/* ==========================================================================
   DM First - design system
   Premium dark "gaming" aesthetic: deep violet-black, gold + electric violet.
   ========================================================================== */

:root {
  /* Surfaces */
  --bg: #021c15;
  --bg-2: #063127;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  /* Brand */
  --gold: #f2ce72;
  --gold-2: #ffe7a6;
  --gold-deep: #ddb85d;
  --violet: #12a875;
  --violet-2: #46d6a2;
  --pink: #fb5b5b;
  --green: #12a875;
  --on-accent: #063127;      /* text on gold buttons/badges */
  --text-soft: #d2e3d9;      /* lead paragraphs, softer than --text */
  --tile-light: #0e5a47;     /* logo tile gradient */
  --tile-dark: #042a20;
  --accent-rgb: 242, 206, 114;  /* = --gold, for rgba() */
  --accent2-rgb: 18, 168, 117;  /* = --violet, for rgba() */
  --glass-rgb: 2, 24, 18;       /* header / menus / sticky bar glass */

  /* Text */
  --text: #f1f6f2;
  --muted: #a6c3b5;
  --muted-2: #6f9183;

  /* Effects */
  --radius: 16px;
  --radius-lg: 24px;
  --radius-sm: 10px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.7);
  --shadow-gold: 0 14px 40px -12px rgba(var(--accent-rgb), 0.45);
  --maxw: 1140px;
  --gradient-gold: linear-gradient(135deg, var(--gold-2), var(--gold) 45%, var(--gold-deep));
  --gradient-violet: linear-gradient(135deg, var(--violet-2), var(--violet));

  --ff-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --ff-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  /* theme-aware extras (defaults reproduce the dark theme; see PLAYBOOK light themes) */
  --accent-ink: #f2ce72;       /* accent used as TEXT / icon color */
  --accent2-ink: #46d6a2;
  --text-gradient: var(--gradient-gold);   /* highlighted headline words + wordmark */
  --monogram-fill: var(--gradient-gold);   /* letters inside the logo tile */
  --sparkle: var(--gold-2);
  --mark-rgb: 242, 206, 114;             /* logo tile ring + border */
  --shade-rgb: 0, 0, 0;           /* shadow color */
  --hover: rgba(255, 255, 255, 0.11);
  --panel: rgba(0, 0, 0, 0.25);
  --shadow-strong: 0 26px 64px -22px rgba(0, 0, 0, 0.76);   /* hero poster + screenshots */
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--ff-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

/* Ambient background glows */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 55% at 78% -5%, rgba(var(--accent2-rgb), 0.20), transparent 60%),
    radial-gradient(55% 50% at 10% 8%, rgba(var(--accent-rgb), 0.14), transparent 55%),
    radial-gradient(70% 60% at 50% 110%, rgba(var(--accent2-rgb), 0.16), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
section { position: relative; }
.section { padding: 72px 0; }
.section-sm { padding: 48px 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-ink);
  padding: 6px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 100px;
  background: var(--surface);
}
.section-head { max-width: 680px; margin-bottom: 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

