/* =========================================================
   Still Water — design system for the QC Ellis site family
   Palette drawn from the 7 Ways cover & Colin's photography:
   deep petrol blue, warm halo gold, cream paper, dusk rose.
   ========================================================= */

:root {
  --cream: #faf7ef;
  --paper: #fffefa;
  --sand: #f1ead9;
  --ink: #20343c;
  --ink-soft: #48606a;
  --petrol: #14303b;
  --petrol-2: #1d4552;
  --teal: #31677a;
  --teal-soft: #9fc3ce;
  --gold: #c6920b;
  --gold-deep: #a97b12;
  --gold-bright: #e9b949;
  --rose: #dfa292;
  --line: rgba(32, 52, 60, 0.14);
  --line-light: rgba(250, 247, 239, 0.22);
  --shadow: 0 18px 50px -18px rgba(20, 48, 59, 0.35);
  --radius: 20px;
  --pill: 999px;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Karla', 'Segoe UI', sans-serif;
  --wrap: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.075rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 420;
  line-height: 1.12;
  color: var(--petrol);
  margin: 0 0 0.5em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.4rem, 5.4vw, 4rem); font-variation-settings: 'opsz' 90; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); font-variation-settings: 'opsz' 60; }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); }
p { margin: 0 0 1.1em; }
a { color: var(--teal); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--gold-deep); }
em { font-family: var(--font-body); }
::selection { background: var(--gold-bright); color: var(--petrol); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 clamp(1.2rem, 4vw, 2.5rem); }
.narrow { max-width: 780px; }

.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 1rem;
}
.on-dark .eyebrow { color: var(--gold-bright); }

.lede { font-size: clamp(1.15rem, 1.8vw, 1.3rem); color: var(--ink-soft); }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--cream) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem clamp(1.2rem, 4vw, 2.5rem);
  max-width: var(--wrap);
  margin: 0 auto;
}
.brand {
  font-family: var(--font-display);
  font-size: 1.18rem;
  color: var(--petrol);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  white-space: nowrap;
}
.brand .seven {
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, var(--gold-bright), var(--gold) 70%);
  color: var(--petrol);
  font-weight: 600;
  font-size: 1.15rem;
  box-shadow: 0 0 0 4px rgba(198, 146, 11, 0.15);
}
.site-nav { display: flex; align-items: center; gap: clamp(0.9rem, 2vw, 1.6rem); }
.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.98rem;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--petrol); }
.nav-toggle { display: none; }

@media (max-width: 840px) {
  .nav-toggle {
    display: grid;
    place-items: center;
    background: none;
    border: 1px solid var(--line);
    border-radius: 10px;
    width: 2.6rem;
    height: 2.6rem;
    font-size: 1.25rem;
    color: var(--petrol);
    cursor: pointer;
  }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.8rem 1.4rem 1.2rem;
    display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 0.55rem 0; font-size: 1.05rem; }
  .site-nav .btn { text-align: center; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  border-radius: var(--pill);
  padding: 0.78rem 1.7rem;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-gold {
  background: linear-gradient(160deg, var(--gold-bright), var(--gold));
  color: var(--petrol);
  box-shadow: 0 10px 26px -12px rgba(198, 146, 11, 0.8);
}
.btn-gold:hover { color: var(--petrol); }
.btn-outline { border-color: var(--teal); color: var(--teal); background: transparent; }
.btn-outline:hover { background: var(--teal); color: var(--cream); }
.on-dark .btn-outline { border-color: var(--teal-soft); color: var(--teal-soft); }
.on-dark .btn-outline:hover { background: var(--teal-soft); color: var(--petrol); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.8rem; align-items: center; }
.btn-note { font-size: 0.86rem; color: var(--ink-soft); }

/* ---------- sections ---------- */
section { padding: clamp(3.4rem, 7vw, 5.5rem) 0; }
.section-dark {
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(49, 103, 122, 0.55), transparent 60%),
    linear-gradient(175deg, var(--petrol-2), var(--petrol) 65%);
  color: #e9efe9;
}
.section-dark h2, .section-dark h3 { color: var(--cream); }
.section-dark p { color: rgba(250, 247, 239, 0.85); }
.section-dark a { color: var(--teal-soft); }
.section-sand { background: var(--sand); }
.section-paper { background: var(--paper); }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: clamp(3rem, 6vw, 5rem) 0 0; }
.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding-bottom: clamp(3rem, 6vw, 5rem);
}
@media (max-width: 840px) { .hero .wrap { grid-template-columns: 1fr; } }
.hero-title small {
  display: block;
  font-size: 0.36em;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 0.5em;
  font-family: var(--font-body);
  font-weight: 700;
}
.hero-sub { font-family: var(--font-display); font-style: italic; font-size: 1.35rem; color: var(--teal); margin: 0.2em 0 1em; }

