/* =========================================================================
   XLK9 — Pre-Kickstarter Landing Page
   Hand-rolled modern CSS (no build step). Design tokens live in :root.
   Structure: Tokens -> Reset -> Layout utilities -> Components -> Sections
   ========================================================================= */

/* ---------- Tokens ---------------------------------------------------- */
:root{
  /* Brand — locked */
  --forest:      #1A2F1A;   /* Deep Forest Green  Pantone 5535 C */
  --forest-700:  #24402A;
  --sage:        #5C7A5C;   /* Sage Green         Pantone 7494 C */
  --terracotta:  #C45C26;   /* Terracotta Orange  Pantone 7618 C */
  --terracotta-600:#A9491C;
  /* Text-safe tint of terracotta for small labels on dark sections (forest/
     plum) — the swatch itself is unchanged everywhere else; this exists
     only so on-dark eyebrow labels clear WCAG AA (4.5:1) body-text contrast. */
  --terracotta-tint:#EFB590;

  /* Brand — supporting (approximated from packaging system; swap for exact
     spot values once the brand PDF's swatch build is available as data) */
  --brass:  #A67C3D;
  --steel:  #4A6B7C;
  --slate:  #2F4550;
  --plum:   #5C4A5C;

  /* Neutrals — warm, paper-toned to sit next to the topo/photo system */
  --paper:      #FBF9F4;
  --cream:      #F3EEE2;
  --cream-600:  #E8E0CC;
  --ink:        #16190F;
  --ink-70:     rgba(22,25,15,.7);
  --ink-50:     rgba(22,25,15,.52);
  --line:       rgba(22,25,15,.12);
  --line-soft:  rgba(22,25,15,.08);
  --on-dark:    #F3EEE2;
  --on-dark-70: rgba(243,238,226,.72);
  --on-dark-45: rgba(243,238,226,.45);
  --on-dark-line: rgba(243,238,226,.16);

  /* Type */
  --font-display: 'Archivo Black', 'Archivo', Impact, 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Fluid scale */
  --fs-xs:   clamp(.75rem, .72rem + .12vw, .82rem);
  --fs-sm:   clamp(.875rem, .84rem + .16vw, .95rem);
  --fs-base: clamp(1rem, .96rem + .18vw, 1.08rem);
  --fs-lg:   clamp(1.15rem, 1.08rem + .3vw, 1.35rem);
  --fs-xl:   clamp(1.4rem, 1.25rem + .7vw, 1.85rem);
  --fs-2xl:  clamp(1.9rem, 1.6rem + 1.4vw, 2.6rem);
  --fs-3xl:  clamp(2.4rem, 1.9rem + 2.4vw, 3.6rem);
  --fs-4xl:  clamp(3rem, 2.1rem + 4.2vw, 5.4rem);

  /* Spacing rhythm */
  --sp-1: .5rem; --sp-2: .875rem; --sp-3: 1.25rem; --sp-4: 1.75rem;
  --sp-5: 2.5rem; --sp-6: 3.5rem; --sp-7: 5rem; --sp-8: 7.5rem; --sp-9: 10rem;

  --radius-sm: 6px;
  --radius: 14px;
  --radius-lg: 26px;
  --container: 1240px;
  --ease: cubic-bezier(.22,.68,0,1);
}

/* ---------- Reset ------------------------------------------------------ */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}
body,h1,h2,h3,h4,p,figure{ margin:0; }
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
input,select{ font:inherit; }
svg{ display:block; }

body{
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  font-size: var(--fs-base);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 400; /* Archivo Black is a single heavy weight */
  line-height: 1.02;
  letter-spacing: -.01em;
  text-wrap: balance;
}

.container{
  width:100%;
  max-width: var(--container);
  margin-inline:auto;
  padding-inline: var(--sp-3);
}
@media (min-width:640px){ .container{ padding-inline: var(--sp-5); } }
@media (min-width:1024px){ .container{ padding-inline: var(--sp-6); } }

section[id]{ scroll-margin-top: 96px; }
.section{ padding-block: var(--sp-7); position:relative; }
@media (min-width:1024px){ .section{ padding-block: var(--sp-8); } }
.section--tight{ padding-block: var(--sp-6); }
.section--dark{ background: var(--forest); color: var(--on-dark); }
.section--cream{ background: var(--cream); }
.section--plum{ background: var(--plum); color: var(--on-dark); }

.eyebrow{
  display:inline-flex; align-items:center; gap:.55em;
  font-family: var(--font-body); font-weight:700; font-size: var(--fs-xs);
  /* terracotta-600 (not the base swatch) so this small label text clears
     4.5:1 against both --cream and --paper — see contrast audit notes. */
  letter-spacing:.16em; text-transform:uppercase; color: var(--terracotta-600);
  margin-bottom: var(--sp-2);
}
.eyebrow::before{
  content:''; width:1.4em; height:2px; background: var(--terracotta); display:inline-block;
}
.section--dark .eyebrow, .section--plum .eyebrow{ color: var(--terracotta-tint); }
.section--dark .eyebrow::before, .section--plum .eyebrow::before{ background:#E8955F; }