h1, h2, h3, h4 { font-family: var(--ff-display); font-weight: 700; line-height: 1.12; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.3rem, 6vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); margin-top: 0.2em; }
h3 { font-size: 1.25rem; }
p { color: var(--muted); }
.lead { font-size: 1.12rem; color: var(--text-soft); }
.text-gold { color: var(--accent-ink); }
.text-gradient {
  background: var(--text-gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 14px 26px;
  border-radius: 100px;
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn-primary {
  background: var(--gradient-gold);
  color: var(--on-accent);
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 46px -10px rgba(var(--accent-rgb), 0.6); }
.btn-ghost {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border-strong);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: var(--hover); transform: translateY(-2px); border-color: var(--violet-2); }
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }
.btn-lg { padding: 17px 34px; font-size: 1.08rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(var(--glass-rgb), 0.74);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--ff-display); font-weight: 700; font-size: 1.3rem; letter-spacing: -0.02em; }
/* Logo mark: monogram + orbit swoosh + sparkle on a tile (colors come from brand.json) */
.brand-mark {
  position: relative;
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: 11px;
  background: radial-gradient(130% 130% at 30% 15%, var(--tile-light), var(--tile-dark) 72%);
  border: 1px solid rgba(var(--mark-rgb), 0.4);
  box-shadow: 0 6px 18px -6px rgba(var(--shade-rgb), 0.6), inset 0 0 0 1px rgba(255, 255, 255, 0.03);
  overflow: hidden;
  flex-shrink: 0;
}
.brand-mark b {
  position: relative; z-index: 2;
  font-family: var(--ff-display); font-weight: 700; font-size: 0.98rem; line-height: 1;
  letter-spacing: -0.06em;
  background: var(--monogram-fill);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.brand-mark::before { /* orbital swoosh */
  content: ""; position: absolute; left: 50%; top: 52%;
  width: 54px; height: 22px;
  transform: translate(-50%, -50%) rotate(-24deg);
  border: 1.5px solid rgba(var(--mark-rgb), 0.65);
  border-radius: 50%;
  z-index: 1;
}
.brand-mark::after { /* sparkle */
  content: "✦"; position: absolute; top: 1px; right: 3px;
  font-size: 9px; color: var(--sparkle); z-index: 3;
  text-shadow: 0 0 6px rgba(var(--mark-rgb), 0.9);
}
.brand-word {
  background: var(--text-gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.nav { display: flex; align-items: center; gap: 28px; }
.nav a:not(.btn) {
  font-weight: 500;
  color: var(--muted);
  font-size: 0.97rem;
  position: relative;
  transition: color 0.2s ease;
}
.nav a:not(.btn):hover, .nav a.active { color: var(--text); }
.nav a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px;
  background: var(--gradient-gold); border-radius: 2px;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.25s, opacity 0.25s; }

/* ---------- Hero ---------- */
.hero { padding: 64px 0 56px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.hero h1 { margin-bottom: 20px; }
.hero .lead { max-width: 520px; margin-bottom: 28px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 26px; }
.invite-chip {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 11px 18px;
  border: 1px dashed var(--gold);
  border-radius: 100px;
  background: rgba(var(--accent-rgb), 0.07);
  font-size: 0.95rem;
}
.invite-chip span { color: var(--muted); }
.invite-chip b { font-family: var(--ff-display); color: var(--accent-ink); letter-spacing: 0.06em; font-size: 1.05rem; }
.copy-btn {
  background: var(--surface-2); border: 1px solid var(--border-strong);
  color: var(--text); border-radius: 8px; padding: 4px 10px; font-size: 0.78rem; font-weight: 600;
}
.copy-btn:hover { border-color: var(--gold); color: var(--accent-ink); }

.trust-row { display: flex; flex-wrap: wrap; gap: 20px 26px; margin-top: 30px; }
.trust-row li { display: flex; align-items: center; gap: 9px; font-size: 0.9rem; color: var(--muted); }
.trust-row svg { color: var(--accent-ink); flex-shrink: 0; }

/* Hero art column */
.hero-art { position: relative; display: grid; place-items: center; }

/* ---------- Marquee / logos strip ---------- */
.strip { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 22px 0; background: var(--surface); }
.strip-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 14px 30px; }
.strip-inner span { font-family: var(--ff-display); font-weight: 600; color: var(--muted-2); font-size: 0.98rem; letter-spacing: 0.02em; }
.strip-inner .dot { color: var(--accent-ink); opacity: 0.6; }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--border-strong); background: var(--surface-2); }
.card .ico-box {
  width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center;
  background: var(--surface-2); border: 1px solid var(--border-strong); color: var(--accent-ink);
  margin-bottom: 16px;
}
.card.accent .ico-box { background: var(--gradient-gold); color: var(--on-accent); border-color: transparent; }
.card h3 { margin-bottom: 8px; }
.card p { font-size: 0.95rem; }

