:root {
  --ink: #090909;
  --paper: #f7f7f4;
  --white: #fff;
  --line: #d7d7d2;
  --muted: #666660;
  --accent: #c7a861;
  --display: "Oswald", Impact, sans-serif;
  --body: "DM Sans", Arial, sans-serif;
  --serif: "Playfair Display", Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--body); font-size: 16px; line-height: 1.6; }
a { color: inherit; }
img { display: block; max-width: 100%; }

.site-header { height: 88px; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(24px, 5vw, 84px); border-bottom: 1px solid var(--line); background: rgba(247,247,244,.92); backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 20; }
.brand { display: inline-flex; text-decoration: none; }
.brand img { display: block; width: 245px; height: auto; mix-blend-mode: multiply; }
.header-link { font-weight: 700; text-decoration: none; border-bottom: 1px solid var(--ink); padding-bottom: 4px; }

.hero { min-height: calc(100vh - 88px); display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(380px, .98fr); align-items: center; gap: clamp(30px, 6vw, 96px); max-width: 1500px; margin: auto; padding: clamp(64px, 8vw, 120px) clamp(24px, 6vw, 100px); overflow: hidden; }
.eyebrow { display: flex; align-items: center; gap: 12px; text-transform: uppercase; letter-spacing: .17em; font-weight: 700; font-size: 13px; }
.eyebrow span { width: 42px; height: 2px; background: var(--accent); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 24px 0 28px; font: 600 clamp(58px, 7vw, 108px)/.95 var(--display); letter-spacing: -.035em; text-transform: uppercase; }
h1 em, h2 em { font-family: var(--serif); font-weight: 600; text-transform: none; letter-spacing: -.04em; }
.lede { max-width: 680px; color: #3f3f3a; font-size: clamp(17px, 1.25vw, 20px); line-height: 1.7; }
.hero-actions, .contact-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; padding: 14px 22px; border: 1px solid var(--ink); text-decoration: none; font-weight: 700; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-dark { background: var(--ink); color: var(--white); }
.button-light { background: transparent; }
.button-white { background: var(--white); color: var(--ink); border-color: var(--white); }
.quick-facts { display: flex; gap: 34px; margin-top: 46px; padding-top: 22px; border-top: 1px solid var(--line); }
.quick-facts div { display: flex; gap: 11px; align-items: center; }
.quick-facts strong { font: 600 34px/1 var(--display); }
.quick-facts span { max-width: 88px; color: var(--muted); font-size: 12px; line-height: 1.3; }

.packet-stage { min-height: 640px; position: relative; display: grid; place-items: center; perspective: 1400px; }
.halo { position: absolute; width: 78%; aspect-ratio: 1; border: 1px solid var(--line); border-radius: 50%; }
.halo::before, .halo::after { content: ""; position: absolute; inset: 9%; border: 1px solid var(--line); border-radius: 50%; }
.halo::after { inset: 20%; background: var(--accent); opacity: .11; border: 0; }
.book { position: absolute; width: min(58%, 380px); background: white; box-shadow: 0 32px 65px rgba(0,0,0,.2); transition: transform .45s ease; }
.book img { width: 100%; }
.book-back { transform: translate(-20%, -1%) rotate(-8deg); filter: grayscale(1); }
.book-front { transform: translate(18%, 3%) rotate(5deg); z-index: 2; text-decoration: none; }
.book-front:hover { transform: translate(18%, -1%) rotate(2deg) scale(1.025); }
.open-badge { position: absolute; right: -24px; bottom: 30px; background: var(--ink); color: white; padding: 12px 15px; font-size: 13px; font-weight: 700; box-shadow: 0 8px 25px rgba(0,0,0,.2); }

.statement { background: var(--ink); color: white; text-align: center; padding: clamp(70px, 10vw, 150px) 24px; }
.statement p { color: #aaa; font-size: clamp(16px, 2vw, 23px); margin-bottom: 8px; }
.statement h2 { max-width: 1100px; margin: auto; font: 600 clamp(45px, 6.5vw, 92px)/1 var(--display); text-transform: uppercase; }
.statement h2 em { color: var(--accent); }