.h-kicker{ color: var(--ink-50); }

.lede{
  font-size: var(--fs-lg);
  color: var(--ink-70);
  max-width: 46ch;
}
.section--dark .lede,.section--plum .lede{ color: var(--on-dark-70); }

/* ---------- Buttons ------------------------------------------------------ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.55rem;
  padding: 1rem 1.7rem; border-radius: 999px;
  font-weight:700; font-size: var(--fs-sm); letter-spacing:.01em;
  white-space:nowrap; cursor:pointer;
  transition: transform .22s var(--ease), background-color .2s ease, box-shadow .3s ease, color .2s ease, border-color .2s ease;
  will-change: transform;
}
.btn:active{ transform: scale(.97); transition-duration: .12s; }
.btn:focus-visible{ outline: 2px solid var(--terracotta); outline-offset: 3px; }
.section--dark .btn:focus-visible, .section--plum .btn:focus-visible, .hero .btn:focus-visible{ outline-color: #fff; }

/* ---------- Keyboard focus (global fallback) ----------------------------
   .btn already gets its own outline above; this covers every other
   interactive element (nav/footer links, FAQ question buttons, the mobile
   menu toggle, etc.) that didn't previously have an explicit focus style
   and was relying on inconsistent browser defaults. Only shows for
   keyboard focus (:focus-visible), so it has no effect on the resting
   visual design. */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--terracotta); outline-offset: 3px; border-radius: 2px;
}
.section--dark a:focus-visible, .section--plum a:focus-visible, .hero a:focus-visible, .mobile-menu a:focus-visible,
.section--dark button:focus-visible, .section--plum button:focus-visible, .hero button:focus-visible{
  outline-color: #fff;
}

/* ---------- Skip link ----------------------------------------------------
   Off-screen until keyboard-focused; lets keyboard/screen-reader users
   jump past the header straight to <main>. No visual footprint otherwise. */
.skip-link{
  position:absolute; left:-9999px; top:0; z-index:1000;
  background: var(--forest); color:#fff; font-weight:700; font-size: var(--fs-sm);
  padding:.85rem 1.25rem; border-radius: 0 0 10px 0;
}
.skip-link:focus{ left:0; outline: 2px solid #fff; outline-offset:-2px; }
.btn--primary{
  background: var(--terracotta); color:#fff;
  box-shadow: 0 1px 2px rgba(0,0,0,.08), 0 10px 24px -10px rgba(196,92,38,.55);
}
.btn--primary:hover{ background: var(--terracotta-600); transform: translateY(-2px); box-shadow: 0 16px 32px -12px rgba(196,92,38,.6); }
.btn--ghost{
  background: transparent; color: var(--ink); border: 1.5px solid var(--line);
}
.btn--ghost:hover{ border-color: var(--ink); background: rgba(22,25,15,.03); transform: translateY(-2px); }
.section--dark .btn--ghost, .section--plum .btn--ghost, .hero .btn--ghost{ color: var(--on-dark); border-color: var(--on-dark-line); }
.section--dark .btn--ghost:hover, .section--plum .btn--ghost:hover, .hero .btn--ghost:hover{ border-color: var(--on-dark); background: rgba(255,255,255,.06); }
.btn--light{
  background: var(--paper); color: var(--forest);
}
.btn--light:hover{ transform: translateY(-2px); background:#fff; }
.btn--block{ width:100%; }
.btn--lg{ padding: 1.15rem 2.1rem; font-size: var(--fs-base); }

/* arrow glyph used inside buttons */
.i-arrow{ width:16px; height:16px; flex:none; transition: transform .25s var(--ease); }
.btn:hover .i-arrow{ transform: translateX(3px); }

/* ---------- Nav ------------------------------------------------------- */
.nav{
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  padding-block: 1.15rem;
  transition: background-color .4s ease, padding .4s ease, box-shadow .4s ease, border-color .4s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled{
  background: rgba(251,249,244,.86);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  padding-block: .7rem;
  border-color: var(--line-soft);
}
.nav__inner{ display:flex; align-items:center; justify-content:space-between; gap: var(--sp-3); }
.brand{ display:flex; align-items:center; gap:.6rem; }
.brand img{ height: 30px; width:auto; transition: filter .4s ease, opacity .18s ease; }
.brand__word{
  font-family: var(--font-display); font-size: 1.15rem; letter-spacing:.02em; color:#fff;
  transition: color .4s ease;
}
.nav.is-scrolled .brand__word{ color: var(--forest); }
.nav.is-scrolled .brand img{ filter: none; }

.nav__links{ display:none; align-items:center; gap: var(--sp-5); }
.nav__links a{
  font-size: var(--fs-sm); font-weight:600; color: rgba(255,255,255,.86);
  position:relative; padding-block:.25rem; transition: color .3s ease;
}
.nav.is-scrolled .nav__links a{ color: var(--ink-70); }
.nav__links a::after{
  content:''; position:absolute; left:0; right:100%; bottom:-2px; height:2px; background: var(--terracotta);
  transition: right .3s var(--ease);
}
.nav__links a:hover{ color:#fff; }
.nav.is-scrolled .nav__links a:hover{ color: var(--ink); }
.nav__links a:hover::after{ right:0; }
@media (min-width:900px){ .nav__links{ display:flex; } }