/* Game category cards */
.gamecat { position: relative; overflow: hidden; }
.gamecat .tag { font-family: var(--ff-display); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent2-ink); font-weight: 600; }
.gamecat h3 { margin: 6px 0 12px; }
.gamecat ul { display: flex; flex-wrap: wrap; gap: 8px; }
.gamecat ul li {
  font-size: 0.82rem; padding: 5px 12px; border-radius: 100px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--muted);
}

/* ---------- Steps ---------- */
.steps { display: grid; gap: 16px; counter-reset: step; }
.step {
  display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: start;
  padding: 20px 22px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
}
.step-num {
  counter-increment: step;
  width: 40px; height: 40px; border-radius: 12px; flex-shrink: 0;
  display: grid; place-items: center;
  font-family: var(--ff-display); font-weight: 700; font-size: 1.05rem;
  background: var(--surface-2); border: 1px solid var(--border-strong); color: var(--accent-ink);
}
.step-num::before { content: counter(step, decimal-leading-zero); }
.step h4 { font-size: 1.02rem; margin-bottom: 3px; }
.step p { font-size: 0.92rem; }

/* Two-column how-to (login/register side by side) */
.howto-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.howto-panel { padding: 28px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
.howto-panel h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.howto-panel .steps .step { background: var(--surface-2); }

/* Ordered feature list */
.olist { display: grid; gap: 12px; counter-reset: ol; }
/* Block + absolute badge (not flex) so inline <b> text keeps flowing as one sentence */
.olist li { position: relative; padding-left: 40px; min-height: 26px; font-size: 0.95rem; color: var(--muted); }
.olist li::before {
  counter-increment: ol; content: counter(ol);
  position: absolute; left: 0; top: 0;
  width: 26px; height: 26px; border-radius: 8px;
  display: grid; place-items: center; font-family: var(--ff-display); font-size: 0.8rem; font-weight: 700;
  background: var(--surface-2); border: 1px solid var(--border-strong); color: var(--accent-ink);
}

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat { text-align: center; padding: 28px 16px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.stat b { display: block; font-family: var(--ff-display); font-size: clamp(1.8rem, 4vw, 2.6rem); color: var(--accent-ink); letter-spacing: -0.02em; }
.stat span { font-size: 0.88rem; color: var(--muted); }

/* ---------- Split / referral ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.panel-glow {
  border: 1px solid var(--border-strong); border-radius: var(--radius-lg); padding: 34px;
  background: linear-gradient(160deg, rgba(var(--accent2-rgb), 0.14), rgba(var(--accent-rgb), 0.06));
  position: relative; overflow: hidden;
}
.ref-levels { display: grid; gap: 14px; margin-top: 6px; }
.ref-level { display: flex; align-items: center; gap: 16px; padding: 16px 18px; border-radius: 14px; background: var(--panel); border: 1px solid var(--border); }
.ref-level .lv { font-family: var(--ff-display); font-weight: 700; color: var(--accent-ink); font-size: 1.1rem; min-width: 54px; }
.ref-level b { font-family: var(--ff-display); font-size: 1.3rem; color: var(--text); }
.ref-level small { display: block; color: var(--muted-2); font-size: 0.82rem; }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.faq-item[open] { border-color: var(--border-strong); background: var(--surface-2); }
.faq-q {
  list-style: none; cursor: pointer; padding: 20px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-family: var(--ff-display); font-weight: 600; font-size: 1.02rem; color: var(--text);
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q .plus { flex-shrink: 0; width: 26px; height: 26px; position: relative; transition: transform 0.3s ease; }
.faq-q .plus::before, .faq-q .plus::after {
  content: ""; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: var(--gold); border-radius: 2px;
}
.faq-q .plus::before { width: 14px; height: 2px; }
.faq-q .plus::after { width: 2px; height: 14px; transition: transform 0.3s ease; }
.faq-item[open] .faq-q .plus::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-a { padding: 0 24px 22px; }
.faq-a p { font-size: 0.95rem; }

