/* =============================================================
   ajguerin.com — dark literary theme
   A restrained, editorial dark-fantasy palette with a single
   violet→crimson accent (a quiet nod to the prism/hue magic).
   ============================================================= */

/* ---------- Design tokens ---------- */
:root {
  /* Ink base — dark with a violet cast, never flat black-on-black */
  --ink-900: #0b0910;
  --ink-850: #0f0c16;
  --ink-800: #14101d;
  --ink-750: #191423;
  --ink-700: #211a2e;
  --ink-600: #2c2340;

  /* Text */
  --text: #ece7f2;
  --text-dim: #a79fb8;
  --text-faint: #756d86;

  /* Accent — violet primary, crimson for danger/warmth */
  --violet: #9366f0;
  --violet-bright: #b79bff;
  --crimson: #e0224b;
  --accent: var(--violet);
  --accent-bright: var(--violet-bright);

  /* The prism: a spectrum used only on hairline decorative rules */
  --prism: linear-gradient(
    90deg,
    #e0224b 0%,
    #b5179e 30%,
    #7c3aed 58%,
    #4361ee 82%,
    #3aa0ff 100%
  );

  /* Lines & shadows */
  --hairline: rgba(233, 226, 245, 0.09);
  --hairline-strong: rgba(233, 226, 245, 0.16);
  --shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.75);

  /* Type */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;

  /* Layout */
  --measure: 68ch;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --maxw: 1140px;
  --radius: 4px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset-ish base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--ink-900);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  font-weight: 400;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* A faint radial glow so the page never reads as flat black */
  background-image:
    radial-gradient(
      110% 60% at 82% -8%,
      rgba(147, 102, 240, 0.12) 0%,
      transparent 60%
    ),
    radial-gradient(
      90% 55% at 8% 108%,
      rgba(224, 34, 75, 0.08) 0%,
      transparent 55%
    );
  background-attachment: fixed;
}

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

a {
  color: var(--accent-bright);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
a:hover {
  color: var(--text);
}

/* ---------- Typography ---------- */
h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 0.5em;
  font-optical-sizing: auto;
}

h1 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  font-weight: 600;
}
h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
}
h3 {
  font-size: clamp(1.3rem, 2.2vw, 1.65rem);
}

p {
  margin: 0 0 1.25em;
}

.lede {
  font-size: clamp(1.15rem, 1.8vw, 1.35rem);
  line-height: 1.6;
  color: var(--text-dim);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin: 0 0 1.1rem;
}

.text-measure {
  max-width: var(--measure);
}

/* Decorative prism hairline */
.prism-rule {
  height: 2px;
  width: 84px;
  border: 0;
  border-radius: 2px;
  background: var(--prism);
  margin: 0 0 1.6rem;
  opacity: 0.9;
}

/* ---------- Layout helpers ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(3.5rem, 9vw, 7rem);
}

.section--tight {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.section--edge {
  border-top: 1px solid var(--hairline);
}

.section--elev {
  background: linear-gradient(180deg, var(--ink-850), var(--ink-900));
}

/* ---------- Skip link (a11y) ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  background: var(--ink-700);
  color: var(--text);
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--ink-900) 82%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--hairline);
  background: color-mix(in srgb, var(--ink-900) 94%, transparent);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 68px;
}

.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.01em;
  color: var(--text);
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
}
.brand:hover {
  color: var(--text);
}
.brand__mark {
  color: var(--accent-bright);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2.25rem);
}
.nav a {
  color: var(--text-dim);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  position: relative;
  padding-block: 0.4rem;
}
.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--text);
}
.nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: var(--prism);
}

.nav__cta {
  color: var(--text) !important;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  color: var(--text);
  padding: 0.5rem 0.7rem;
  cursor: pointer;
  font: inherit;
  line-height: 1;
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }
  .nav {
    position: fixed;
    inset: 68px 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--ink-850);
    border-bottom: 1px solid var(--hairline);
    padding: 0.5rem var(--gutter) 1.25rem;
    transform: translateY(-120%);
    transition: transform 0.32s var(--ease);
    box-shadow: var(--shadow);
  }
  .nav.is-open {
    transform: translateY(0);
  }
  .nav a {
    width: 100%;
    padding-block: 0.85rem;
    border-bottom: 1px solid var(--hairline);
    font-size: 1.05rem;
  }
  .nav a[aria-current="page"]::after {
    display: none;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s var(--ease), background 0.2s var(--ease),
    border-color 0.2s var(--ease), color 0.2s var(--ease);
  text-align: center;
}
.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--accent);
  color: #fff;
}
.btn--primary:hover {
  background: var(--accent-bright);
  color: #17101f;
}

.btn--ghost {
  background: transparent;
  border-color: var(--hairline-strong);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent-bright);
}

.btn--block {
  width: 100%;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.75rem;
}