.nav__cta{ display:none; }
@media (min-width:900px){ .nav__cta{ display:inline-flex; } }

.nav__burger{
  display:inline-flex; width:42px; height:42px; align-items:center; justify-content:center;
  border-radius:50%; border:1.5px solid rgba(255,255,255,.35);
  transition: border-color .25s ease, background-color .25s ease;
}
.nav__burger:hover{ background: rgba(255,255,255,.08); }
.nav.is-scrolled .nav__burger{ border-color: var(--line); }
.nav.is-scrolled .nav__burger:hover{ background: rgba(22,25,15,.05); }
.nav__burger span, .nav__burger::before, .nav__burger::after{ content:''; }
.nav__burger-icon{ position:relative; width:18px; height:12px; }
.nav__burger-icon span{
  position:absolute; left:0; right:0; height:2px; background:#fff; transition: transform .3s ease, opacity .3s ease, background-color .3s ease;
}
.nav.is-scrolled .nav__burger-icon span{ background: var(--ink); }
.nav__burger-icon span:nth-child(1){ top:0; }
.nav__burger-icon span:nth-child(2){ top:5px; }
.nav__burger-icon span:nth-child(3){ top:10px; }
body.menu-open .nav__burger-icon span:nth-child(1){ transform: translateY(5px) rotate(45deg); }
body.menu-open .nav__burger-icon span:nth-child(2){ opacity:0; }
body.menu-open .nav__burger-icon span:nth-child(3){ transform: translateY(-5px) rotate(-45deg); }
@media (min-width:900px){ .nav__burger{ display:none; } }

.mobile-menu{
  position: fixed; inset:0; z-index:99; background: var(--forest);
  display:flex; flex-direction:column; justify-content:center; padding: var(--sp-6) var(--sp-4);
  opacity:0; visibility:hidden; transform: translateY(-8px);
  transition: opacity .35s var(--ease), transform .35s var(--ease), visibility 0s linear .35s;
}
body.menu-open .mobile-menu{ opacity:1; visibility:visible; transform:none; transition: opacity .35s var(--ease), transform .35s var(--ease); }
.mobile-menu a{
  font-family: var(--font-display); font-size: var(--fs-2xl); color:#fff; padding-block:.45rem; display:block;
  transition: color .25s ease, transform .25s var(--ease);
}
.mobile-menu a:active{ color: var(--terracotta); transform: translateX(4px); }
.mobile-menu .btn{ margin-top: var(--sp-4); }
.mobile-menu__foot{ margin-top: var(--sp-5); color: var(--on-dark-45); font-size: var(--fs-sm); }

/* ---------- Reveal on scroll (below-the-fold; JS/IntersectionObserver-driven) --- */
.reveal{ opacity:0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible{ opacity:1; transform:none; }
.reveal-stagger > *{ transition-delay: calc(var(--i, 0) * 90ms); }

/* ---------- Hero entrance (pure CSS — always plays on load, no JS dependency) --- */
/* Deliberately NOT part of the .reveal/IntersectionObserver system above: hero
   content is above the fold and must render on first paint with zero risk of
   getting stuck invisible if JS is slow, errors, or an observer never fires. */
@keyframes heroIn{ from{ opacity:0; transform: translateY(18px); } to{ opacity:1; transform:none; } }
.hero-in{ opacity:0; animation: heroIn .7s var(--ease) both; animation-delay: calc(var(--i, 0) * 90ms); }
.hero__art.hero-in{ animation-duration: .8s; }