/* ---------- CTA banner ---------- */
.cta-banner {
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  background: linear-gradient(140deg, rgba(var(--accent2-rgb), 0.22), rgba(var(--accent-rgb), 0.12));
  border: 1px solid var(--border-strong);
  position: relative; overflow: hidden;
}
.cta-banner h2 { margin-bottom: 14px; }
.cta-banner p { max-width: 560px; margin: 0 auto 26px; color: var(--text-soft); }
.cta-banner .hero-cta { justify-content: center; }

/* ---------- Notice box ---------- */
.notice {
  display: flex; gap: 16px; align-items: flex-start;
  border: 1px solid rgba(var(--accent-rgb), 0.4); border-radius: var(--radius);
  background: rgba(var(--accent-rgb), 0.07); padding: 22px 24px;
}
.notice .ico-box { flex-shrink: 0; width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; background: var(--gradient-gold); color: var(--on-accent); }
.notice h4 { margin-bottom: 4px; }
.notice p { font-size: 0.93rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 7px; color: var(--text); font-family: var(--ff-display); }
.field input, .field textarea {
  width: 100%; background: var(--surface-2); border: 1px solid var(--border-strong); border-radius: 12px;
  padding: 13px 15px; color: var(--text); font-family: inherit; font-size: 0.95rem; transition: border-color 0.2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--gold); }
.field textarea { resize: vertical; min-height: 130px; }
.contact-info { display: grid; gap: 16px; }
.contact-info .card { display: flex; gap: 16px; align-items: center; }
.contact-info .card .ico-box { margin-bottom: 0; }
.contact-info .card b { font-family: var(--ff-display); display: block; }
.contact-info .card a, .contact-info .card span { color: var(--muted); font-size: 0.95rem; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); margin-top: 40px; background: var(--panel); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding: 56px 20px 36px; }
.footer-grid h4 { font-size: 0.82rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 16px; }
.footer-grid p { font-size: 0.92rem; margin: 14px 0; max-width: 320px; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: var(--muted); font-size: 0.93rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--accent-ink); }
.footer-invite { display: inline-flex; align-items: center; gap: 10px; font-size: 0.85rem; color: var(--muted); padding: 8px 14px; border: 1px dashed var(--border-strong); border-radius: 100px; }
.footer-invite b { color: var(--accent-ink); font-family: var(--ff-display); letter-spacing: 0.05em; }
.footer-bottom { border-top: 1px solid var(--border); padding: 24px 20px 40px; display: grid; gap: 10px; }
.footer-bottom .rg {
  display: flex; align-items: center; gap: 12px; font-size: 0.85rem; color: var(--text-soft);
  padding: 14px 16px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface);
}
.badge-18 { flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font-family: var(--ff-display); font-weight: 700; font-size: 0.78rem; background: var(--pink); color: #fff; }
.footer-bottom small { color: var(--muted-2); font-size: 0.8rem; line-height: 1.6; }
.footer-copy { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; color: var(--muted-2); font-size: 0.85rem; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive rules live in the "Mobile layer" at the end of this file. */

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Hero "in this guide" jump list */
.jump-list { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.jump-list a {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.85rem; font-weight: 600; font-family: var(--ff-display);
  padding: 8px 14px; border-radius: 100px;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--muted); transition: color .2s, border-color .2s, background .2s;
}
.jump-list a:hover { color: var(--accent-ink); border-color: var(--gold); background: rgba(var(--accent-rgb), 0.08); }