.halo-stage { position: relative; display: grid; place-items: center; padding: 2rem 0; }
.halo-stage::before {
  content: '';
  position: absolute;
  inset: -8%;
  background: radial-gradient(closest-side, rgba(233, 185, 73, 0.5), rgba(233, 185, 73, 0.18) 45%, transparent 72%);
  filter: blur(6px);
  animation: breathe 7s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.06); opacity: 1; }
}
.halo-stage img {
  position: relative;
  width: min(330px, 70vw);
  border-radius: 8px;
  box-shadow: var(--shadow), 0 2px 0 rgba(255, 255, 255, 0.4) inset;
  transform: rotate(2.5deg);
}

/* trust strip */
.trust-strip { border-top: 1px solid var(--line); background: var(--paper); padding: 1.2rem 0; }
.trust-strip .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 2.4rem;
  justify-content: center;
  align-items: center;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.trust-strip strong { color: var(--petrol); }
.trust-strip .star { color: var(--gold); letter-spacing: 0.1em; }

/* ---------- spheres orbit ---------- */
.spheres-grid {
  display: grid;
  grid-template-columns: minmax(280px, 460px) 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 900px) { .spheres-grid { grid-template-columns: 1fr; justify-items: center; } }
.orbit { position: relative; width: min(440px, 88vw); aspect-ratio: 1; }
.orbit::before {
  content: '';
  position: absolute;
  inset: 7%;
  border: 1.5px dashed rgba(159, 195, 206, 0.4);
  border-radius: 50%;
}
.orbit-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 27%;
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-align: center;
  background: radial-gradient(circle at 35% 30%, var(--gold-bright), var(--gold) 75%);
  color: var(--petrol);
  font-family: var(--font-display);
  font-size: clamp(0.8rem, 2vw, 1rem);
  box-shadow: 0 0 60px rgba(233, 185, 73, 0.45);
}
.orbit button {
  position: absolute;
  width: 19%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1.5px solid rgba(159, 195, 206, 0.55);
  background: rgba(29, 69, 82, 0.75);
  color: var(--cream);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(0.85rem, 1.9vw, 1.05rem);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  transform: translate(-50%, -50%);
}
.orbit button:hover { transform: translate(-50%, -50%) scale(1.09); border-color: var(--gold-bright); }
.orbit button[aria-selected="true"] {
  background: radial-gradient(circle at 35% 30%, var(--gold-bright), var(--gold) 80%);
  color: var(--petrol);
  border-color: var(--gold-bright);
  box-shadow: 0 0 34px rgba(233, 185, 73, 0.5);
}
.sphere-panel { min-height: 15rem; }
.sphere-panel h3 { display: flex; align-items: baseline; gap: 0.6rem; }
.sphere-panel .tag {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  background: rgba(233, 185, 73, 0.18);
  color: var(--gold-bright);
  border-radius: var(--pill);
  padding: 0.2rem 0.7rem;
}

/* ---------- cards & reviews ---------- */
.card-grid { display: grid; gap: 1.3rem; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem 1.6rem 1.3rem;
  box-shadow: 0 8px 28px -20px rgba(20, 48, 59, 0.4);
}
.review-card { display: flex; flex-direction: column; gap: 0.4rem; }
.review-card .stars { color: var(--gold); letter-spacing: 0.12em; font-size: 0.95rem; }
.review-card blockquote { margin: 0; font-family: var(--font-display); font-size: 1.08rem; line-height: 1.45; color: var(--petrol-2); }
.review-card cite { font-style: normal; font-size: 0.88rem; color: var(--ink-soft); margin-top: auto; padding-top: 0.6rem; }

.badge-row { display: flex; flex-wrap: wrap; align-items: center; gap: 1.4rem; }
.badge-row img { width: 150px; border-radius: 10px; }