/* ---------- Hero -------------------------------------------------------- */
.hero{
  position:relative;
  background: var(--forest);
  color: var(--on-dark);
  padding-top: clamp(6.5rem, 5.6rem + 3.5vw, 9.5rem);
  padding-bottom: var(--sp-7);
  overflow:hidden;
}
.hero::before{
  content:''; position:absolute; inset:0;
  background-image: url('../images/pattern/topo-pattern.webp');
  background-size: cover; background-position: center 30%;
  opacity:.16; mix-blend-mode: luminosity;
  pointer-events:none;
}
.hero::after{
  content:''; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(26,47,26,.15) 0%, var(--forest) 92%);
  pointer-events:none;
}
.hero__inner{ position:relative; z-index:2; }
.hero__grid{
  display:grid; gap: var(--sp-6); align-items:center;
}
@media (min-width:960px){
  .hero__grid{ grid-template-columns: 1.05fr .95fr; gap: var(--sp-7); }
}
.hero__badge{
  display:inline-flex; align-items:center; gap:.6rem;
  background: rgba(255,255,255,.08); border:1px solid var(--on-dark-line);
  padding:.5rem .9rem; border-radius:999px; font-size: var(--fs-xs); font-weight:700;
  letter-spacing:.08em; text-transform:uppercase; margin-bottom: var(--sp-3);
}
.hero__badge .dot{ width:7px; height:7px; border-radius:50%; background: var(--terracotta); box-shadow:0 0 0 4px rgba(196,92,38,.25); }
.hero h1{
  font-size: var(--fs-4xl);
  color:#fff;
}
.hero h1 .accent{ color: var(--terracotta); }
.hero__sub{
  margin-top: var(--sp-3); font-size: var(--fs-lg); color: var(--on-dark-70); max-width: 46ch;
}
.hero__ctas{ display:flex; flex-wrap:wrap; gap: var(--sp-2); margin-top: var(--sp-5); }
.hero__trust{
  display:flex; flex-wrap:wrap; gap: var(--sp-4); margin-top: var(--sp-6);
  padding-top: var(--sp-4); border-top:1px solid var(--on-dark-line);
}
.trust-item{ display:flex; align-items:center; gap:.55rem; font-size: var(--fs-xs); font-weight:600; color: var(--on-dark-70); letter-spacing:.02em; }
.trust-item svg{ flex:none; color: var(--terracotta); }

.hero__art{ position:relative; }
.hero__frame{
  position:relative; border-radius: var(--radius-lg); overflow:hidden;
  aspect-ratio: 4 / 4.35;
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.55);
  border: 1px solid rgba(255,255,255,.12);
}
.hero__frame img, .hero__frame video{ width:100%; height:100%; object-fit:cover; transform: scale(1.02); transition: transform 1.1s var(--ease); display:block; }
.hero__frame:hover img, .hero__frame:hover video{ transform: scale(1.06); }
.hero__frame::after{
  content:''; position:absolute; inset:0; background: linear-gradient(180deg, rgba(0,0,0,0) 55%, rgba(0,0,0,.45) 100%);
}
.hero__stat-card{
  position:absolute; left:-1rem; bottom:-1.25rem; z-index:3;
  background: var(--paper); color: var(--ink); border-radius: var(--radius);
  padding: 1.1rem 1.3rem; box-shadow: 0 24px 50px -20px rgba(0,0,0,.4);
  max-width: 230px;
}
@media (min-width:640px){ .hero__stat-card{ left:-1.75rem; bottom:-1.75rem; padding:1.35rem 1.5rem; } }
.hero__stat-card .num{ font-family: var(--font-display); font-size: var(--fs-xl); color: var(--forest); display:block; }
.hero__stat-card .lbl{ font-size: var(--fs-xs); color: var(--ink-50); font-weight:600; letter-spacing:.02em; }

/* ---------- Section heads ------------------------------------------------ */
.head{ max-width: 720px; margin-bottom: var(--sp-6); }
.head--center{ margin-inline:auto; text-align:center; }
.head h2{ font-size: var(--fs-3xl); }
.head .lede{ margin-top: var(--sp-2); }
.head--center .lede{ margin-inline:auto; }

/* ---------- Problem section ------------------------------------------- */
.problem__grid{ display:grid; gap: var(--sp-5); }
@media (min-width:860px){ .problem__grid{ grid-template-columns: 1fr 1fr; align-items:start; gap: var(--sp-7); } }
.problem__copy p + p{ margin-top: var(--sp-3); }
.problem__copy p{ color: var(--ink-70); font-size: var(--fs-base); max-width: 52ch; }
.problem__copy p:first-child{ font-size: var(--fs-lg); color: var(--ink); font-weight:500; max-width: 40ch; }

.pain-list{ display:grid; gap: var(--sp-2); margin-top: var(--sp-4); }
.pain-item{
  display:flex; gap: .9rem; align-items:flex-start; padding: var(--sp-2) 0; border-top:1px solid var(--line-soft);
}
.pain-item:first-child{ border-top:0; padding-top:0; }
.pain-item svg{ flex:none; margin-top:.2rem; color: var(--terracotta); }
.pain-item strong{ display:block; font-size: var(--fs-sm); font-weight:700; }
.pain-item span{ display:block; font-size: var(--fs-sm); color: var(--ink-50); margin-top:.1rem; }

/* ---------- Feature grid (solution) ------------------------------------ */
.feature-grid{ display:grid; gap: var(--sp-3); grid-template-columns: repeat(2,1fr); }
@media (min-width:720px){ .feature-grid{ grid-template-columns: repeat(3,1fr); } }
@media (min-width:1100px){ .feature-grid{ grid-template-columns: repeat(5,1fr); } }
.feature-card{
  background: var(--paper); border:1px solid var(--line-soft); border-radius: var(--radius);
  overflow:hidden; transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .45s ease;
}
.feature-card:hover{ transform: translateY(-6px); box-shadow: 0 26px 44px -26px rgba(26,47,26,.35); border-color: var(--line); }
.feature-card__img{ aspect-ratio: 1/1; background: var(--cream); overflow:hidden; }
.feature-card__img img{ width:100%; height:100%; object-fit:cover; transition: transform .6s var(--ease); }
.feature-card:hover .feature-card__img img{ transform: scale(1.07); }
.feature-card__body{ padding: 1.1rem 1.15rem 1.3rem; }
.feature-card__body h3{ font-family: var(--font-body); font-weight:800; font-size: var(--fs-sm); letter-spacing:.01em; }
.feature-card__body p{ font-size: var(--fs-xs); color: var(--ink-50); margin-top:.4rem; line-height:1.5; }

