/* BallRoute website — premium gaming/puzzle landing. Light + dark theming via
   [data-theme] on <html>. Dark is the default. */
:root {
  --teal: #2dd4bf;
  --teal-deep: #14b8a6;
  --green: #34d399;
  --glow: rgba(45, 212, 191, 0.45);
  --radius: 20px;
  --maxw: 1140px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* dark (default) */
  --bg: #070b15;
  --bg-2: #0b1120;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-solid: #111a2e;
  --card-border: rgba(255, 255, 255, 0.09);
  --text: #eaf1fb;
  --muted: #98a8c2;
  --header-bg: rgba(7, 11, 21, 0.72);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  --hero-glow: radial-gradient(900px 520px at 78% 8%, rgba(45,212,191,0.16), transparent 60%),
               radial-gradient(700px 460px at 8% 16%, rgba(52,211,153,0.10), transparent 55%);
}
html[data-theme="light"] {
  --bg: #f5f8fc;
  --bg-2: #ffffff;
  --surface: #ffffff;
  --surface-solid: #ffffff;
  --card-border: #e6ecf5;
  --text: #0d1730;
  --muted: #5a6b86;
  --header-bg: rgba(255, 255, 255, 0.82);
  --shadow: 0 20px 50px rgba(13, 23, 48, 0.10);
  --hero-glow: radial-gradient(900px 520px at 78% 8%, rgba(45,212,191,0.12), transparent 60%),
               radial-gradient(700px 460px at 8% 16%, rgba(52,211,153,0.08), transparent 55%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--hero-glow), var(--bg);
  background-attachment: fixed;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color .3s, color .3s;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.section { padding: 88px 0; }
section[id] { scroll-margin-top: 88px; } /* keep headings clear of the sticky header */
.section-sep { border: 0; border-top: 1px solid var(--card-border); margin: 0; opacity: .6; }
.muted { color: var(--muted); }
.center { text-align: center; }

h1, h2, h3 { line-height: 1.12; margin: 0 0 14px; letter-spacing: -0.02em; }
h1 { font-size: clamp(44px, 7vw, 78px); font-weight: 800; }
h2 { font-size: clamp(30px, 4.4vw, 44px); font-weight: 800; }
h3 { font-size: 20px; font-weight: 700; }
.eyebrow { color: var(--teal); font-weight: 800; letter-spacing: .16em; text-transform: uppercase; font-size: 12.5px; }
.gradient-text { background: linear-gradient(120deg, var(--teal), var(--green)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---- Header ---- */
.site-header { position: sticky; top: 0; z-index: 60; backdrop-filter: blur(16px); background: var(--header-bg); border-bottom: 1px solid var(--card-border); }
.nav { position: relative; display: flex; align-items: center; gap: 16px; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
/* Logo is a small mark + wordmark — never a hero overlay. */
.brand-mark, .header-logo { height: 32px; max-width: 60px; width: auto; object-fit: contain; display: block; }
.brand-word { font-size: 20px; font-weight: 800; letter-spacing: 0.04em; color: var(--text); }
.brand-word span { color: var(--teal); }
.site-footer .brand-mark { height: 28px; }
/* nav links centered absolutely so logo (left) and tools (right) stay put */
.nav-links { position: absolute; left: 50%; transform: translateX(-50%); display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--muted); font-size: 15px; font-weight: 600; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-spacer { flex: 1; }
.nav-tools { display: flex; align-items: center; gap: 10px; }
.icon-btn { width: 44px; height: 38px; border-radius: 999px; border: 1px solid var(--card-border); background: var(--surface); color: var(--text); display: inline-flex; align-items: center; justify-content: center; cursor: pointer; transition: border-color .2s, transform .15s, background .2s; }
.theme-toggle { width: 54px; height: 38px; border-radius: 999px; border: 1px solid var(--card-border); background: var(--surface); color: var(--teal); display: inline-flex; align-items: center; justify-content: center; cursor: pointer; transition: border-color .2s, transform .15s, background .2s; }
.icon-btn:hover, .theme-toggle:hover { border-color: var(--teal); transform: translateY(-1px); }
.theme-toggle svg { width: 19px; height: 19px; }
html[data-theme="light"] .theme-toggle { background: #eef3fa; }
.lang-select { appearance: none; -webkit-appearance: none; border: 1px solid var(--card-border); background-color: var(--surface); color: var(--text); border-radius: 999px; padding: 10px 30px 10px 36px; font-size: 14px; font-weight: 600; font-family: var(--font); cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239fb0c9' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M3 12h18M12 3c3 3.5 3 14.5 0 18M12 3c-3 3.5-3 14.5 0 18'/%3E%3C/svg%3E"), linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: left 12px center, right 14px center, right 9px center; background-size: 15px 15px, 5px 5px, 5px 5px; background-repeat: no-repeat; }
html[data-theme="light"] .lang-select { background-color: #eef3fa; }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); font-size: 26px; cursor: pointer; }

