/* ============================================
   TOKENS
   ============================================ */
:root{
  --bg:        #F5F6F1;
  --bg-alt:    #ECEEE4;
  --ink:       #1F2A22;
  --ink-soft:  #4B5A4E;
  --border:    #DBD9C9;
  --coral:     #EF5B4E;
  --coral-ink: #B23F35;
  --green:     #2F6B4F;
  --yellow:    #F5B942;

  --font-display: "Space Grotesk", sans-serif;
  --font-body:    "Inter", sans-serif;
  --font-mono:    "IBM Plex Mono", monospace;

  --radius: 6px;
  --wrap: 1120px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html, body{ overflow-x: hidden; width: 100%; }
img{ max-width: 100%; height: auto; display: block; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 600px){
  .wrap{ padding: 0 18px; }
}

h1, h2, h3{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(2.1rem, 4.4vw, 3.4rem); font-weight: 700; }
h2{ font-size: clamp(1.5rem, 2.8vw, 2.1rem); }
h3{ font-size: 1.15rem; }
p{ margin: 0 0 14px; color: var(--ink-soft); }

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 10px;
}

.skip-link{
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: #fff; padding: 10px 16px; z-index: 100;
}
.skip-link:focus{ left: 12px; top: 12px; }

a{ color: inherit; }
.text-link{
  color: var(--coral-ink);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
.text-link:hover{ color: var(--coral); }

:focus-visible{
  outline: 2px solid var(--coral);
  outline-offset: 3px;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{ background: var(--coral); color: #fff; }
.btn-primary:hover{ background: var(--coral-ink); }
.btn-ghost{ background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover{ border-color: var(--green); color: var(--green); }

/* ============================================
   HEADER / NAV
   ============================================ */
.site-header{
  position: sticky; top: 0; z-index: 50;
  background: rgba(245,246,241,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.header-row{
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand{
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
  text-decoration: none; color: var(--ink);
}
.brand-mark{
  width: 18px; height: 18px;
  border: 2px solid var(--coral);
  border-radius: 3px;
  display: inline-block;
}
.main-nav{ display: flex; gap: 28px; }
.main-nav a{
  text-decoration: none; font-weight: 500; font-size: 0.95rem;
  color: var(--ink-soft);
}
.main-nav a:hover{ color: var(--coral-ink); }

.nav-toggle{
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px;
  background: none; border: 1px solid var(--border); border-radius: var(--radius);
  cursor: pointer;
}
.nav-toggle span{ width: 18px; height: 2px; background: var(--ink); margin: 0 auto; }

.mobile-nav{
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--border);
  padding: 8px 24px 16px;
}
.mobile-nav a{
  padding: 12px 0;
  text-decoration: none; color: var(--ink);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
}
.mobile-nav.open{ display: flex; }

@media (max-width: 760px){
  .main-nav{ display: none; }
  .nav-toggle{ display: flex; }
}

/* ============================================
   HERO
   ============================================ */
.hero{ padding: 64px 0 48px; }
.hero-grid{
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero-sub{ font-size: 1.08rem; max-width: 46ch; }
.hero-actions{ display: flex; gap: 14px; flex-wrap: wrap; margin: 26px 0 34px; }

.stat-row{
  display: flex; gap: 32px;
  margin: 0; padding-top: 22px;
  border-top: 1px solid var(--border);
}
.stat-row dt{
  font-family: var(--font-mono);
  font-size: 1.5rem; font-weight: 500; color: var(--green);
}
.stat-row dd{
  margin: 2px 0 0; font-size: 0.82rem; color: var(--ink-soft);
}

.hero-visual{ display: flex; justify-content: center; }
.floor-square{
  position: relative;
  width: min(320px, 80vw);
  aspect-ratio: 1;
  border: 1.5px dashed var(--green);
  border-radius: 25px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-alt);
}
.floor-square .corner{
  position: absolute; width: 16px; height: 16px;
  border: 2.5px solid var(--coral);
}
.corner.tl{ top: -2.5px; left: -2.5px; border-right: none; border-bottom: none; }
.corner.tr{ top: -2.5px; right: -2.5px; border-left: none; border-bottom: none; }
.corner.bl{ bottom: -2.5px; left: -2.5px; border-right: none; border-top: none; }
.corner.br{ bottom: -2.5px; right: -2.5px; border-left: none; border-top: none; }
.floor-label{
  font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink-soft);
}
.floor-dim{
  position: absolute;
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--green);
  bottom: -22px; left: 50%; transform: translateX(-50%);
}
.floor-dim.side{
  bottom: auto; left: auto;
  top: 50%; right: -28px; transform: translateY(-50%) rotate(90deg);
}

@media (max-width: 860px){
  .hero-grid{ grid-template-columns: 1fr; gap: 32px; }
  .hero-visual{ order: -1; }
}

@media (max-width: 600px){
  .hero{ padding: 40px 0 32px; }
  .hero-actions{ flex-direction: column; align-items: stretch; margin: 22px 0 28px; }
  .hero-actions .btn{ width: 100%; justify-content: center; text-align: center; }
  .stat-row{ gap: 20px; flex-wrap: wrap; padding-top: 18px; }
  .stat-row dt{ font-size: 1.25rem; }
  .floor-square{ width: min(280px, 100%); }
}

/* ============================================
   TL;DR
   ============================================ */
.tldr{ padding: 0 0 56px; }
.tldr-card{
  background: var(--ink);
  color: #F5F6F1;
  border-radius: var(--radius);
  padding: 26px 30px;
  display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap;
}
@media (max-width: 600px){
  .tldr{ padding: 0 0 40px; }
  .tldr-card{ padding: 20px; gap: 12px; }
}
.tldr-card p{ color: #DCE0D6; margin: 0; flex: 1; min-width: 240px; }
.tldr-tag{
  font-family: var(--font-mono); font-size: 0.72rem;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--yellow);
  border: 1px solid var(--yellow);
  border-radius: 100px;
  padding: 4px 12px;
  flex-shrink: 0;
}