/* ---------- Quad grid (4-tier solution breakdown, dark) ------------------- */
.quad-grid{ display:grid; gap: var(--sp-5) var(--sp-4); margin-top: var(--sp-2); grid-template-columns: 1fr; }
@media (min-width:560px){ .quad-grid{ grid-template-columns: repeat(2,1fr); } }
.quad-card{ border-top: 3px solid var(--terracotta); padding-top: var(--sp-3); }
.quad-card__img{ aspect-ratio: 4/5; border-radius: var(--radius-lg); background: var(--slate); overflow:hidden; }
.quad-card__img img{ width:100%; height:100%; object-fit:cover; transition: transform .6s var(--ease); }
.quad-card:hover .quad-card__img img{ transform: scale(1.05); }
.quad-card h3{ font-family: var(--font-body); font-weight:800; font-size: var(--fs-base); color: var(--on-dark); margin-top: 1.1rem; }
.quad-card p{ font-size: var(--fs-sm); color: var(--on-dark-70); margin-top:.4rem; line-height:1.55; }

.spec-strip{
  display:flex; flex-wrap:wrap; gap: var(--sp-2) var(--sp-4);
  margin-top: var(--sp-6); padding-top: var(--sp-4); border-top:1px solid var(--line-soft);
}
.spec-item{ display:flex; align-items:center; gap:.55rem; font-size: var(--fs-xs); font-weight:600; color: var(--ink-50); letter-spacing:.01em; max-width: 30ch; }
.spec-item svg{ flex:none; color: var(--terracotta); }
.section--dark .spec-strip{ border-top-color: var(--on-dark-line); }
.section--dark .spec-item{ color: var(--on-dark-70); }

/* ---------- Parts grid (individual component callouts) -------------------- */
.parts-grid{ display:grid; gap: var(--sp-6) var(--sp-4); grid-template-columns: 1fr; text-align:center; }
@media (min-width:560px){ .parts-grid{ grid-template-columns: repeat(2,1fr); } }
@media (min-width:900px){ .parts-grid{ grid-template-columns: repeat(3,1fr); } }
.parts-card h3{
  font-family: var(--font-body); font-weight:800; font-size: var(--fs-sm); letter-spacing:.03em;
  text-transform:uppercase; color: var(--ink); margin-bottom: var(--sp-3);
}
.parts-card__img{
  aspect-ratio: 1/1; background: var(--paper); border-radius: var(--radius-lg);
  overflow:hidden; display:flex; align-items:center; justify-content:center; padding: var(--sp-3);
}
.parts-card__img img{ width:100%; height:100%; object-fit:contain; transition: transform .5s var(--ease); }
.parts-card:hover .parts-card__img img{ transform: scale(1.05); }
.parts-card p{ font-size: var(--fs-sm); color: var(--ink-50); margin-top: var(--sp-3); line-height:1.55; max-width: 30ch; margin-inline:auto; }

/* ---------- Modular explainer -------------------------------------------- */
.explainer{ display:grid; gap: var(--sp-6); align-items:center; }
@media (min-width:960px){ .explainer{ grid-template-columns: .9fr 1.1fr; gap: var(--sp-8); } }
.explainer__art{ position:relative; overflow:hidden; border-radius: var(--radius-lg); }
.explainer__art img{ border-radius: var(--radius-lg); transition: transform .7s var(--ease); }
.explainer__art:hover img{ transform: scale(1.035); }
.explainer__steps{ display:grid; gap: var(--sp-4); }
.step{ display:flex; gap: var(--sp-3); }
.step__num{
  flex:none; width:2.6rem; height:2.6rem; border-radius:50%;
  background: var(--forest); color:#fff; display:flex; align-items:center; justify-content:center;
  font-family: var(--font-display); font-size:1rem;
}
.step h3{ font-family: var(--font-body); font-weight:800; font-size: var(--fs-base); }
.step p{ color: var(--ink-50); font-size: var(--fs-sm); margin-top:.3rem; max-width: 46ch; }