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 15px; font-weight: 700; font-size: 15px; border: 1px solid transparent; cursor: pointer; transition: transform .15s, box-shadow .25s, background .2s; }
.btn-primary { background: linear-gradient(120deg, var(--teal), var(--teal-deep)); color: #04221d; box-shadow: 0 12px 34px var(--glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 44px var(--glow); }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--card-border); }
.btn-ghost:hover { border-color: var(--teal); }

/* Official-style store badges (solid black, like the real App Store / Google Play badges) */
.store-badges { display: flex; gap: 14px; flex-wrap: wrap; }
.store-btn { display: inline-flex; align-items: center; gap: 11px; padding: 11px 18px; border-radius: 13px; background: #000; border: 1px solid rgba(255,255,255,0.18); color: #fff; min-width: 188px; transition: transform .15s, box-shadow .2s; }
.store-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(0,0,0,.45); }
.store-btn svg { width: 26px; height: 26px; flex: 0 0 auto; }
.store-btn .sb-txt { display: flex; flex-direction: column; line-height: 1.12; }
.store-btn .sb-small { font-size: 10.5px; font-weight: 500; opacity: .85; letter-spacing: .02em; }
.store-btn .sb-big { font-size: 18px; font-weight: 700; letter-spacing: .01em; }
.store-btn[aria-disabled="true"] { cursor: default; }
.hero-meta { display: inline-flex; align-items: center; gap: 9px; margin-top: 20px; color: var(--muted); font-size: 14px; font-weight: 600; }
.hero-meta svg { width: 18px; height: 18px; color: var(--teal); }

/* ---- Hero ---- */
.hero { position: relative; overflow: hidden; min-height: 720px; display: flex; align-items: center; padding: 50px 0; }
.hero > .container { width: 100%; }
.background-glow { position: absolute; inset: 0; z-index: 0; pointer-events: none; background: var(--hero-glow); }
.hero-content { position: relative; z-index: 2; }
.hero-visual { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.hero .tagline { font-size: 20px; color: var(--text); max-width: 520px; margin-top: 14px; }
.hero .subtag { font-size: 16px; color: var(--muted); }
.hero-cta { margin-top: 28px; }

/* Hero board image (slide.png) with a soft glow behind it */
.hero-visual { display: grid; place-items: center; position: relative; }
.hero-visual::before { content: ""; position: absolute; width: 80%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, var(--glow), transparent 62%); filter: blur(34px); z-index: 0; }
.hero-board-img { position: relative; z-index: 1; max-width: 560px; width: 100%; height: auto; object-fit: contain; filter: drop-shadow(0 30px 60px rgba(0,0,0,.5)); animation: float 6s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@media (prefers-reduced-motion: reduce) { .hero-board-img { animation: none; } }