/* ============================================
   WHY
   ============================================ */
.why{ padding: 40px 0 64px; }
.why-grid{
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start;
}
.check-list{
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 12px;
}
.check-list li{
  position: relative;
  padding: 12px 16px 12px 40px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  font-weight: 500; font-size: 0.95rem;
}
.check-list li::before{
  content: "";
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  width: 8px; height: 8px; background: var(--coral); border-radius: 2px;
}
@media (max-width: 780px){ .why-grid{ grid-template-columns: 1fr; gap: 28px; } }
@media (max-width: 600px){ .why{ padding: 28px 0 44px; } }

/* ============================================
   ROUTINE PREVIEW
   ============================================ */
.routine-preview{ padding: 40px 0 72px; }
.phase-track{
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
  margin: 32px 0 34px;
}
.phase-card{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 20px;
  background: var(--bg-alt);
}
.phase-card--main{
  background: var(--green);
  border-color: var(--green);
}
.phase-card--main h3, .phase-card--main .phase-time{ color: #fff; }
.phase-card--main p{ color: #D9E3DC; }
.phase-time{
  display: inline-block;
  font-family: var(--font-mono); font-size: 0.78rem;
  color: var(--coral-ink); margin-bottom: 8px;
}
.phase-card p{ font-size: 0.92rem; margin: 0; }
@media (max-width: 780px){ .phase-track{ grid-template-columns: 1fr; } }
@media (max-width: 600px){
  .routine-preview{ padding: 28px 0 48px; }
  .phase-track{ margin: 24px 0 26px; gap: 14px; }
}

/* ============================================
   PROOF
   ============================================ */
.proof{ padding: 0 0 72px; }
.proof-grid{
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  border-top: 1px solid var(--border);
  padding-top: 40px;
}
blockquote{
  margin: 0; font-family: var(--font-display); font-size: 1.2rem;
  color: var(--ink); font-weight: 500; line-height: 1.4;
}
blockquote p::before{ content: "“"; }
blockquote p::after{ content: "”"; }
blockquote p{ color: var(--ink); }
cite{ display: block; margin-top: 12px; font-style: normal; font-size: 0.85rem; color: var(--ink-soft); }
.proof-note p{ font-size: 0.92rem; }
@media (max-width: 780px){ .proof-grid{ grid-template-columns: 1fr; gap: 24px; } }
@media (max-width: 600px){
  .proof{ padding: 0 0 48px; }
  .proof-grid{ padding-top: 28px; }
  blockquote{ font-size: 1.08rem; }
}

/* ============================================
   FAQ ACCORDION
   ============================================ */
.faq-preview{ padding: 0 0 72px; }
.accordion{ border-top: 1px solid var(--border); margin-top: 24px; }
.acc-item{ border-bottom: 1px solid var(--border); }
.acc-trigger{
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: none; border: none; text-align: left;
  padding: 20px 4px;
  font-family: var(--font-display); font-size: 1.02rem; font-weight: 600; color: var(--ink);
  cursor: pointer;
}
.acc-icon{ position: relative; width: 16px; height: 16px; flex-shrink: 0; }
.acc-icon::before, .acc-icon::after{
  content: ""; position: absolute; background: var(--coral);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.acc-icon::before{ width: 16px; height: 2px; }
.acc-icon::after{ width: 2px; height: 16px; transition: transform 0.2s ease; }
.acc-trigger[aria-expanded="true"] .acc-icon::after{ transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }

.acc-panel{
  max-height: 0; overflow: hidden;
  transition: max-height 0.25s ease;
}
.acc-panel p{ padding: 0 4px 20px; margin: 0; font-size: 0.95rem; }

@media (max-width: 600px){
  .faq-preview{ padding: 0 0 48px; }
  .acc-trigger{ font-size: 0.95rem; padding: 16px 2px; gap: 12px; }
}

/* ============================================
   AUTHOR
   ============================================ */
.author{ padding: 0 0 80px; }
.author-card{
  display: flex; gap: 26px; align-items: flex-start;
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 34px;
}
.author-avatar{
  flex-shrink: 0;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--coral);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700;
}
@media (max-width: 600px){
  .author{ padding: 0 0 56px; }
  .author-card{ flex-direction: column; padding: 24px; }
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer{
  border-top: 1px solid var(--border);
  padding: 40px 0;
  background: var(--bg-alt);
}
.footer-grid{
  display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 24px; align-items: start;
}
.footer-note{ font-size: 0.85rem; margin-top: 10px; }
.footer-grid nav{ display: flex; flex-direction: column; gap: 8px; }
.footer-grid nav a, .social a{ text-decoration: none; color: var(--ink-soft); font-size: 0.92rem; }
.footer-grid nav a:hover, .social a:hover{ color: var(--coral-ink); }
.social{ display: flex; flex-direction: column; gap: 8px; }
@media (max-width: 700px){ .footer-grid{ grid-template-columns: 1fr; gap: 24px; } }
@media (max-width: 600px){
  .site-footer{ padding: 32px 0; }
  .footer-grid nav{ flex-direction: row; flex-wrap: wrap; gap: 16px; }
}

/* ============================================
   SCROLL REVEAL
   ============================================ */
[data-reveal]{
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
[data-reveal].is-visible{
  opacity: 1;
  transform: translateY(0);
}