/* ---------- Founder ------------------------------------------------------ */
.founder{ display:grid; gap: var(--sp-6); }
@media (min-width:960px){ .founder{ grid-template-columns: 1fr 1fr; gap: var(--sp-8); align-items:center; } }
.founder__art{ position:relative; }
.founder__art img{ border-radius: var(--radius-lg); aspect-ratio: 5/4; object-fit:cover; }
.founder__quote{
  position:absolute; right:-.75rem; bottom:-1.5rem; max-width:280px;
  background: var(--terracotta); color:#fff; padding:1.25rem 1.4rem; border-radius: var(--radius);
  font-family: var(--font-display); font-size: var(--fs-sm); line-height:1.3;
  box-shadow: 0 26px 50px -20px rgba(0,0,0,.45);
}
.founder__quote-attrib{
  display:block; margin-top:.55rem; font-family: var(--font-body); font-style:normal;
  font-size: var(--fs-xs); font-weight:700; letter-spacing:.02em; opacity:.85;
}
@media (max-width:639px){ .founder__quote{ position:static; margin-top: var(--sp-3); max-width:none; } }
.founder__copy p{ color: var(--on-dark-70); max-width:54ch; }
.founder__copy p + p{ margin-top: var(--sp-3); }
.founder__copy p:first-of-type{ color:#fff; font-size: var(--fs-lg); font-weight:500; }

.stat-row{ display:grid; grid-template-columns: repeat(2,1fr); gap: var(--sp-4); margin-top: var(--sp-6); }
@media (min-width:640px){ .stat-row{ grid-template-columns: repeat(4,1fr); } }
.stat{ border-top:1px solid var(--on-dark-line); padding-top: var(--sp-2); }
.stat .num{ font-family: var(--font-display); font-size: var(--fs-xl); color:#fff; display:block; }
.stat .lbl{ font-size: var(--fs-xs); color: var(--on-dark-45); font-weight:600; margin-top:.2rem; }

/* ---------- Kickstarter price card --------------------------------------- */
.kick{ display:grid; gap: var(--sp-6); align-items:center; }
@media (min-width:960px){ .kick{ grid-template-columns: 1.1fr .9fr; gap: var(--sp-8); } }
.price-card{
  background: var(--paper); color: var(--ink); border-radius: var(--radius-lg);
  padding: var(--sp-5); box-shadow: 0 40px 70px -30px rgba(0,0,0,.5);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.price-card:hover{ transform: translateY(-4px); box-shadow: 0 48px 84px -28px rgba(0,0,0,.55); }
.price-row{ display:flex; align-items:flex-end; justify-content:space-between; gap: var(--sp-3); padding-block: var(--sp-3); border-top:1px solid var(--line-soft); }
.price-row:first-child{ border-top:0; }
.price-row .lbl{ font-size: var(--fs-sm); font-weight:700; }
.price-row .sub{ display:block; font-size: var(--fs-xs); color: var(--ink-50); font-weight:500; margin-top:.15rem; }
.price-row .amt{ font-family: var(--font-display); font-size: var(--fs-2xl); }
.price-row--hero .amt{ color: var(--terracotta); }
.price-row--strike .amt{ color: var(--ink-50); text-decoration: line-through; font-size: var(--fs-lg); }
.save-badge{
  display:inline-block; margin-top: var(--sp-1); background: var(--forest); color:#fff;
  font-size: var(--fs-xs); font-weight:700; padding:.3rem .7rem; border-radius:999px;
}
.price-card .btn{ margin-top: var(--sp-4); }
.kick__copy p{ color: var(--on-dark-70); max-width:50ch; }
.kick__copy p + p{ margin-top: var(--sp-3); }