/* Step cards (how it works) with the premium icon image on the right */
.step-card { display: flex; align-items: center; gap: 16px; }
.step-card .step-body { flex: 1; min-width: 0; }
.step-circle { width: 38px; height: 38px; border-radius: 50%; border: 2px solid var(--teal); color: var(--teal); display: grid; place-items: center; font-weight: 800; font-size: 16px; margin-bottom: 10px; }
.step-icon { width: 92px; height: 92px; flex: 0 0 auto; object-fit: contain; }

/* 4-up feature strip */
.mini-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.mini { display: flex; gap: 14px; align-items: flex-start; padding: 22px; background: var(--surface); border: 1px solid var(--card-border); border-radius: var(--radius); }
html[data-theme="light"] .mini { background: var(--surface-solid); box-shadow: var(--shadow); }
.mini .m-ico { width: 44px; height: 44px; border-radius: 12px; background: rgba(45,212,191,.14); color: var(--teal); display: grid; place-items: center; flex: 0 0 auto; }
.mini .m-ico svg { width: 22px; height: 22px; }
.mini h3 { font-size: 16px; margin: 2px 0 4px; }
.mini p { margin: 0; font-size: 13.5px; }

/* ---- Cards / grids ---- */
.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--surface); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 26px; transition: transform .2s, border-color .2s, box-shadow .25s; backdrop-filter: blur(6px); }
html[data-theme="light"] .card { background: var(--surface-solid); box-shadow: var(--shadow); }
.card:hover { transform: translateY(-4px); border-color: var(--teal); box-shadow: 0 18px 50px var(--glow); }
.card .ico { width: 50px; height: 50px; border-radius: 14px; background: rgba(45,212,191,.16); color: var(--teal); display: grid; place-items: center; margin-bottom: 14px; font-size: 24px; }
.step-num { display: inline-block; font-size: 12px; font-weight: 800; color: var(--teal); letter-spacing: .12em; margin-bottom: 8px; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none; }
  .spin { animation: none; }
  html { scroll-behavior: auto; }
}

/* final CTA band */
.cta-band { position: relative; border-radius: 28px; padding: 56px 28px; text-align: center; background: linear-gradient(150deg, rgba(45,212,191,.16), rgba(52,211,153,.06)); border: 1px solid var(--card-border); overflow: hidden; }

/* ---- Forms ---- */
.form { display: grid; gap: 14px; max-width: 560px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; font-weight: 600; }
.field input, .field textarea, .field select { width: 100%; padding: 13px 14px; border-radius: 12px; background: var(--bg-2); border: 1px solid var(--card-border); color: var(--text); font-size: 15px; font-family: var(--font); }
.field textarea { min-height: 130px; resize: vertical; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: 13px; }
.ok { color: var(--green); } .err { color: #f87171; }

/* ---- Prose (privacy/terms) ---- */
.prose { max-width: 780px; }
.prose h2 { margin-top: 34px; font-size: 24px; }
.prose ul { padding-left: 20px; } .prose li { margin-bottom: 6px; }
.toc { position: sticky; top: 90px; }

/* ---- Footer ---- */
.site-footer { border-top: 1px solid var(--card-border); padding: 46px 0 34px; color: var(--muted); margin-top: 30px; }
.footer-grid { display: flex; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a:hover { color: var(--text); }

/* ---- Responsive ---- */
@media (max-width: 980px) {
  .mini-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 880px) {
  .hero-grid, .grid-3, .grid-2, .mini-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-links.open { display: flex; position: absolute; top: 72px; left: 0; right: 0; transform: none; flex-direction: column; gap: 6px; background: var(--bg-2); padding: 14px 22px 20px; border-bottom: 1px solid var(--card-border); }
  .nav-links.open a { padding: 8px 0; }
  .nav-toggle { display: block; }
  .section { padding: 58px 0; }
  .hero { padding: 26px 0 40px; min-height: auto; }
  .hero-visual { order: -1; } /* board above text on mobile */
  .hero-board-img { max-width: 360px; }
  .store-btn { min-width: 0; flex: 1; justify-content: center; }
  .step-icon { width: 70px; height: 70px; }
}