.partner-section { padding: clamp(72px, 9vw, 140px) clamp(24px, 6vw, 100px); max-width: 1500px; margin: auto; }
.section-heading { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; align-items: start; margin-bottom: 56px; }
.section-heading h2, .packet-copy h2, .contact-section h2 { font: 600 clamp(42px, 5vw, 72px)/1.05 var(--display); text-transform: uppercase; margin-bottom: 0; }
.partner-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.partner-card { min-height: 420px; padding: 34px; display: flex; flex-direction: column; border-right: 1px solid var(--line); position: relative; overflow: hidden; }
.partner-card:last-child { border-right: 0; }
.partner-card.featured { background: var(--ink); color: white; }
.card-number { font: 500 13px/1 var(--body); color: var(--muted); }
.featured .card-number { color: #999; }
.card-icon { font-size: 58px; line-height: 1; margin: 35px 0 24px; color: var(--accent); }
.partner-card h3 { font: 600 36px/1.05 var(--display); text-transform: uppercase; margin-bottom: 18px; }
.partner-card p { color: var(--muted); }
.featured p { color: #bbb; }
.partner-card a, .share-button { color: inherit; font: 700 14px/1.4 var(--body); margin-top: auto; padding-top: 24px; text-decoration: none; border: 0; border-top: 1px solid currentColor; background: none; text-align: left; cursor: pointer; display: flex; justify-content: space-between; width: 100%; }

.packet-section { background: #111; color: white; display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(40px, 7vw, 110px); align-items: center; padding: clamp(72px, 10vw, 150px) clamp(24px, 6vw, 100px); overflow: hidden; }
.eyebrow-light { color: #ccc; }
.packet-copy p:not(.eyebrow) { color: #aaa; max-width: 580px; font-size: 18px; margin: 26px 0 32px; }
.page-strip { display: flex; gap: 14px; align-items: center; transform: rotate(-3deg); }
.page-strip img { width: 31%; max-height: 530px; object-fit: cover; object-position: top; box-shadow: 0 25px 60px rgba(0,0,0,.45); }
.page-strip img:first-child { margin-left: -10%; }
.page-strip img:nth-child(even) { transform: translateY(24px); }

.contact-section { text-align: center; padding: clamp(80px, 11vw, 160px) 24px; }
.contact-section .eyebrow { justify-content: center; }
.contact-section h2 { margin: 24px auto; }
.contact-section > p:not(.eyebrow) { max-width: 650px; margin: 0 auto; color: var(--muted); font-size: 18px; }
.contact-actions { justify-content: center; }

footer { background: var(--ink); color: white; min-height: 210px; padding: 48px clamp(24px, 6vw, 100px); display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: start; }
.footer-brand img { width: 265px; filter: invert(1); mix-blend-mode: screen; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; justify-content: flex-end; }
.footer-links a { color: #bbb; text-decoration: none; }
footer > p { grid-column: 1 / -1; margin: 22px 0 0; padding-top: 24px; border-top: 1px solid #333; color: #888; text-transform: uppercase; letter-spacing: .24em; font-size: 11px; }
footer > p span { color: var(--accent); margin: 0 10px; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 140%); padding: 12px 18px; background: var(--accent); color: var(--ink); font-weight: 700; z-index: 50; transition: transform .3s ease; }
.toast.show { transform: translate(-50%, 0); }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; padding-top: 70px; }
  .packet-stage { min-height: 570px; }
  .section-heading, .packet-section { grid-template-columns: 1fr; }
  .partner-grid { grid-template-columns: 1fr; }
  .partner-card { min-height: 350px; border-right: 0; border-bottom: 1px solid var(--line); }
  .partner-card:last-child { border-bottom: 0; }
  .page-strip { margin-top: 20px; }
}

@media (max-width: 620px) {
  .site-header { height: 74px; padding: 0 20px; }
  .brand img { width: 195px; }
  .header-link { font-size: 13px; }
  .hero { min-height: auto; padding: 54px 20px 70px; }
  h1 { font-size: clamp(49px, 15vw, 72px); }
  .hero-actions .button, .contact-actions .button { width: 100%; }
  .quick-facts { gap: 12px; justify-content: space-between; }
  .quick-facts div { display: block; }
  .quick-facts span { display: block; margin-top: 6px; }
  .packet-stage { min-height: 460px; margin-inline: -8px; }
  .book { width: 60%; }
  .open-badge { right: -10px; bottom: 18px; }
  .partner-section, .packet-section { padding-inline: 20px; }
  .section-heading { gap: 12px; }
  .page-strip { width: 155%; margin-left: -22%; }
  .page-strip img { width: 30%; }
  footer { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; flex-direction: column; gap: 5px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}