/* ---------- Waitlist form ------------------------------------------------- */
.waitlist{
  background: var(--forest); color:#fff; border-radius: var(--radius-lg);
  padding: var(--sp-6) var(--sp-4); position:relative; overflow:hidden;
  isolation:isolate;
}
@media (min-width:768px){ .waitlist{ padding: var(--sp-7); } }
.waitlist::before{
  content:''; position:absolute; inset:0; z-index:-1;
  background-image:url('../images/pattern/topo-pattern.webp'); background-size:cover; background-position:center;
  opacity:.14;
}
.waitlist__inner{ max-width: 640px; margin-inline:auto; text-align:center; }
.waitlist h2{ font-size: var(--fs-3xl); }
/* .lede defaults to dark ink text, which is unreadable on this section's
   dark forest background — override to the same light/translucent tone
   used for body copy on every other dark section. */
.waitlist p.lede{ margin-inline:auto; margin-top: var(--sp-2); color: var(--on-dark-70); }
/* Same trap as .lede above: .waitlist sets its own dark background outside
   the .section--dark/.section--plum pattern, so the eyebrow's light-section
   color needs the same manual override the dark-section one gets. Caught
   by a contrast audit — was rendering at 2.5:1. */
.waitlist .eyebrow{ color: var(--terracotta-tint); }
.wl-form{ margin-top: var(--sp-5); display:grid; gap: .7rem; text-align:left; }
@media (min-width:560px){ .wl-form{ grid-template-columns: 1fr 1fr; } .wl-form .field--email{ grid-column: 1/-1; } }
.field label{ display:block; font-size: var(--fs-xs); font-weight:700; letter-spacing:.03em; text-transform:uppercase; color: var(--on-dark-45); margin-bottom:.4rem; }
.field input, .field select{
  width:100%; background: rgba(255,255,255,.06); border:1.5px solid var(--on-dark-line); color:#fff;
  padding: .9rem 1rem; border-radius: 10px; font-size: var(--fs-base);
  transition: border-color .25s ease, background-color .25s ease;
}
.field input::placeholder{ color: var(--on-dark-45); }
.field input:focus, .field select:focus{ outline:none; border-color: var(--terracotta); background: rgba(255,255,255,.1); }
.field select{ color:#fff; }
.field select option{ color: var(--ink); }
.wl-actions{ grid-column: 1/-1; margin-top:.4rem; }
/* Real-submission states: a disabled/"Sending…" button while the request is
   in flight, and an inline error message if Mailchimp rejects the signup or
   the request fails/times out. Success has its own full-panel swap below
   (.wl-success) — this is only for the "still on the form" states. */
.btn[disabled]{ opacity:.65; cursor:default; transform:none !important; }
.wl-error{
  grid-column: 1/-1; margin-top:.2rem; padding:.7rem .9rem;
  border:1px solid rgba(239,181,144,.35); border-radius:8px;
  background: rgba(0,0,0,.14); color: var(--terracotta-tint);
  font-size: var(--fs-sm); font-weight:600; text-align:left;
}
.wl-error[hidden]{ display:none; }
.wl-note{ margin-top: var(--sp-3); font-size: var(--fs-xs); color: var(--on-dark-45); text-align:center; }
.wl-form-wrap{ transition: opacity .3s ease, transform .3s var(--ease); }
.waitlist.is-leaving .wl-form-wrap{ opacity:0; transform: translateY(-8px); }
.wl-success{
  display:none; text-align:center; padding: var(--sp-5) var(--sp-3);
  opacity:0; transform: translateY(10px); transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.wl-success svg{ margin-inline:auto; color: var(--terracotta); }
.wl-success h3{ font-family: var(--font-display); font-size: var(--fs-xl); margin-top: var(--sp-2); }
.wl-success p{ color: var(--on-dark-70); margin-top:.5rem; }
.waitlist.is-submitted .wl-form-wrap{ display:none; }
.waitlist.is-submitted .wl-success{ display:block; }
.waitlist.is-submitted.is-success-visible .wl-success{ opacity:1; transform:none; }

/* ---------- Audience / who it's for ------------------------------------ */
.audience{ display:grid; gap: var(--sp-3); }
@media (min-width:760px){ .audience{ grid-template-columns: 1.1fr .9fr; gap: var(--sp-6); align-items:center; } }
.audience__art img{ border-radius: var(--radius-lg); aspect-ratio: 6/5; object-fit:cover; }
.check-list{ display:grid; gap: var(--sp-2); margin-top: var(--sp-4); }
.check-item{ display:flex; gap:.75rem; align-items:flex-start; }
.check-item svg{ flex:none; color: var(--forest); margin-top:.15rem; }
.check-item span{ font-size: var(--fs-base); color: var(--ink-70); }

/* ---------- Dogtor teaser (secondary to Basecamp — kept visually lighter:
   section--tight padding, ghost/secondary button, no crossfade success
   panel like the primary waitlist gets) ------------------------------- */
.ecosystem{ display:grid; gap: var(--sp-5); align-items:start; }
@media (min-width:900px){ .ecosystem{ grid-template-columns: 1fr 1fr; gap: var(--sp-7); align-items:center; } }
.ecosystem__art{ overflow:hidden; border-radius: var(--radius-lg); }
.ecosystem__art img{ border-radius: var(--radius-lg); transition: transform .7s var(--ease); }
.ecosystem__art:hover img{ transform: scale(1.035); }

.dogtor__body{ margin-top: var(--sp-4); display:grid; gap: var(--sp-3); }
.dogtor__body p{ color: var(--ink-70); font-size: var(--fs-base); max-width: 52ch; }

.dogtor__coming{ margin-top: var(--sp-5); }
.dogtor__coming-label{
  display:block; font-size: var(--fs-xs); font-weight:700; text-transform:uppercase;
  letter-spacing:.05em; color: var(--ink-50); margin-bottom: var(--sp-2);
}

.dogtor__cta{ margin-top: var(--sp-6); padding-top: var(--sp-5); border-top:1px solid var(--line); }
.dogtor__cta-lede{ font-size: var(--fs-sm); font-weight:600; color: var(--ink); max-width:40ch; }
.dogtor-form{ display:flex; flex-wrap:wrap; gap:.6rem; margin-top: var(--sp-3); }
.dogtor-form input{
  flex:1 1 220px; background: var(--paper); border:1.5px solid var(--line); color: var(--ink);
  padding:.85rem 1.1rem; border-radius:10px; font-size: var(--fs-base);
  transition: border-color .25s ease;
}
.dogtor-form input::placeholder{ color: var(--ink-50); }
.dogtor-form input:focus{ outline:none; border-color: var(--forest); }
.dogtor-form .btn{ flex:none; }
/* Inline error state for a failed/rejected submission — sits on the light
   .section--cream background, so it reuses --terracotta-600 (already
   verified ≥4.5:1 on --cream, see the .eyebrow comment above) rather than
   --terracotta-tint, which is the dark-background variant used on the
   waitlist form. flex-basis 100% keeps it on its own line under the
   input+button row instead of squeezing into the flex layout. */
.dogtor-error{
  flex:1 1 100%; margin-top:.1rem; padding:.6rem .8rem;
  border:1px solid rgba(196,92,38,.25); border-radius:8px;
  background: rgba(196,92,38,.06); color: var(--terracotta-600);
  font-size: var(--fs-sm); font-weight:600; text-align:left;
}
.dogtor-error[hidden]{ display:none; }
.dogtor-success{ display:none; margin-top: var(--sp-3); font-size: var(--fs-sm); font-weight:600; color: var(--forest); }
.dogtor__cta.is-submitted .dogtor-form{ display:none; }
.dogtor__cta.is-submitted .dogtor-success{ display:block; }
@media (max-width:479px){ .dogtor-form .btn{ flex:1 1 100%; } }