/* Guide rows - real screenshots paired with steps */
.guide-row { display: grid; grid-template-columns: 320px 1fr; gap: 40px; align-items: center; }
.guide-row + .guide-row { margin-top: 30px; }
.guide-row.reverse { grid-template-columns: 1fr 320px; }
.guide-row.reverse .shot { order: 2; }
.shot { margin: 0; }
.shot img {
  width: 100%; max-width: 320px; display: block; margin: 0 auto;
  border-radius: 24px; border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-strong), 0 0 0 6px rgba(var(--accent-rgb), 0.05);
}
.shot figcaption { text-align: center; font-size: 0.82rem; color: var(--muted-2); margin-top: 14px; }
.guide-row .howto-panel { margin: 0; }
@media (max-width: 820px) {
  .guide-row, .guide-row.reverse { grid-template-columns: 1fr; gap: 24px; }
  .guide-row.reverse .shot { order: 0; }
  .shot img { max-width: 280px; }
}

/* Image aspect-ratio fix (prevents stretch from width/height attrs) */
img { height: auto; }

/* Hero poster artwork */
.hero-poster {
  width: 100%; max-width: 400px; margin: 0 auto; display: block;
  border-radius: 24px; border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-strong), 0 0 0 6px rgba(var(--accent-rgb), 0.06);
}
@media (max-width: 900px) { .hero-poster { max-width: 330px; } }

/* Two-column step grid (reset-password block) */
.steps-2 { grid-template-columns: repeat(2, 1fr); }

/* Hamburger morphs into an X when open */
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Sticky mobile CTA bar (hidden on desktop) */
.mcta { display: none; }

/* ==========================================================================
   Mobile layer: kept last so it overrides every base rule above
   ========================================================================== */
@media (max-width: 900px) {
  /* minmax(0,1fr) stops wide no-wrap children (swipe rows) from blowing the column past the screen */
  .hero-grid, .split, .contact-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-grid > *, .split > *, .contact-grid > *, .guide-row > * { min-width: 0; }
  .hero-grid { gap: 36px; }
  .howto-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }

  .nav-toggle { display: flex; }
  .nav {
    position: fixed; inset: 72px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: rgba(var(--glass-rgb), 0.98); backdrop-filter: blur(16px);
    padding: 14px 16px 22px; border-bottom: 1px solid var(--border);
    transform: translateY(-120%); transition: transform 0.3s ease;
    max-height: calc(100vh - 72px); overflow: auto;
  }
  .nav.open { transform: translateY(0); }
  .nav a:not(.btn) { padding: 14px 6px; border-bottom: 1px solid var(--border); font-size: 1.02rem; }
  .nav a.active::after { display: none; }
  .nav .btn { margin-top: 12px; padding: 14px; font-size: 1rem; }
}

@media (max-width: 760px) {
  body { font-size: 15px; padding-bottom: calc(74px + env(safe-area-inset-bottom)); }
  .container { padding: 0 16px; }
  .section { padding: 46px 0; }
  .section-sm { padding: 30px 0; }
  .section-head { margin-bottom: 24px; }
  h1 { font-size: clamp(1.95rem, 8.6vw, 2.5rem); letter-spacing: -0.03em; }
  h2 { font-size: clamp(1.5rem, 6.6vw, 1.95rem); }
  h3 { font-size: 1.08rem; }
  .lead { font-size: 0.98rem; line-height: 1.6; }
  .eyebrow { font-size: 0.66rem; padding: 5px 11px; letter-spacing: 0.12em; }
  .btn { white-space: normal; text-align: center; line-height: 1.2; }

  /* Header */
  .nav-inner { height: 60px; }
  .nav { inset: 60px 0 auto 0; max-height: calc(100vh - 60px); }
  .brand { font-size: 1.15rem; gap: 9px; }
  .brand-mark { width: 36px; height: 36px; }

