauki p{ font-family: var(--font-head); font-style: italic; font-size: 1.05rem; color: var(--teal-700); margin:0 0 0.25em; }
.whakatauki cite{ font-size: 0.88rem; color: var(--ink-soft); font-style:normal; }

/* ---------- Beyond ---------- */
.beyond-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.beyond-card{
  background: var(--card); border:1px solid var(--border); border-radius: var(--radius-md);
  padding: 2.4rem; transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.beyond-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.beyond-note{ font-size: 0.9rem; color: var(--teal-700); font-weight:500; margin:0; }

/* ---------- Courses ---------- */
.course-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.course-card{
  background: var(--card); border:1px solid var(--border); border-radius: var(--radius-md);
  padding: 2rem; display:flex; flex-direction:column;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.course-card:hover{ transform: translateY(-5px); box-shadow: var(--shadow-card-hover); border-color: var(--teal-500); }
.course-tag{
  display:inline-block; align-self:flex-start; font-family: var(--font-head); font-size:0.72rem; font-weight:600;
  letter-spacing:0.04em; text-transform:uppercase; color: var(--amber-600); background: var(--amber-100);
  padding: 0.35em 0.8em; border-radius:999px; margin-bottom:1em;
}
.course-card h3{ font-size: 1.1rem; }
.course-card p{ font-size:0.92rem; flex:1; }
.course-link{ font-family: var(--font-head); font-weight:600; font-size:0.9rem; color: var(--teal-700); margin-top:0.5em; }

/* ---------- About ---------- */
.about-grid{ display:grid; grid-template-columns: 320px 1fr; gap: 3.5rem; align-items:start; }
.about-avatar-img{
  width: 100%; aspect-ratio: 4/5; object-fit: cover; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.qual-tags{ display:flex; flex-wrap:wrap; gap: 0.6rem; margin: 1.6rem 0 2rem; }
.qual-tag{
  font-size:0.85rem; font-weight:500; color: var(--teal-900); background: var(--teal-100);
  padding: 0.5em 1em; border-radius: 999px;
}

/* ---------- Testimonials ---------- */
.testimonial-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.testimonial-card{
  margin:0; background: var(--card); border:1px solid var(--border); border-radius: var(--radius-md);
  padding: 1.8rem; transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.testimonial-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.testimonial-card p{ font-family: var(--font-head); font-size:1.02rem; color: var(--teal-900); margin-bottom:0.8em; }
.testimonial-card cite{ font-size:0.85rem; color: var(--ink-soft); font-style:normal; }

/* ---------- FAQ ---------- */
.faq-list{ max-width: 800px; }
.faq-item{ border-bottom: 1px solid var(--border); }
.faq-q{
  width:100%; display:flex; justify-content:space-between; align-items:center; gap:1rem;
  background:none; border:none; text-align:left; cursor:pointer;
  font-family: var(--font-head); font-weight:600; font-size: 1.05rem; color: var(--teal-900);
  padding: 1.4rem 0;
}
.faq-icon{ position:relative; width:20px; height:20px; flex:none; }
.faq-icon::before, .faq-icon::after{
  content:''; position:absolute; background: var(--teal-700); border-radius:2px; transition: transform .3s var(--ease);
}
.faq-icon::before{ width:100%; height:2px; top:9px; left:0; }
.faq-icon::after{ width:2px; height:100%; left:9px; top:0; }
.faq-item.open .faq-icon::after{ transform: rotate(90deg); }
.faq-a{ max-height:0; overflow:hidden; transition: max-height .4s var(--ease); }
.faq-a p{ padding-bottom: 1.4rem; margin:0; font-size:0.98rem; }

/* ---------- Contact ---------- */
.contact-section{ background: var(--teal-900); }
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items:start; }
.contact-intro h2{ color:#fff; }
.contact-intro p{ color: rgba(255,255,255,0.72); }
.contact-intro .kicker{ color: var(--amber-300); }
.contact-details{ display:flex; flex-direction:column; gap:0.9rem; margin-top:1.6rem; }
.contact-line{ display:flex; align-items:center; gap:0.7em; color:#fff; font-family: var(--font-head); font-weight:600; transition: color .2s ease; }
.contact-line:hover{ color: var(--amber-300); }
.contact-icon{ width:34px; height:34px; border-radius:50%; background: rgba(255,255,255,0.1); display:flex; align-items:center; justify-content:center; flex:none; }

.contact-form{ background: var(--card); border-radius: var(--radius-lg); padding: 2.2rem; box-shadow: var(--shadow-card); }
.form-row{ margin-bottom: 1.2rem; }
.form-row-split{ display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
.contact-form label{ display:block; font-family: var(--font-head); font-weight:600; font-size:0.85rem; color: var(--teal-900); margin-bottom:0.4em; }
.contact-form input, .contact-form textarea{
  width:100%; padding: 0.85em 1em; border-radius: var(--radius-sm); border: 1.5px solid var(--border);
  font-family: var(--font-body); font-size:0.95rem; color: var(--ink); background: var(--paper);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.contact-form input:focus, .contact-form textarea:focus{
  outline:none; border-color: var(--teal-500); box-shadow: 0 0 0 3px var(--teal-100);
}
.hidden-field{ position:absolute; left:-9999px; }

/* ---------- Footer ---------- */
.site-footer{ padding: 2.4rem 0; border-top: 1px solid var(--border); }
.footer-inner{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:1rem; }
.footer-brand{ display:flex; align-items:center; gap:0.6em; }
.footer-inner p{ margin:0; font-size:0.85rem; }

/* ---------- Scroll progress ---------- */
.scroll-progress{
  position: fixed; top:0; left:0; height:3px; width:0%; z-index:1000;
  background: linear-gradient(90deg, var(--teal-500), var(--amber-500));
  transition: width 0.1s linear;
}

/* ---------- Reveal-on-scroll ---------- */
.reveal{ opacity:0; transform: translateY(28px); transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease); }
.reveal.in-view{ opacity:1; transform:none; }
.reveal[data-delay="1"]{ transition-delay: .08s; }
.reveal[data-delay="2"]{ transition-delay: .16s; }
.reveal[data-delay="3"]{ transition-delay: .24s; }
.reveal[data-delay="4"]{ transition-delay: .32s; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; transition:none; }
  .rotator-word{ transition:none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .main-nav, .nav-cta{ display:none; }
  .nav-toggle{ display:flex; }
  .retention-panel{ grid-template-columns:1fr; }
  .how-grid, .beyond-grid, .course-grid, .testimonial-grid{ grid-template-columns: repeat(2,1fr); }
  .about-grid{ grid-template-columns:1fr; }
  .about-avatar{ max-width:220px; }
  .contact-grid{ grid-template-columns:1fr; }
  .stats-grid{ grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 640px){
  section.section{ padding: 64px 0; }
  .how-grid, .beyond-grid, .course-grid, .testimonial-grid{ grid-template-columns: 1fr; }
  .benefit-row{ grid-template-columns: 1fr; gap:0.6rem; }
  .form-row-split{ grid-template-columns:1fr; }
  .hero-ctas{ flex-direction:column; align-items:stretch; }
}

/* Mobile nav open state */
.main-nav.open{
  display:flex; position:absolute; top:78px; left:0; right:0; background: var(--paper);
  flex-direction:column; padding: 1.5rem 24px; gap:1.2rem; border-bottom:1px solid var(--border);
  box-shadow: var(--shadow-card);
}