/* ---------- FAQ ------------------------------------------------------- */
.faq{ max-width: 780px; margin-inline:auto; }
.faq__item{ border-top:1px solid var(--line); }
.faq__item:last-child{ border-bottom:1px solid var(--line); }
.faq__q{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap: var(--sp-3);
  padding: 1.35rem 0; text-align:left; font-weight:700; font-size: var(--fs-base);
}
.faq__q span:first-child{ transition: color .25s ease; }
.faq__q:hover span:first-child{ color: var(--terracotta); }
.faq__q .i-plus{ flex:none; position:relative; width:20px; height:20px; }
.faq__q .i-plus::before, .faq__q .i-plus::after{
  content:''; position:absolute; background: var(--ink); border-radius:2px; transition: background-color .25s ease;
}
.faq__q .i-plus::before{ left:0; right:0; top:9px; height:2px; }
.faq__q .i-plus::after{ top:0; bottom:0; left:9px; width:2px; transition: transform .35s var(--ease); }
.faq__q:hover .i-plus::before, .faq__q:hover .i-plus::after{ background: var(--terracotta); }
.faq__item.is-open .i-plus::after{ transform: rotate(90deg) scaleX(0); }
.faq__a{ max-height:0; overflow:hidden; opacity:0; transition: max-height .45s var(--ease), opacity .35s ease; }
.faq__item.is-open .faq__a{ opacity:1; }
.faq__a p{ padding-bottom: 1.35rem; color: var(--ink-50); max-width:64ch; font-size: var(--fs-sm); }

/* ---------- Investment opportunities (secondary, low-key) ----------------
   Deliberately quieter than every other section on the page: smaller
   heading size, muted body copy, a ghost (not primary) button. This isn't
   a second conversion path competing with the Basecamp waitlist, it's a
   small utility block for accredited investors who go looking for it. */
.investor__inner{ max-width: 620px; margin-inline:auto; text-align:center; }
.investor__inner h2{ font-size: var(--fs-xl); margin-bottom: var(--sp-2); }
.investor__inner p{ font-size: var(--fs-sm); color: var(--ink-50); max-width:52ch; margin-inline:auto; }
.investor__inner .btn{ margin-top: var(--sp-4); }

/* ---------- CTA band ----------------------------------------------------- */
.cta-band{ text-align:center; }
.cta-band h2{ font-size: var(--fs-3xl); max-width:16ch; margin-inline:auto; }
.cta-band .lede{ margin-inline:auto; margin-top: var(--sp-2); }
.cta-band .hero__ctas{ justify-content:center; margin-top: var(--sp-5); }

/* ---------- Footer -------------------------------------------------------- */
.footer{ background: var(--slate); color: var(--on-dark-70); }
.footer__top{ display:grid; gap: var(--sp-6); padding-block: var(--sp-6); border-bottom:1px solid var(--on-dark-line); }
@media (min-width:860px){ .footer__top{ grid-template-columns: 1.3fr .7fr .7fr; } }
.footer__brand .brand__word{ color:#fff; }
.footer__brand p{ margin-top: var(--sp-2); max-width:36ch; font-size: var(--fs-sm); }
.footer__cols{ display:grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); grid-column: span 2; }
@media (min-width:860px){ .footer__cols{ display:contents; } }
.footer__col h3{ font-family: var(--font-body); font-size: var(--fs-xs); text-transform:uppercase; letter-spacing:.1em; color: var(--on-dark-45); margin-bottom: var(--sp-2); }
.footer__col ul{ display:grid; gap:.6rem; }
.footer__col a{ font-size: var(--fs-sm); transition: color .25s ease; }
.footer__col a:hover{ color:#fff; }
.footer__bottom{ display:flex; flex-wrap:wrap; gap: var(--sp-2); justify-content:space-between; padding-block: var(--sp-4); font-size: var(--fs-xs); color: var(--on-dark-45); }
.footer__bottom .legal{ max-width:64ch; }

/* ---------- Misc utilities ------------------------------------------------ */
.vh{ position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.center-col{ display:flex; flex-direction:column; align-items:center; text-align:center; }