/* Grand Slam Exchange (GSE Cards). Navy ballpark night, gold foil accent, chalk-line structure. Light theme by choice; every color explicit. */
:root {
  --navy: #0f1a2b;
  --navy-2: #182640;
  --navy-3: #22324f;
  --gold: #c9a227;
  --gold-2: #e3bf4a;
  --gold-ink: #7a5f0e;
  --paper: #f4f6f8;
  --surface: #ffffff;
  --surface-2: #e9edf2;
  --ink: #14202c;
  --ink-2: #4b5a69;
  --ink-3: #74838f;
  --line: #d9dfe6;
  --line-dark: #2f3f5c;
  --stitch: #b8322c;
  --font-display: "Oswald", "Arial Narrow", Impact, sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", Helvetica, Arial, sans-serif;
  --space-1: 8px; --space-2: 16px; --space-3: 24px; --space-4: 32px; --space-5: 40px; --space-6: 48px; --space-8: 64px;
  --radius: 6px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; overflow-x: clip; }
body { overflow-x: clip;  font-family: var(--font-body); color: var(--ink); background: var(--paper); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 var(--space-3); }
.section { padding: clamp(60px, 8vw, 110px) 0; }
.section--surface { background: var(--surface-2); }
.section--navy { background: var(--navy); color: #fff; }

.display { font-family: var(--font-display); font-weight: 700; font-size: clamp(2.4rem, 6vw, 4.2rem); line-height: 1.02; letter-spacing: 0.005em; text-wrap: balance; }
.h1 { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.8rem, 3.6vw, 2.7rem); line-height: 1.1; text-wrap: balance; max-width: 22ch; }
.h3 { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.15rem, 1.8vw, 1.4rem); line-height: 1.25; letter-spacing: 0.01em; }
.body-lg { font-size: clamp(1.05rem, 1.4vw, 1.2rem); line-height: 1.6; color: var(--ink-2); max-width: 60ch; }
.body { font-size: 1rem; line-height: 1.6; color: var(--ink-2); max-width: 60ch; }
.body--light { color: #c9d2de; }
.label { font-family: var(--font-display); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold-ink); margin-bottom: var(--space-2); }
.label--gold { color: var(--gold-2); }
.section .h1 { margin-bottom: var(--space-4); }

/* Nav */
.nav { position: fixed; top: 0; width: 100%; z-index: 100; background: rgba(15, 26, 43, 0.92); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255,255,255,0.08); color: #fff; }
.nav.scrolled { background: rgba(15, 26, 43, 0.98); box-shadow: 0 2px 14px rgba(0,0,0,0.25); }
.nav__inner { display: flex; align-items: center; gap: var(--space-3); min-height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand__mark { width: 44px; height: 44px; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__name { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; letter-spacing: 0.03em; text-transform: uppercase; white-space: nowrap; }
.brand__sub { font-size: 0.72rem; color: var(--gold-2); letter-spacing: 0.08em; text-transform: uppercase; }
.nav__links { display: none; gap: var(--space-3); margin-left: auto; font-weight: 600; font-size: 0.95rem; }
.nav__links a { color: #d8dee8; padding: 6px 0; border-bottom: 2px solid transparent; transition: color 0.25s ease, border-color 0.25s ease; }
.nav__links a:hover { color: #fff; border-color: var(--gold); }
.nav .nav__cta { display: none; }
.menu-toggle { margin-left: auto; width: 44px; height: 44px; background: transparent; border: 1px solid rgba(255,255,255,0.2); border-radius: var(--radius); display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; cursor: pointer; }
.menu-toggle span { display: block; width: 20px; height: 2px; background: #fff; transition: transform 0.25s ease, opacity 0.25s ease; }
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { display: none; flex-direction: column; background: var(--navy-2); border-top: 1px solid var(--line-dark); }
.mobile-menu.open { display: flex; }
.mobile-menu a { padding: 16px var(--space-3); border-bottom: 1px solid var(--line-dark); font-weight: 600; color: #fff; }
.mobile-menu a:last-child { color: var(--gold-2); }
@media (min-width: 900px) {
  .nav__links { display: flex; }
  .nav .nav__cta { display: inline-flex; }
  .menu-toggle, .mobile-menu { display: none !important; }
}

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 24px; border-radius: var(--radius); font-family: var(--font-display); font-weight: 600; font-size: 1rem; letter-spacing: 0.04em; text-transform: uppercase; cursor: pointer; border: 1px solid transparent; transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease; }
.btn:hover { transform: translateY(-1px); }
.btn--gold { background: var(--gold); color: var(--navy); }
.btn--gold:hover { background: var(--gold-2); }
.btn--navy { background: var(--navy); color: #fff; }
.btn--navy:hover { background: var(--navy-3); }
.btn--outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.45); }
.btn--outline-light:hover { border-color: #fff; background: rgba(255,255,255,0.06); }
.btn:focus-visible { outline: 3px solid var(--gold-2); outline-offset: 2px; }

/* Hero */
.hero { position: relative; background: var(--navy); color: #fff; padding: calc(68px + clamp(56px, 9vw, 120px)) 0 clamp(56px, 8vw, 100px); overflow: hidden; }
.hero__inner { position: relative; z-index: 1; max-width: 760px; }
.hero .label { color: var(--gold-2); }
.hero__lead { color: #c9d2de; margin-top: var(--space-3); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: var(--space-4); }
.hero__next { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: baseline; margin-top: var(--space-5); padding-top: var(--space-3); border-top: 1px solid var(--line-dark); color: #c9d2de; font-size: 0.95rem; }
.hero__next-label { font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.1em; color: var(--gold-2); font-size: 0.8rem; }
.hero__diamond { position: absolute; right: -8vw; top: 12%; width: min(52vw, 560px); aspect-ratio: 1; border: 2px solid rgba(201,162,39,0.22); transform: rotate(45deg); border-radius: 10px; pointer-events: none; }
.hero__diamond::before { content: ""; position: absolute; inset: 14%; border: 1px solid rgba(201,162,39,0.14); border-radius: 8px; }
.hero__diamond::after { content: ""; position: absolute; left: 50%; top: 50%; width: 10px; height: 10px; margin: -5px; background: var(--gold); border-radius: 50%; box-shadow: 0 0 0 10px rgba(201,162,39,0.12); }