/* checklist */
.checklist { list-style: none; padding: 0; margin: 0 0 1.4em; display: grid; gap: 0.7rem; }
.checklist li { padding-left: 2.1rem; position: relative; }
.checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.18em;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--gold-bright), var(--gold));
  mask: none;
}
.checklist li::after {
  content: '';
  position: absolute;
  left: 0.36rem;
  top: 0.48em;
  width: 0.5rem;
  height: 0.28rem;
  border-left: 2.5px solid var(--petrol);
  border-bottom: 2.5px solid var(--petrol);
  transform: rotate(-45deg);
}

/* ---------- flipbook promo ---------- */
.book-open {
  display: grid;
  grid-template-columns: minmax(240px, 330px) 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 840px) { .book-open { grid-template-columns: 1fr; justify-items: center; text-align: center; } }
.book-open .halo-stage img { transform: rotate(-2deg); }
@media (max-width: 840px) { .book-open .btn-row { justify-content: center; } }

/* ---------- author ---------- */
.author-grid {
  display: grid;
  grid-template-columns: minmax(240px, 380px) 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 840px) { .author-grid { grid-template-columns: 1fr; } }
.portrait-stack { position: relative; }
.portrait-stack .main { border-radius: var(--radius); box-shadow: var(--shadow); }
.portrait-stack .inset {
  position: absolute;
  right: -9%;
  bottom: -12%;
  width: 52%;
  border-radius: var(--radius);
  border: 5px solid var(--cream);
  box-shadow: var(--shadow);
}
.section-dark .portrait-stack .inset { border-color: var(--petrol); }

/* ---------- photo band ---------- */
.photo-band {
  position: relative;
  min-height: 400px;
  display: grid;
  place-items: center;
  text-align: center;
  background-size: cover;
  background-position: center;
  isolation: isolate;
  padding: clamp(4rem, 9vw, 7rem) 0;
}
.photo-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(20, 48, 59, 0.45), rgba(20, 48, 59, 0.55));
  z-index: -1;
}
.photo-band blockquote {
  margin: 0 auto;
  max-width: 720px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--cream);
  line-height: 1.4;
  padding: 0 1.4rem;
}
.photo-band cite { display: block; font-style: normal; font-family: var(--font-body); font-size: 1rem; margin-top: 1.2rem; color: var(--teal-soft); }

/* ---------- newsletter ---------- */
.newsletter-box {
  background:
    radial-gradient(600px 300px at 15% 0%, rgba(233, 185, 73, 0.25), transparent 60%),
    var(--petrol-2);
  border-radius: calc(var(--radius) * 1.4);
  padding: clamp(2rem, 5vw, 3.4rem);
  color: var(--cream);
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 2rem;
  align-items: center;
  box-shadow: var(--shadow);
}
@media (max-width: 840px) { .newsletter-box { grid-template-columns: 1fr; } }
.newsletter-box h2 { color: var(--cream); }
.newsletter-box p { color: rgba(250, 247, 239, 0.85); }

/* ---------- glossary ---------- */
.gloss dt {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--petrol);
  margin-top: 1.8rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}
.gloss dd { margin: 0.5rem 0 0; }
.gloss .sub { margin-top: 0.8rem; }
.gloss .sub strong { color: var(--teal); }

/* ---------- page hero (interior pages) ---------- */
.page-hero { padding: clamp(3rem, 6vw, 4.5rem) 0 clamp(2rem, 4vw, 3rem); }
.page-hero p { max-width: 680px; }

/* ---------- footer ---------- */
.site-footer {
  background: var(--petrol);
  color: rgba(250, 247, 239, 0.75);
  padding: clamp(2.6rem, 5vw, 4rem) 0 2rem;
  font-size: 0.95rem;
}
.site-footer a { color: var(--teal-soft); text-decoration: none; }
.site-footer a:hover { color: var(--gold-bright); }
.footer-cols {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line-light);
}
@media (max-width: 720px) { .footer-cols { grid-template-columns: 1fr; } }
.footer-cols h4 { color: var(--cream); font-size: 1.05rem; margin-bottom: 0.7rem; }
.footer-cols ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.4rem; }
.footnote { padding-top: 1.4rem; display: flex; flex-wrap: wrap; gap: 0.5rem 2rem; justify-content: space-between; }

/* ---------- reveal on scroll (only when JS is available) ---------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
.js .reveal.in { opacity: 1; transform: none; }