/* ---------- Badges / status pills ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--hairline-strong);
  color: var(--text-dim);
}
.pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-bright);
}
.pill--warm::before {
  background: var(--crimson);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(3.5rem, 10vw, 8rem);
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.hero__title {
  margin-bottom: 0.6rem;
}
.hero__logline {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  color: var(--text);
  line-height: 1.45;
  margin: 0 0 1.4rem;
}

@media (max-width: 860px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
  .hero__art {
    order: -1;
    max-width: 320px;
  }
}

/* ---------- Book cover ---------- */
.cover {
  position: relative;
  aspect-ratio: 2 / 3;
  border-radius: 6px;
  overflow: hidden;
  background: var(--ink-750);
  border: 1px solid var(--hairline);
  box-shadow: var(--shadow);
}
.cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cover--tilt {
  transition: transform 0.5s var(--ease);
}
.cover--tilt:hover {
  transform: translateY(-6px) rotate(-0.6deg);
}

/* ---------- Book / feature cards ---------- */
.book {
  display: grid;
  grid-template-columns: minmax(180px, 260px) 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}
.book + .book {
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--hairline);
}
.book__meta {
  margin: 0.9rem 0 1.1rem;
  color: var(--text-faint);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

@media (max-width: 640px) {
  .book {
    grid-template-columns: 1fr;
  }
  .book__cover {
    max-width: 220px;
  }
}

/* Empty cover placeholder (Book 2, no art yet) */
.cover--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem;
  background:
    linear-gradient(160deg, var(--ink-750), var(--ink-850));
}
.cover--placeholder span {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--text-faint);
  font-size: 1rem;
  line-height: 1.4;
}

/* ---------- Author byline (small, sits above a signup form) ---------- */
.author-byline {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.4rem;
}
.author-byline__photo {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--hairline-strong);
  flex-shrink: 0;
}
.author-byline__note {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.95rem;
}

/* ---------- Mailing list / Kit form ---------- */
.signup {
  background: linear-gradient(165deg, var(--ink-750), var(--ink-850));
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: clamp(1.75rem, 4vw, 3rem);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.signup::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--prism);
  opacity: 0.85;
}
.signup__title {
  margin-bottom: 0.4rem;
}
.signup__note {
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.form-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.form-row .field {
  flex: 1 1 240px;
}

.field {
  margin-bottom: 0.9rem;
}
.field > label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.45rem;
}

.input {
  width: 100%;
  background: var(--ink-900);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  color: var(--text);
  font: inherit;
  padding: 0.85rem 1rem;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.input::placeholder {
  color: var(--text-faint);
}
.input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(147, 102, 240, 0.22);
}

.form-fineprint {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--text-faint);
}

.form-notice {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: 1px dashed var(--hairline-strong);
  background: rgba(147, 102, 240, 0.06);
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Visually-hidden but available to screen readers / honeypot */
.vh {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Feature grid ---------- */
.grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}
.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}
@media (max-width: 800px) {
  .grid--3 {
    grid-template-columns: 1fr;
  }
  .grid--2 {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--ink-800);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: clamp(1.4rem, 3vw, 2rem);
  height: 100%;
}
.card h3 {
  margin-bottom: 0.4rem;
}
.card p:last-child {
  margin-bottom: 0;
}

/* ---------- About / portrait ---------- */
.about {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (max-width: 760px) {
  .about {
    grid-template-columns: 1fr;
  }
  .about__portrait {
    max-width: 260px;
  }
}
.portrait {
  aspect-ratio: 4 / 5;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: linear-gradient(160deg, var(--ink-750), var(--ink-850));
  display: flex;
  align-items: center;
  justify-content: center;
}
.portrait span {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--text-faint);
  padding: 1rem;
  text-align: center;
}
.portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- Affiliations (member/org badge logos) ---------- */
.affiliations {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding-top: clamp(1.75rem, 4vw, 2.5rem);
  border-top: 1px solid var(--hairline);
}
.affiliations__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}
.affiliation-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #f4f2f7;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 0.75rem 1rem;
}
.affiliation-badge img {
  height: 56px;
  width: auto;
  display: block;
}

/* ---------- CTA band ---------- */
.cta-band {
  text-align: center;
}
.cta-band .wrap {
  max-width: 720px;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--hairline);
  background: var(--ink-850);
  padding-block: clamp(2.5rem, 6vw, 4rem);
  color: var(--text-faint);
  font-size: 0.9rem;
}
.site-footer__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem 2rem;
  align-items: flex-start;
}
.site-footer .brand {
  font-size: 1.1rem;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}
.footer-nav a {
  color: var(--text-dim);
  font-size: 0.92rem;
}
.footer-nav a:hover {
  color: var(--text);
}
.footer-legal {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
}
.social-links {
  display: flex;
  gap: 1.1rem;
}

/* ---------- Scroll-in animation (minimal) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

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

/* ---------- Focus visibility ---------- */
:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 3px;
  border-radius: 2px;
}