/* styles.css */

/* --- Design tokens --- */
:root{
  --bg: #fbfaf7;
  --paper: #ffffff;
  --ink: #1f2328;
  --muted: #5a636d;

  --line: rgba(31,35,40,.12);
  --soft: rgba(31,35,40,.06);

  --accent: #2f6f67;     /* calm teal */
  --accent2: #9a6b2f;    /* warm brass */
  --accent3: #6a5acd;    /* soft indigo (small touches) */

  --radius: 18px;
  --radius-sm: 14px;

  --shadow: 0 10px 28px rgba(31,35,40,.09);

  --max: 980px;
  --gutter: clamp(16px, 3.5vw, 28px);
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 22px;
  --space-5: 28px;
  --space-6: 36px;
  --space-7: 48px;

  --fs-1: clamp(.92rem, .9rem + .2vw, 1.02rem);
  --fs-2: clamp(1.05rem, 1rem + .45vw, 1.22rem);
  --fs-3: clamp(1.35rem, 1.2rem + 1vw, 1.75rem);
  --fs-4: clamp(2rem, 1.6rem + 2.2vw, 2.8rem);

  --lh: 1.45;
}

/* --- Base --- */
*,
*::before,
*::after{ box-sizing: border-box; }

html, body{ height: 100%; }

body{
  margin: 0;
  background:
    radial-gradient(900px 520px at 18% 8%, rgba(47,111,103,.08), transparent 55%),
    radial-gradient(820px 520px at 85% 22%, rgba(154,107,47,.08), transparent 55%),
    linear-gradient(180deg, var(--bg), #ffffff);
  color: var(--ink);
  font: 400 var(--fs-1) / var(--lh) system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  letter-spacing: 0.01em;
}

img{
  max-width: 100%;
  height: auto;
  display: block;
}

a{ color: inherit; }

.wrap{
  width: min(var(--max), calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
}

/* Accessible skip link */
.skip-link{
  position: absolute;
  left: -999px;
  top: 12px;
  padding: 10px 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
  z-index: 50;
}
.skip-link:focus{
  left: 12px;
}

/* --- Masthead --- */
.masthead{
  padding: clamp(26px, 4.2vw, 44px) 0 0;
}

.kicker{
  margin: 0 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  color: var(--accent);
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .82rem;
}

.kicker::before{
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 6px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,0) 55%),
    linear-gradient(135deg, rgba(47,111,103,.95), rgba(154,107,47,.85));
  box-shadow: 0 6px 16px rgba(31,35,40,.12);
}

.title{
  margin: 0;
  font-size: var(--fs-4);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.title-accent{
  color: var(--accent);
  font-weight: 800;
}

.subtitle{
  margin: 12px 0 18px;
  font-size: var(--fs-2);
  color: var(--muted);
  max-width: 55ch;
}

.meta-strip{
  background: rgba(255,255,255,.82);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: 0 10px 24px rgba(31,35,40,.06);
  margin: 0 0 var(--space-6);
}

.meta-strip p{
  margin: 0;
  color: var(--ink);
}

/* --- Panels --- */
.page{
  padding: 0 0 var(--space-7);
}

.panel{
  padding: var(--space-6) 0;
}

.panel-title{
  margin: 0 0 12px;
  font-size: var(--fs-3);
  letter-spacing: -0.015em;
  line-height: 1.15;
}

.panel-lede{
  margin: 0 0 var(--space-4);
  color: var(--muted);
  max-width: 70ch;
}

.microcopy{
  margin: var(--space-4) 0 0;
  color: var(--muted);
  max-width: 78ch;
}

/* --- Hook split visual --- */
.split-visual{
  margin: var(--space-4) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.split-card{
  background: rgba(255,255,255,.9);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.split-img{
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  background: #f3f2ee; /* soft neutral so letterboxing looks intentional */
}

.split-caption{
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px 14px;
  border-top: 1px solid var(--soft);
  background:
    linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.98));
}

.chip{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(47,111,103,.08);
  color: var(--accent);
  font-weight: 700;
  font-size: .86rem;
  white-space: nowrap;
}

.caption-text{
  color: var(--muted);
  font-size: .98rem;
}

/* --- Reasons list --- */
.reason-list{
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-4);
}

.reason{
  background: rgba(255,255,255,.92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.reason-head{
  padding: 16px 16px 12px;
  background:
    radial-gradient(520px 220px at 15% 0%, rgba(47,111,103,.12), transparent 60%),
    radial-gradient(520px 220px at 85% 0%, rgba(154,107,47,.11), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.92));
  border-bottom: 1px solid var(--soft);
}

.reason-title{
  margin: 0;
  font-size: 1.18rem;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.reason-body{
  padding: 14px 16px 18px;
  display: grid;
  gap: 12px;
}

.reason-block{
  border: 1px solid var(--soft);
  border-radius: var(--radius-sm);
  padding: 12px 12px 12px;
  background: rgba(255,255,255,.86);
}

.reason-label{
  margin: 0 0 8px;
  font-size: .86rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
}

.bullets{
  margin: 0;
  padding-left: 18px;
  color: var(--ink);
}

.reason-block p{
  margin: 0;
  color: var(--ink);
}

.reason-block.signal{
  border-color: rgba(47,111,103,.22);
  background: rgba(47,111,103,.06);
}

.reason-block.signal .reason-label{
  color: var(--accent);
}

.reason-block.signal p{
  color: var(--ink);
}

/* --- Pattern reveal --- */
.reveal-grid{
  margin-top: var(--space-4);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.summary-card,
.closing-card{
  background: rgba(255,255,255,.92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.summary-title{
  margin: 0 0 10px;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
}

.summary-list{
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.summary-list li{
  color: var(--ink);
}

.closing-line{
  margin: 0 0 8px;
  font-size: 1.18rem;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.closing-sub{
  margin: 0;
  color: var(--muted);
  max-width: 65ch;
}

.footer-note{
  margin-top: var(--space-4);
}

.fineprint{
  margin: 0;
  color: rgba(31,35,40,.62);
  font-size: .92rem;
}

/* --- Responsive enhancements --- */
@media (min-width: 720px){
  .split-visual{
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .reason-body{
    grid-template-columns: 1fr 1fr 1fr;
    align-items: start;
  }

  .reveal-grid{
    grid-template-columns: 1.1fr .9fr;
    align-items: start;
  }
}

/* --- Print-friendly tweaks --- */
@media print{
  body{
    background: #fff;
  }
  .skip-link{ display: none; }
  .panel{
    padding: 22px 0;
  }
  .reason, .split-card, .summary-card, .closing-card{
    box-shadow: none;
  }
}