/* Steps */
.steps { margin-top: var(--space-2); }
.step { padding: var(--space-4) 0 0; border-top: 3px solid var(--line); position: relative; }
.step__num { font-family: var(--font-display); font-weight: 700; font-size: 2.4rem; color: var(--gold); line-height: 1; display: block; margin-bottom: var(--space-2); }
.step .h3 { margin-bottom: var(--space-1); }

/* Cards */
.grid { display: grid; gap: var(--space-4); }
.grid--3 { grid-template-columns: 1fr; }
@media (min-width: 820px) { .grid--3 { grid-template-columns: repeat(3, 1fr); } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--space-4); transition: transform 0.3s ease, box-shadow 0.3s ease; }
.card--navy { background: var(--navy-2); border-color: var(--line-dark); color: #fff; }
.card--navy:hover { transform: translateY(-3px); box-shadow: 0 14px 36px rgba(0,0,0,0.3); }
.card .h3 { margin-bottom: var(--space-1); }
.promises { margin-top: var(--space-6); display: grid; gap: var(--space-2); max-width: 760px; }
.promises li { padding-left: 22px; position: relative; color: #c9d2de; }
.promises li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 10px; height: 10px; background: var(--gold); transform: rotate(45deg); }
.promises strong { color: #fff; }

/* Buy section */
.buy { display: grid; gap: var(--space-6); }
@media (min-width: 900px) { .buy { grid-template-columns: 1.1fr 0.9fr; align-items: start; } }
.buy__lists { display: grid; gap: var(--space-4); margin-top: var(--space-4); }
@media (min-width: 600px) { .buy__lists { grid-template-columns: 1fr 1fr; } }
.buy__lists .h3 { margin-bottom: var(--space-1); }
.checklist li { padding-left: 22px; position: relative; color: var(--ink-2); margin: 6px 0; }
.checklist li::before { content: ""; position: absolute; left: 0; top: 0.5em; width: 10px; height: 10px; background: var(--gold); transform: rotate(45deg); }
.checklist--muted li::before { background: var(--ink-3); }
.buy__form { background: var(--surface); border: 1px solid var(--line); border-top: 4px solid var(--gold); border-radius: var(--radius); padding: var(--space-4); }
.buy__form .h3 { margin-bottom: var(--space-3); }
.form-group { margin-bottom: var(--space-2); }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; color: var(--ink); }
.form-input { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 4px; font-family: var(--font-body); font-size: 1rem; color: var(--ink); background: #fff; transition: border-color 0.25s ease, box-shadow 0.25s ease; }
.form-input:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(15,26,43,0.12); }
.form-input.invalid { border-color: var(--stitch); }
.form-note { font-size: 0.92rem; color: var(--ink-2); margin: var(--space-2) 0; }
.form-note a { color: var(--gold-ink); font-weight: 600; text-decoration: underline; }
.form-fine { font-size: 0.82rem; color: var(--ink-3); margin-top: var(--space-2); }
.form-success { font-size: 1.05rem; color: var(--ink); padding: var(--space-3) 0; }
.form-success a { color: var(--gold-ink); font-weight: 600; text-decoration: underline; }

/* Shows */
.shows-grid { margin-top: var(--space-2); }
.show { padding: var(--space-3); background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--navy); border-radius: var(--radius); }
.show .h3 { margin-bottom: 6px; }
.find__note { margin-top: var(--space-4); color: var(--ink-3); }

/* CTA */
.cta__inner { text-align: left; max-width: 760px; }
.cta .h1 { max-width: 20ch; }
.cta .body-lg { margin: var(--space-2) 0 var(--space-3); }

/* Footer */
.footer { background: #0a1220; color: #c9d2de; padding: var(--space-6) 0 var(--space-5); border-top: 1px solid var(--line-dark); }
.footer__inner { display: grid; gap: var(--space-4); }
@media (min-width: 820px) { .footer__inner { grid-template-columns: 1fr 1fr; } .footer__fine { grid-column: 1 / -1; } }
.footer__brand { display: flex; gap: 12px; align-items: center; }
.footer__brand strong { font-family: var(--font-display); color: #fff; letter-spacing: 0.04em; text-transform: uppercase; }
.footer__links { display: flex; flex-wrap: wrap; gap: var(--space-3); align-content: start; font-weight: 600; }
.footer__links a { color: var(--gold-2); }
.footer__fine { font-size: 0.82rem; color: #8b98a8; max-width: 70ch; }

/* Motion */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.load-in { opacity: 0; transform: translateY(16px); animation: loadIn 0.6s ease forwards; }
.load-in:nth-child(1) { animation-delay: 0.05s; }
.load-in:nth-child(2) { animation-delay: 0.15s; }
.load-in:nth-child(3) { animation-delay: 0.25s; }
.load-in:nth-child(4) { animation-delay: 0.35s; }
.load-in:nth-child(5) { animation-delay: 0.45s; }
@keyframes loadIn { to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) {
  .reveal, .load-in { opacity: 1; transform: none; animation: none; transition: none; }
  html { scroll-behavior: auto; }
}