  /* Hero: copy and CTA first, above the fold */
  .hero { padding: 20px 0 34px; }
  .hero h1 { margin: 12px 0; }
  .hero .lead { margin-bottom: 18px; }
  .hero-cta { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
  .hero-cta .btn { width: 100%; padding: 15px 10px; font-size: 1rem; }
  .invite-chip { display: flex; width: 100%; justify-content: space-between; padding: 10px 14px; gap: 8px; }
  .jump-list {
    flex-wrap: nowrap; overflow-x: auto; margin: 16px -16px 0; padding: 2px 16px 6px;
    scrollbar-width: none; -webkit-overflow-scrolling: touch; scroll-snap-type: x proximity;
  }
  .jump-list::-webkit-scrollbar { display: none; }
  .jump-list li { flex: 0 0 auto; scroll-snap-align: start; }
  .jump-list a { padding: 9px 14px; }
  .hero-poster { max-width: 290px; border-radius: 20px; }

  /* Feature strip becomes one swipeable row */
  .strip { padding: 13px 0; }
  .strip-inner { flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; gap: 16px; scrollbar-width: none; }
  .strip-inner::-webkit-scrollbar { display: none; }
  .strip-inner span { white-space: nowrap; font-size: 0.86rem; }

  /* Cards & grids */
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid { gap: 12px; }
  .card { padding: 20px; }
  .card:hover { transform: none; }
  .card .ico-box { width: 42px; height: 42px; margin-bottom: 12px; }

  /* Step-by-step guide */
  .howto-panel { padding: 18px; border-radius: 18px; }
  .howto-panel h3 { font-size: 1.04rem; margin-bottom: 14px; gap: 8px; }
  .steps { gap: 10px; }
  .steps-2 { grid-template-columns: 1fr; }
  .step { gap: 12px; padding: 14px; border-radius: 14px; }
  .step-num { width: 34px; height: 34px; border-radius: 10px; font-size: 0.88rem; }
  .step h4 { font-size: 0.97rem; }
  .step p { font-size: 0.9rem; }
  .olist li { font-size: 0.92rem; }
  .guide-row, .guide-row.reverse { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .guide-row.reverse .shot { order: 0; }
  .guide-row + .guide-row { margin-top: 34px; }
  .shot img { max-width: 240px; border-radius: 20px; }
  .shot figcaption { margin-top: 10px; }

  /* Referral, FAQ, CTA, notices */
  .panel-glow { padding: 18px; border-radius: 18px; }
  .ref-level { padding: 13px 14px; gap: 12px; }
  .ref-level b { font-size: 1.1rem; }
  .faq { gap: 10px; }
  .faq-q { padding: 16px 18px; font-size: 0.96rem; }
  .faq-a { padding: 0 18px 18px; }
  .cta-banner { padding: 32px 18px; border-radius: 20px; }
  .notice { padding: 18px; gap: 12px; }
  .stats { gap: 10px; }
  .stat { padding: 18px 10px; }
  .field input, .field textarea { font-size: 16px; } /* 16px stops iOS zoom-on-focus */

  /* Footer */
  .site-footer { margin-top: 10px; }
  .footer-grid { padding: 40px 16px 24px; }
  .footer-bottom { padding: 20px 16px 26px; }
  .footer-copy { flex-direction: column; }

  /* Sticky CTA bar: slides up once the hero buttons scroll away */
  .mcta {
    display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    background: rgba(var(--glass-rgb), 0.94); backdrop-filter: blur(14px);
    border-top: 1px solid var(--border-strong);
    box-shadow: 0 -10px 30px -12px rgba(var(--shade-rgb), 0.6);
    transform: translateY(110%); transition: transform 0.3s ease;
  }
  .mcta.show { transform: translateY(0); }
  /* Get out of the way of the on-screen keyboard while typing */
  body:has(input:focus, textarea:focus) .mcta { transform: translateY(110%); }
  .mcta .btn { width: 100%; padding: 13px 10px; font-size: 0.98rem; }
}

@media (max-width: 380px) {
  .hero-cta .btn, .mcta .btn { font-size: 0.92rem; }
  .invite-chip { font-size: 0.84rem; }
  .invite-chip b { font-size: 0.95rem; letter-spacing: 0.03em; }
}